Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r070-smll-174854076500217.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is DES-PT-50a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r070-smll-174854076500217
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 500K
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 97K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748658174262

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DES-PT-50a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-31 02:22:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-31 02:22:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 02:22:57] [INFO ] Load time of PNML (sax parser for PT used): 208 ms
[2025-05-31 02:22:57] [INFO ] Transformed 314 places.
[2025-05-31 02:22:57] [INFO ] Transformed 271 transitions.
[2025-05-31 02:22:57] [INFO ] Found NUPN structural information;
[2025-05-31 02:22:57] [INFO ] Parsed PT model containing 314 places and 271 transitions and 1306 arcs in 429 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 314/314 places, 271/271 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 314 transition count 257
Applied a total of 14 rules in 71 ms. Remains 314 /314 variables (removed 0) and now considering 257/271 (removed 14) transitions.
// Phase 1: matrix 257 rows 314 cols
[2025-05-31 02:22:57] [INFO ] Computed 59 invariants in 56 ms
[2025-05-31 02:22:58] [INFO ] Implicit Places using invariants in 1100 ms returned [211]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1157 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 313/314 places, 257/271 transitions.
Applied a total of 0 rules in 19 ms. Remains 313 /313 variables (removed 0) and now considering 257/257 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1281 ms. Remains : 313/314 places, 257/271 transitions.
Discarding 9 transitions out of 257. Remains 248
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (891 resets) in 3744 ms. (10 steps per ms) remains 183/247 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 15 ms. (25 steps per ms) remains 183/183 properties
BEST_FIRST walk for 402 steps (8 resets) in 11 ms. (33 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 22 ms. (17 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 23 ms. (16 steps per ms) remains 183/183 properties
BEST_FIRST walk for 401 steps (8 resets) in 14 ms. (26 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 22 ms. (17 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 19 ms. (20 steps per ms) remains 183/183 properties
BEST_FIRST walk for 402 steps (8 resets) in 14 ms. (26 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 21 ms. (18 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 22 ms. (17 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 20 ms. (19 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 183/183 properties
BEST_FIRST walk for 402 steps (8 resets) in 19 ms. (20 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 24 ms. (16 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 23 ms. (16 steps per ms) remains 183/183 properties
BEST_FIRST walk for 402 steps (8 resets) in 21 ms. (18 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 21 ms. (18 steps per ms) remains 183/183 properties
BEST_FIRST walk for 402 steps (8 resets) in 21 ms. (18 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 19 ms. (20 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 20 ms. (19 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 21 ms. (18 steps per ms) remains 183/183 properties
BEST_FIRST walk for 402 steps (8 resets) in 22 ms. (17 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 20 ms. (19 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 183/183 properties
BEST_FIRST walk for 402 steps (8 resets) in 12 ms. (30 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 183/183 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 28 ms. (13 steps per ms) remains 183/183 properties
BEST_FIRST walk for 402 steps (8 resets) in 16 ms. (23 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 183/183 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 183/183 properties
// Phase 1: matrix 257 rows 313 cols
[2025-05-31 02:23:00] [INFO ] Computed 58 invariants in 17 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/188 variables, 188/188 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/188 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (OVERLAPS) 10/198 variables, 6/194 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/198 variables, 10/204 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 198/570 variables, and 204 constraints, problems are : Problem set: 0 solved, 183 unsolved in 5029 ms.
Refiners :[Domain max(s): 198/313 constraints, Positive P Invariants (semi-flows): 6/33 constraints, Generalized P Invariants (flows): 0/25 constraints, State Equation: 0/313 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 183 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/188 variables, 188/188 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/188 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (OVERLAPS) 10/198 variables, 6/194 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/198 variables, 10/204 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (OVERLAPS) 64/262 variables, 27/231 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 64/295 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 183 unsolved
SMT process timed out in 10535ms, After SMT, problems are : Problem set: 0 solved, 183 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 188 out of 313 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 313/313 places, 257/257 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 313 transition count 255
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 312 transition count 254
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 312 transition count 254
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 8 place count 312 transition count 254
Applied a total of 8 rules in 110 ms. Remains 312 /313 variables (removed 1) and now considering 254/257 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 111 ms. Remains : 312/313 places, 254/257 transitions.
RANDOM walk for 4000000 steps (53930 resets) in 59753 ms. (66 steps per ms) remains 173/183 properties
BEST_FIRST walk for 40004 steps (90 resets) in 304 ms. (131 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (95 resets) in 189 ms. (210 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (82 resets) in 187 ms. (212 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (91 resets) in 240 ms. (165 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (89 resets) in 203 ms. (196 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (85 resets) in 211 ms. (188 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (96 resets) in 200 ms. (199 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (96 resets) in 133 ms. (298 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (88 resets) in 136 ms. (291 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (97 resets) in 129 ms. (307 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (87 resets) in 128 ms. (310 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (99 resets) in 134 ms. (296 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (86 resets) in 131 ms. (303 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (85 resets) in 134 ms. (296 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (87 resets) in 129 ms. (307 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (88 resets) in 128 ms. (310 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (95 resets) in 131 ms. (303 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (92 resets) in 133 ms. (298 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (89 resets) in 171 ms. (232 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (84 resets) in 127 ms. (312 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (86 resets) in 126 ms. (314 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (93 resets) in 132 ms. (300 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (94 resets) in 129 ms. (307 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (91 resets) in 132 ms. (300 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (91 resets) in 128 ms. (310 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (87 resets) in 125 ms. (317 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (85 resets) in 179 ms. (222 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (83 resets) in 137 ms. (289 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (90 resets) in 132 ms. (300 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (86 resets) in 129 ms. (307 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (93 resets) in 127 ms. (312 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (85 resets) in 130 ms. (305 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (80 resets) in 137 ms. (289 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (90 resets) in 133 ms. (298 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (83 resets) in 129 ms. (307 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (92 resets) in 130 ms. (305 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (82 resets) in 139 ms. (285 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (84 resets) in 182 ms. (218 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (82 resets) in 184 ms. (216 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (90 resets) in 181 ms. (219 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (85 resets) in 182 ms. (218 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (91 resets) in 189 ms. (210 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (87 resets) in 184 ms. (216 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (82 resets) in 187 ms. (212 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (88 resets) in 181 ms. (219 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (71 resets) in 189 ms. (210 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (75 resets) in 161 ms. (246 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (63 resets) in 129 ms. (307 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (62 resets) in 132 ms. (300 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (65 resets) in 130 ms. (305 steps per ms) remains 173/173 properties
Interrupted probabilistic random walk after 7839414 steps, run timeout after 51001 ms. (steps per millisecond=153 ) properties seen :0 out of 173
Probabilistic random walk after 7839414 steps, saw 1003544 distinct states, run finished after 51010 ms. (steps per millisecond=153 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:24:19] [INFO ] Computed 60 invariants in 9 ms
[2025-05-31 02:24:19] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (OVERLAPS) 10/188 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/188 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (OVERLAPS) 72/260 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/260 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (OVERLAPS) 42/302 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/302 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 7 (OVERLAPS) 254/556 variables, 302/362 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/556 variables, 2/364 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2025-05-31 02:24:28] [INFO ] Deduced a trap composed of 12 places in 170 ms of which 28 ms to minimize.
[2025-05-31 02:24:28] [INFO ] Deduced a trap composed of 11 places in 128 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/556 variables, 2/366 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/556 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 11 (OVERLAPS) 10/566 variables, 10/376 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2025-05-31 02:24:39] [INFO ] Deduced a trap composed of 7 places in 89 ms of which 3 ms to minimize.
[2025-05-31 02:24:40] [INFO ] Deduced a trap composed of 8 places in 152 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 2/378 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2025-05-31 02:24:47] [INFO ] Deduced a trap composed of 18 places in 164 ms of which 5 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2025-05-31 02:24:53] [INFO ] Deduced a trap composed of 6 places in 126 ms of which 3 ms to minimize.
[2025-05-31 02:24:54] [INFO ] Deduced a trap composed of 18 places in 146 ms of which 4 ms to minimize.
[2025-05-31 02:24:54] [INFO ] Deduced a trap composed of 18 places in 136 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 3/382 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2025-05-31 02:25:00] [INFO ] Deduced a trap composed of 8 places in 97 ms of which 3 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 1/383 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 566/566 variables, and 383 constraints, problems are : Problem set: 0 solved, 173 unsolved in 45015 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 173 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (OVERLAPS) 10/188 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/188 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (OVERLAPS) 72/260 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/260 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/260 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (OVERLAPS) 42/302 variables, 24/62 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 7/69 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/302 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 9 (OVERLAPS) 254/556 variables, 302/371 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/556 variables, 2/373 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/556 variables, 45/418 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2025-05-31 02:25:40] [INFO ] Deduced a trap composed of 16 places in 175 ms of which 5 ms to minimize.
[2025-05-31 02:25:40] [INFO ] Deduced a trap composed of 18 places in 136 ms of which 3 ms to minimize.
[2025-05-31 02:25:41] [INFO ] Deduced a trap composed of 9 places in 113 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 556/566 variables, and 421 constraints, problems are : Problem set: 0 solved, 173 unsolved in 45015 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 302/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 45/173 constraints, Known Traps: 12/12 constraints]
After SMT, in 90295ms problems are : Problem set: 0 solved, 173 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 178 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 32 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 312/312 places, 254/254 transitions.
RANDOM walk for 4000000 steps (53930 resets) in 54777 ms. (73 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (92 resets) in 127 ms. (312 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (91 resets) in 123 ms. (322 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (91 resets) in 125 ms. (317 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (94 resets) in 127 ms. (312 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (94 resets) in 126 ms. (314 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (93 resets) in 156 ms. (254 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (84 resets) in 171 ms. (232 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (92 resets) in 173 ms. (229 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (95 resets) in 173 ms. (229 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (83 resets) in 182 ms. (218 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (84 resets) in 211 ms. (188 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (97 resets) in 173 ms. (229 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (80 resets) in 169 ms. (235 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (84 resets) in 216 ms. (184 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (95 resets) in 217 ms. (183 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (95 resets) in 283 ms. (140 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (88 resets) in 286 ms. (139 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (93 resets) in 212 ms. (187 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (86 resets) in 282 ms. (141 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (84 resets) in 204 ms. (195 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (92 resets) in 222 ms. (179 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (92 resets) in 185 ms. (215 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (89 resets) in 274 ms. (145 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (88 resets) in 252 ms. (158 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (97 resets) in 232 ms. (171 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (91 resets) in 271 ms. (147 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (86 resets) in 185 ms. (215 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (86 resets) in 254 ms. (156 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (87 resets) in 266 ms. (149 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (91 resets) in 250 ms. (159 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (88 resets) in 167 ms. (238 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (98 resets) in 264 ms. (150 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (84 resets) in 181 ms. (219 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (85 resets) in 224 ms. (177 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (88 resets) in 174 ms. (228 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (85 resets) in 243 ms. (163 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (89 resets) in 197 ms. (202 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (91 resets) in 190 ms. (209 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (94 resets) in 172 ms. (231 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (92 resets) in 239 ms. (166 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (80 resets) in 246 ms. (161 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (93 resets) in 205 ms. (194 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (97 resets) in 231 ms. (172 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (99 resets) in 178 ms. (223 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (83 resets) in 173 ms. (229 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (67 resets) in 179 ms. (222 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (68 resets) in 211 ms. (188 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (78 resets) in 261 ms. (152 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (69 resets) in 212 ms. (187 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (73 resets) in 222 ms. (179 steps per ms) remains 173/173 properties
Interrupted probabilistic random walk after 6133112 steps, run timeout after 51001 ms. (steps per millisecond=120 ) properties seen :0 out of 173
Probabilistic random walk after 6133112 steps, saw 783430 distinct states, run finished after 51004 ms. (steps per millisecond=120 ) properties seen :0
[2025-05-31 02:26:58] [INFO ] Invariant cache hit.
[2025-05-31 02:26:58] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (OVERLAPS) 10/188 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/188 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (OVERLAPS) 72/260 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/260 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (OVERLAPS) 42/302 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/302 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 7 (OVERLAPS) 254/556 variables, 302/362 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/556 variables, 2/364 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2025-05-31 02:27:09] [INFO ] Deduced a trap composed of 17 places in 111 ms of which 3 ms to minimize.
[2025-05-31 02:27:09] [INFO ] Deduced a trap composed of 18 places in 103 ms of which 2 ms to minimize.
[2025-05-31 02:27:09] [INFO ] Deduced a trap composed of 16 places in 106 ms of which 2 ms to minimize.
[2025-05-31 02:27:09] [INFO ] Deduced a trap composed of 17 places in 93 ms of which 2 ms to minimize.
[2025-05-31 02:27:09] [INFO ] Deduced a trap composed of 11 places in 95 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/556 variables, 5/369 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2025-05-31 02:27:12] [INFO ] Deduced a trap composed of 19 places in 77 ms of which 2 ms to minimize.
[2025-05-31 02:27:14] [INFO ] Deduced a trap composed of 13 places in 111 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/556 variables, 2/371 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/556 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 12 (OVERLAPS) 10/566 variables, 10/381 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2025-05-31 02:27:22] [INFO ] Deduced a trap composed of 10 places in 78 ms of which 2 ms to minimize.
[2025-05-31 02:27:24] [INFO ] Deduced a trap composed of 6 places in 73 ms of which 2 ms to minimize.
[2025-05-31 02:27:24] [INFO ] Deduced a trap composed of 7 places in 103 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 3/384 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2025-05-31 02:27:29] [INFO ] Deduced a trap composed of 12 places in 75 ms of which 1 ms to minimize.
[2025-05-31 02:27:30] [INFO ] Deduced a trap composed of 8 places in 88 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 2/386 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 0/386 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2025-05-31 02:27:42] [INFO ] Deduced a trap composed of 11 places in 111 ms of which 3 ms to minimize.
At refinement iteration 16 (OVERLAPS) 0/566 variables, 1/387 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/566 variables, 0/387 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 18 (OVERLAPS) 0/566 variables, 0/387 constraints. Problems are: Problem set: 0 solved, 173 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 387 constraints, problems are : Problem set: 0 solved, 173 unsolved in 62684 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 13/13 constraints]
Escalating to Integer solving :Problem set: 0 solved, 173 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (OVERLAPS) 10/188 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/188 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (OVERLAPS) 72/260 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/260 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/260 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (OVERLAPS) 42/302 variables, 24/63 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 9/72 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/302 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 9 (OVERLAPS) 254/556 variables, 302/374 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/556 variables, 2/376 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/556 variables, 45/421 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2025-05-31 02:28:27] [INFO ] Deduced a trap composed of 8 places in 143 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/556 variables, 1/422 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2025-05-31 02:29:13] [INFO ] Deduced a trap composed of 20 places in 180 ms of which 4 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/556 variables, 1/423 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 556/566 variables, and 423 constraints, problems are : Problem set: 0 solved, 173 unsolved in 75017 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 302/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 45/173 constraints, Known Traps: 14/15 constraints]
After SMT, in 137895ms problems are : Problem set: 0 solved, 173 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 178 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 23 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 312/312 places, 254/254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 19 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
[2025-05-31 02:29:16] [INFO ] Invariant cache hit.
[2025-05-31 02:29:16] [INFO ] Implicit Places using invariants in 284 ms returned []
[2025-05-31 02:29:16] [INFO ] Invariant cache hit.
[2025-05-31 02:29:17] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 02:29:17] [INFO ] Implicit Places using invariants and state equation in 623 ms returned []
Implicit Place search using SMT with State Equation took 909 ms to find 0 implicit places.
[2025-05-31 02:29:17] [INFO ] Redundant transitions in 19 ms returned []
Running 253 sub problems to find dead transitions.
[2025-05-31 02:29:17] [INFO ] Invariant cache hit.
[2025-05-31 02:29:17] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/566 variables, 312/372 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 2/374 constraints. Problems are: Problem set: 0 solved, 253 unsolved
[2025-05-31 02:29:30] [INFO ] Deduced a trap composed of 17 places in 88 ms of which 3 ms to minimize.
[2025-05-31 02:29:30] [INFO ] Deduced a trap composed of 7 places in 138 ms of which 3 ms to minimize.
[2025-05-31 02:29:31] [INFO ] Deduced a trap composed of 9 places in 143 ms of which 3 ms to minimize.
[2025-05-31 02:29:31] [INFO ] Deduced a trap composed of 13 places in 140 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/566 variables, 4/378 constraints. Problems are: Problem set: 0 solved, 253 unsolved
[2025-05-31 02:29:37] [INFO ] Deduced a trap composed of 13 places in 136 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 5/65 constraints. Problems are: Problem set: 0 solved, 253 unsolved
[2025-05-31 02:29:53] [INFO ] Deduced a trap composed of 11 places in 59 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 253 unsolved
[2025-05-31 02:29:56] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 2 ms to minimize.
[2025-05-31 02:29:57] [INFO ] Deduced a trap composed of 6 places in 31 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/312 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (OVERLAPS) 254/566 variables, 312/380 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 2/382 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/566 variables, 253/635 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 635 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 8/8 constraints]
After SMT, in 60404ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60411ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61371 ms. Remains : 312/312 places, 254/254 transitions.
RANDOM walk for 400000 steps (5405 resets) in 15162 ms. (26 steps per ms) remains 172/178 properties
Running SMT prover for 172 properties.
[2025-05-31 02:30:22] [INFO ] Invariant cache hit.
[2025-05-31 02:30:22] [INFO ] [Real]Absence check using 36 positive place invariants in 14 ms returned sat
[2025-05-31 02:30:22] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 44 ms returned sat
[2025-05-31 02:30:23] [INFO ] After 765ms SMT Verify possible using state equation in real domain returned unsat :0 sat :172
[2025-05-31 02:30:23] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 02:30:23] [INFO ] After 283ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :172
TRAPS : Iteration 0
[2025-05-31 02:30:23] [INFO ] Deduced a trap composed of 13 places in 61 ms of which 2 ms to minimize.
TRAPS : Iteration 1
[2025-05-31 02:30:33] [INFO ] After 9937ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :84 real:88
[2025-05-31 02:30:33] [INFO ] After 11306ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :84 real:88
[2025-05-31 02:30:34] [INFO ] [Nat]Absence check using 36 positive place invariants in 11 ms returned sat
[2025-05-31 02:30:34] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 30 ms returned sat
[2025-05-31 02:30:34] [INFO ] After 499ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :172
[2025-05-31 02:30:35] [INFO ] After 497ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :172
TRAPS : Iteration 0
[2025-05-31 02:30:35] [INFO ] Deduced a trap composed of 13 places in 84 ms of which 2 ms to minimize.
[2025-05-31 02:30:35] [INFO ] Deduced a trap composed of 9 places in 69 ms of which 2 ms to minimize.
[2025-05-31 02:30:35] [INFO ] Deduced a trap composed of 7 places in 46 ms of which 1 ms to minimize.
[2025-05-31 02:30:35] [INFO ] Deduced a trap composed of 7 places in 68 ms of which 2 ms to minimize.
[2025-05-31 02:30:35] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 352 ms
[2025-05-31 02:30:38] [INFO ] Deduced a trap composed of 17 places in 139 ms of which 4 ms to minimize.
[2025-05-31 02:30:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 184 ms
[2025-05-31 02:30:40] [INFO ] Deduced a trap composed of 20 places in 107 ms of which 2 ms to minimize.
[2025-05-31 02:30:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 151 ms
TRAPS : Iteration 1
[2025-05-31 02:30:46] [INFO ] Deduced a trap composed of 15 places in 129 ms of which 3 ms to minimize.
[2025-05-31 02:30:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 178 ms
TRAPS : Iteration 2
[2025-05-31 02:30:55] [INFO ] After 20525ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :172
[2025-05-31 02:30:55] [INFO ] After 22016ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :172
RANDOM walk for 3804564 steps (51342 resets) in 118386 ms. (32 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (93 resets) in 323 ms. (123 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (83 resets) in 260 ms. (153 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (93 resets) in 289 ms. (137 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (88 resets) in 398 ms. (100 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (99 resets) in 371 ms. (107 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (94 resets) in 412 ms. (96 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (88 resets) in 402 ms. (99 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (97 resets) in 342 ms. (116 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (97 resets) in 244 ms. (163 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (87 resets) in 425 ms. (93 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (85 resets) in 320 ms. (124 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (91 resets) in 302 ms. (132 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (80 resets) in 308 ms. (129 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (88 resets) in 334 ms. (119 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (84 resets) in 347 ms. (114 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (93 resets) in 310 ms. (128 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (96 resets) in 297 ms. (134 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (96 resets) in 303 ms. (131 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (96 resets) in 279 ms. (142 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (90 resets) in 360 ms. (110 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (89 resets) in 348 ms. (114 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (84 resets) in 323 ms. (123 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (88 resets) in 347 ms. (114 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (93 resets) in 347 ms. (114 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (92 resets) in 370 ms. (107 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (88 resets) in 295 ms. (135 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (90 resets) in 246 ms. (161 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (90 resets) in 207 ms. (192 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (94 resets) in 292 ms. (136 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (85 resets) in 323 ms. (123 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (80 resets) in 252 ms. (158 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (96 resets) in 303 ms. (131 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (96 resets) in 212 ms. (187 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (87 resets) in 373 ms. (106 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (98 resets) in 369 ms. (108 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (87 resets) in 319 ms. (125 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (89 resets) in 275 ms. (144 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (79 resets) in 274 ms. (145 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (87 resets) in 300 ms. (132 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (84 resets) in 329 ms. (121 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (91 resets) in 266 ms. (149 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (85 resets) in 257 ms. (155 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (91 resets) in 319 ms. (125 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (86 resets) in 343 ms. (116 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (96 resets) in 358 ms. (111 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (68 resets) in 300 ms. (132 steps per ms) remains 172/173 properties
BEST_FIRST walk for 40003 steps (68 resets) in 324 ms. (123 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (63 resets) in 361 ms. (110 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (64 resets) in 345 ms. (115 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40002 steps (64 resets) in 300 ms. (132 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (62 resets) in 278 ms. (143 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (62 resets) in 248 ms. (160 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (66 resets) in 258 ms. (154 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (66 resets) in 322 ms. (123 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (69 resets) in 288 ms. (138 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40001 steps (68 resets) in 365 ms. (109 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (67 resets) in 407 ms. (98 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (66 resets) in 372 ms. (107 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40002 steps (73 resets) in 378 ms. (105 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (66 resets) in 293 ms. (136 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (65 resets) in 279 ms. (142 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40002 steps (68 resets) in 373 ms. (106 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (72 resets) in 314 ms. (126 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (72 resets) in 281 ms. (141 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (70 resets) in 255 ms. (156 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (66 resets) in 297 ms. (134 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (72 resets) in 349 ms. (114 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (75 resets) in 366 ms. (109 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (66 resets) in 359 ms. (111 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (69 resets) in 292 ms. (136 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (71 resets) in 341 ms. (116 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (63 resets) in 274 ms. (145 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (62 resets) in 374 ms. (106 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (69 resets) in 311 ms. (128 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (65 resets) in 291 ms. (137 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (67 resets) in 332 ms. (120 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (67 resets) in 358 ms. (111 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (68 resets) in 351 ms. (113 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40001 steps (68 resets) in 306 ms. (130 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40002 steps (68 resets) in 293 ms. (136 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (64 resets) in 281 ms. (141 steps per ms) remains 171/172 properties
BEST_FIRST walk for 40003 steps (63 resets) in 369 ms. (108 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (64 resets) in 220 ms. (181 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (64 resets) in 279 ms. (142 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (70 resets) in 243 ms. (163 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (70 resets) in 336 ms. (118 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (72 resets) in 356 ms. (112 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (62 resets) in 221 ms. (180 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (287 resets) in 482 ms. (82 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40001 steps (292 resets) in 445 ms. (89 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (291 resets) in 493 ms. (80 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (290 resets) in 470 ms. (84 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (286 resets) in 508 ms. (78 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (288 resets) in 441 ms. (90 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (288 resets) in 431 ms. (92 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (288 resets) in 487 ms. (81 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (290 resets) in 569 ms. (70 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (291 resets) in 425 ms. (93 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (291 resets) in 347 ms. (114 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (290 resets) in 411 ms. (97 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (289 resets) in 426 ms. (93 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (289 resets) in 397 ms. (100 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (286 resets) in 397 ms. (100 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (288 resets) in 390 ms. (102 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (288 resets) in 413 ms. (96 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (290 resets) in 418 ms. (95 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (289 resets) in 398 ms. (100 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (293 resets) in 421 ms. (94 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (287 resets) in 434 ms. (91 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (291 resets) in 363 ms. (109 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40001 steps (286 resets) in 417 ms. (95 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (291 resets) in 433 ms. (92 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (289 resets) in 485 ms. (82 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (289 resets) in 436 ms. (91 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (291 resets) in 377 ms. (105 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (289 resets) in 418 ms. (95 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (288 resets) in 474 ms. (84 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40001 steps (289 resets) in 482 ms. (82 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (289 resets) in 495 ms. (80 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (287 resets) in 450 ms. (88 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (289 resets) in 427 ms. (93 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (291 resets) in 521 ms. (76 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (288 resets) in 445 ms. (89 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (288 resets) in 405 ms. (98 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (290 resets) in 377 ms. (105 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (288 resets) in 441 ms. (90 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (290 resets) in 351 ms. (113 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (292 resets) in 471 ms. (84 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (288 resets) in 413 ms. (96 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (285 resets) in 384 ms. (103 steps per ms) remains 171/171 properties
Probabilistic random walk after 10000001 steps, saw 1268363 distinct states, run finished after 92665 ms. (steps per millisecond=107 ) properties seen :0
[2025-05-31 02:33:13] [INFO ] Invariant cache hit.
[2025-05-31 02:33:13] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 1 (OVERLAPS) 10/186 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/186 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 3 (OVERLAPS) 72/258 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/258 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 5 (OVERLAPS) 44/302 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 171 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/302 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 7 (OVERLAPS) 254/556 variables, 302/362 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/556 variables, 2/364 constraints. Problems are: Problem set: 0 solved, 171 unsolved
[2025-05-31 02:33:22] [INFO ] Deduced a trap composed of 12 places in 113 ms of which 2 ms to minimize.
[2025-05-31 02:33:24] [INFO ] Deduced a trap composed of 11 places in 189 ms of which 4 ms to minimize.
[2025-05-31 02:33:24] [INFO ] Deduced a trap composed of 12 places in 173 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/556 variables, 3/367 constraints. Problems are: Problem set: 0 solved, 171 unsolved
[2025-05-31 02:33:28] [INFO ] Deduced a trap composed of 17 places in 171 ms of which 4 ms to minimize.
[2025-05-31 02:33:28] [INFO ] Deduced a trap composed of 17 places in 167 ms of which 4 ms to minimize.
[2025-05-31 02:33:29] [INFO ] Deduced a trap composed of 20 places in 143 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/556 variables, 3/370 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/556 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 12 (OVERLAPS) 10/566 variables, 10/380 constraints. Problems are: Problem set: 0 solved, 171 unsolved
[2025-05-31 02:33:44] [INFO ] Deduced a trap composed of 6 places in 101 ms of which 3 ms to minimize.
[2025-05-31 02:33:44] [INFO ] Deduced a trap composed of 7 places in 118 ms of which 4 ms to minimize.
[2025-05-31 02:33:46] [INFO ] Deduced a trap composed of 22 places in 128 ms of which 4 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 3/383 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 171 unsolved
[2025-05-31 02:33:56] [INFO ] Deduced a trap composed of 9 places in 142 ms of which 3 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/566 variables, 1/384 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/384 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 17 (OVERLAPS) 0/566 variables, 0/384 constraints. Problems are: Problem set: 0 solved, 171 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 384 constraints, problems are : Problem set: 0 solved, 171 unsolved in 59762 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 171/171 constraints, Known Traps: 10/10 constraints]
Escalating to Integer solving :Problem set: 0 solved, 171 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 1 (OVERLAPS) 10/186 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/186 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 3 (OVERLAPS) 72/258 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/258 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/258 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 6 (OVERLAPS) 44/302 variables, 24/62 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 8/70 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/302 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 9 (OVERLAPS) 254/556 variables, 302/372 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/556 variables, 2/374 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/556 variables, 44/418 constraints. Problems are: Problem set: 0 solved, 171 unsolved
[2025-05-31 02:34:43] [INFO ] Deduced a trap composed of 8 places in 84 ms of which 6 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/556 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 171 unsolved
[2025-05-31 02:35:21] [INFO ] Deduced a trap composed of 9 places in 67 ms of which 2 ms to minimize.
[2025-05-31 02:35:32] [INFO ] Deduced a trap composed of 18 places in 74 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/556 variables, 2/421 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 556/566 variables, and 421 constraints, problems are : Problem set: 0 solved, 171 unsolved in 90015 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 302/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 44/171 constraints, Known Traps: 13/13 constraints]
After SMT, in 149924ms problems are : Problem set: 0 solved, 171 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 176 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 13 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 312/312 places, 254/254 transitions.
RANDOM walk for 3930828 steps (52712 resets) in 111626 ms. (35 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (84 resets) in 295 ms. (135 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (95 resets) in 323 ms. (123 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (87 resets) in 366 ms. (109 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (91 resets) in 292 ms. (136 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40001 steps (83 resets) in 225 ms. (176 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (83 resets) in 203 ms. (196 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (89 resets) in 377 ms. (105 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (88 resets) in 389 ms. (102 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (90 resets) in 487 ms. (81 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (97 resets) in 420 ms. (95 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (90 resets) in 460 ms. (86 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (90 resets) in 305 ms. (130 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (89 resets) in 303 ms. (131 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (93 resets) in 329 ms. (121 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (90 resets) in 285 ms. (139 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (97 resets) in 301 ms. (132 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (90 resets) in 462 ms. (86 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (78 resets) in 442 ms. (90 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (79 resets) in 462 ms. (86 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (96 resets) in 463 ms. (86 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (86 resets) in 422 ms. (94 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (89 resets) in 391 ms. (102 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40001 steps (86 resets) in 323 ms. (123 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (98 resets) in 226 ms. (176 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (94 resets) in 400 ms. (99 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (88 resets) in 295 ms. (135 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (93 resets) in 336 ms. (118 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (102 resets) in 346 ms. (115 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (92 resets) in 412 ms. (96 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (95 resets) in 390 ms. (102 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (90 resets) in 415 ms. (96 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (101 resets) in 322 ms. (123 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (95 resets) in 245 ms. (162 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (90 resets) in 308 ms. (129 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (92 resets) in 335 ms. (119 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (94 resets) in 286 ms. (139 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (86 resets) in 376 ms. (106 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (96 resets) in 444 ms. (89 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (88 resets) in 470 ms. (84 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (96 resets) in 379 ms. (105 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (87 resets) in 373 ms. (106 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (96 resets) in 305 ms. (130 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (85 resets) in 343 ms. (116 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (75 resets) in 289 ms. (137 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (68 resets) in 254 ms. (156 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (63 resets) in 365 ms. (109 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40004 steps (67 resets) in 454 ms. (87 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40002 steps (69 resets) in 385 ms. (103 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (64 resets) in 488 ms. (81 steps per ms) remains 171/171 properties
BEST_FIRST walk for 40003 steps (66 resets) in 470 ms. (84 steps per ms) remains 171/171 properties
Probabilistic random walk after 10000001 steps, saw 1268363 distinct states, run finished after 97250 ms. (steps per millisecond=102 ) properties seen :0
[2025-05-31 02:37:56] [INFO ] Invariant cache hit.
[2025-05-31 02:37:56] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 1 (OVERLAPS) 10/186 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/186 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 3 (OVERLAPS) 72/258 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/258 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 5 (OVERLAPS) 44/302 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 171 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/302 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 7 (OVERLAPS) 254/556 variables, 302/362 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/556 variables, 2/364 constraints. Problems are: Problem set: 0 solved, 171 unsolved
[2025-05-31 02:38:10] [INFO ] Deduced a trap composed of 13 places in 133 ms of which 3 ms to minimize.
[2025-05-31 02:38:10] [INFO ] Deduced a trap composed of 12 places in 125 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/556 variables, 2/366 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/556 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 11 (OVERLAPS) 10/566 variables, 10/376 constraints. Problems are: Problem set: 0 solved, 171 unsolved
[2025-05-31 02:38:24] [INFO ] Deduced a trap composed of 9 places in 102 ms of which 3 ms to minimize.
[2025-05-31 02:38:24] [INFO ] Deduced a trap composed of 7 places in 69 ms of which 3 ms to minimize.
[2025-05-31 02:38:25] [INFO ] Deduced a trap composed of 12 places in 84 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 3/379 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 171 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 171 unsolved in 46059 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 171/171 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 171 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 1 (OVERLAPS) 10/186 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/186 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 3 (OVERLAPS) 72/258 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/258 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 5 (OVERLAPS) 44/302 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/302 variables, 5/65 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 8 (OVERLAPS) 254/556 variables, 302/367 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/556 variables, 2/369 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/556 variables, 44/413 constraints. Problems are: Problem set: 0 solved, 171 unsolved
[2025-05-31 02:39:10] [INFO ] Deduced a trap composed of 10 places in 218 ms of which 4 ms to minimize.
[2025-05-31 02:39:15] [INFO ] Deduced a trap composed of 9 places in 62 ms of which 2 ms to minimize.
[2025-05-31 02:39:20] [INFO ] Deduced a trap composed of 21 places in 106 ms of which 3 ms to minimize.
[2025-05-31 02:39:20] [INFO ] Deduced a trap composed of 19 places in 101 ms of which 3 ms to minimize.
[2025-05-31 02:39:21] [INFO ] Deduced a trap composed of 22 places in 118 ms of which 3 ms to minimize.
[2025-05-31 02:39:21] [INFO ] Deduced a trap composed of 16 places in 165 ms of which 3 ms to minimize.
[2025-05-31 02:39:21] [INFO ] Deduced a trap composed of 18 places in 173 ms of which 4 ms to minimize.
[2025-05-31 02:39:21] [INFO ] Deduced a trap composed of 18 places in 159 ms of which 4 ms to minimize.
[2025-05-31 02:39:21] [INFO ] Deduced a trap composed of 17 places in 136 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/556 variables, 9/422 constraints. Problems are: Problem set: 0 solved, 171 unsolved
[2025-05-31 02:39:50] [INFO ] Deduced a trap composed of 9 places in 74 ms of which 2 ms to minimize.
[2025-05-31 02:39:50] [INFO ] Deduced a trap composed of 16 places in 62 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/556 variables, 2/424 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 556/566 variables, and 424 constraints, problems are : Problem set: 0 solved, 171 unsolved in 105012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 302/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 44/171 constraints, Known Traps: 16/16 constraints]
After SMT, in 151229ms problems are : Problem set: 0 solved, 171 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 176 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 12 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 312/312 places, 254/254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 11 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
[2025-05-31 02:40:28] [INFO ] Invariant cache hit.
[2025-05-31 02:40:28] [INFO ] Implicit Places using invariants in 205 ms returned []
[2025-05-31 02:40:28] [INFO ] Invariant cache hit.
[2025-05-31 02:40:28] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 02:40:28] [INFO ] Implicit Places using invariants and state equation in 520 ms returned []
Implicit Place search using SMT with State Equation took 727 ms to find 0 implicit places.
[2025-05-31 02:40:28] [INFO ] Redundant transitions in 6 ms returned []
Running 253 sub problems to find dead transitions.
[2025-05-31 02:40:28] [INFO ] Invariant cache hit.
[2025-05-31 02:40:28] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/566 variables, 312/372 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 2/374 constraints. Problems are: Problem set: 0 solved, 253 unsolved
[2025-05-31 02:40:42] [INFO ] Deduced a trap composed of 17 places in 79 ms of which 2 ms to minimize.
[2025-05-31 02:40:42] [INFO ] Deduced a trap composed of 7 places in 136 ms of which 3 ms to minimize.
[2025-05-31 02:40:42] [INFO ] Deduced a trap composed of 9 places in 129 ms of which 2 ms to minimize.
[2025-05-31 02:40:43] [INFO ] Deduced a trap composed of 13 places in 124 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/566 variables, 4/378 constraints. Problems are: Problem set: 0 solved, 253 unsolved
[2025-05-31 02:40:47] [INFO ] Deduced a trap composed of 13 places in 72 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 1.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 1.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 0.0)
(s77 0.0)
(s78 0.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
(s82 0.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 5/65 constraints. Problems are: Problem set: 0 solved, 253 unsolved
[2025-05-31 02:41:05] [INFO ] Deduced a trap composed of 11 places in 54 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 253 unsolved
[2025-05-31 02:41:08] [INFO ] Deduced a trap composed of 8 places in 45 ms of which 1 ms to minimize.
[2025-05-31 02:41:08] [INFO ] Deduced a trap composed of 6 places in 27 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/312 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (OVERLAPS) 254/566 variables, 312/380 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 2/382 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/566 variables, 253/635 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 635 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 8/8 constraints]
After SMT, in 60362ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60368ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61122 ms. Remains : 312/312 places, 254/254 transitions.
RANDOM walk for 400000 steps (5402 resets) in 6921 ms. (57 steps per ms) remains 170/176 properties
Running SMT prover for 170 properties.
[2025-05-31 02:41:31] [INFO ] Invariant cache hit.
[2025-05-31 02:41:31] [INFO ] [Real]Absence check using 36 positive place invariants in 12 ms returned sat
[2025-05-31 02:41:31] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 31 ms returned sat
[2025-05-31 02:41:32] [INFO ] After 643ms SMT Verify possible using state equation in real domain returned unsat :0 sat :170
[2025-05-31 02:41:32] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 02:41:32] [INFO ] After 435ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :170
TRAPS : Iteration 0
[2025-05-31 02:41:32] [INFO ] Deduced a trap composed of 7 places in 89 ms of which 2 ms to minimize.
[2025-05-31 02:41:34] [INFO ] Deduced a trap composed of 16 places in 148 ms of which 3 ms to minimize.
TRAPS : Iteration 1
[2025-05-31 02:41:39] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 1 ms to minimize.
[2025-05-31 02:41:39] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 1 ms to minimize.
TRAPS : Iteration 2
[2025-05-31 02:41:44] [INFO ] After 12181ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :43 real:127
[2025-05-31 02:41:44] [INFO ] After 13220ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :43 real:127
[2025-05-31 02:41:44] [INFO ] [Nat]Absence check using 36 positive place invariants in 15 ms returned sat
[2025-05-31 02:41:44] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 47 ms returned sat
[2025-05-31 02:41:46] [INFO ] After 1060ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :170
[2025-05-31 02:41:46] [INFO ] After 610ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :170
TRAPS : Iteration 0
[2025-05-31 02:41:46] [INFO ] Deduced a trap composed of 13 places in 131 ms of which 3 ms to minimize.
[2025-05-31 02:41:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 175 ms
TRAPS : Iteration 1
[2025-05-31 02:41:56] [INFO ] Deduced a trap composed of 10 places in 167 ms of which 3 ms to minimize.
[2025-05-31 02:41:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 213 ms
[2025-05-31 02:41:56] [INFO ] Deduced a trap composed of 16 places in 143 ms of which 3 ms to minimize.
[2025-05-31 02:41:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 192 ms
TRAPS : Iteration 2
[2025-05-31 02:41:59] [INFO ] Deduced a trap composed of 7 places in 119 ms of which 3 ms to minimize.
[2025-05-31 02:41:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 165 ms
[2025-05-31 02:42:04] [INFO ] Deduced a trap composed of 25 places in 109 ms of which 2 ms to minimize.
[2025-05-31 02:42:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 154 ms
TRAPS : Iteration 3
[2025-05-31 02:42:09] [INFO ] Deduced a trap composed of 10 places in 150 ms of which 3 ms to minimize.
[2025-05-31 02:42:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 197 ms
[2025-05-31 02:42:12] [INFO ] Deduced a trap composed of 8 places in 212 ms of which 4 ms to minimize.
[2025-05-31 02:42:12] [INFO ] Deduced a trap composed of 17 places in 209 ms of which 4 ms to minimize.
[2025-05-31 02:42:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 503 ms
[2025-05-31 02:42:12] [INFO ] Deduced a trap composed of 18 places in 190 ms of which 4 ms to minimize.
[2025-05-31 02:42:12] [INFO ] Deduced a trap composed of 17 places in 123 ms of which 3 ms to minimize.
[2025-05-31 02:42:12] [INFO ] Deduced a trap composed of 17 places in 93 ms of which 2 ms to minimize.
[2025-05-31 02:42:13] [INFO ] Deduced a trap composed of 15 places in 93 ms of which 3 ms to minimize.
[2025-05-31 02:42:13] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 670 ms
TRAPS : Iteration 4
[2025-05-31 02:42:20] [INFO ] Deduced a trap composed of 11 places in 68 ms of which 2 ms to minimize.
[2025-05-31 02:42:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 113 ms
TRAPS : Iteration 5
[2025-05-31 02:42:28] [INFO ] After 41927ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :170
[2025-05-31 02:42:28] [INFO ] After 44195ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :170
RANDOM walk for 40000 steps (527 resets) in 259 ms. (153 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (79 resets) in 179 ms. (222 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1124589 steps, run timeout after 3001 ms. (steps per millisecond=374 ) properties seen :0 out of 1
Probabilistic random walk after 1124589 steps, saw 157350 distinct states, run finished after 3001 ms. (steps per millisecond=374 ) properties seen :0
[2025-05-31 02:42:31] [INFO ] Invariant cache hit.
[2025-05-31 02:42:31] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 340 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:42:33] [INFO ] Deduced a trap composed of 17 places in 90 ms of which 2 ms to minimize.
[2025-05-31 02:42:33] [INFO ] Deduced a trap composed of 19 places in 78 ms of which 2 ms to minimize.
[2025-05-31 02:42:33] [INFO ] Deduced a trap composed of 18 places in 81 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 3/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1180 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1543ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 58158 steps, including 170 resets, run visited all 1 properties in 315 ms. (steps per millisecond=184 )
Parikh walk visited 1 properties in 327 ms.
RANDOM walk for 3292 steps (44 resets) in 37 ms. (86 steps per ms) remains 0/1 properties
RANDOM walk for 651 steps (8 resets) in 8 ms. (72 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (539 resets) in 336 ms. (118 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1002357 steps, run timeout after 3001 ms. (steps per millisecond=334 ) properties seen :0 out of 1
Probabilistic random walk after 1002357 steps, saw 141845 distinct states, run finished after 3001 ms. (steps per millisecond=334 ) properties seen :0
[2025-05-31 02:42:37] [INFO ] Invariant cache hit.
[2025-05-31 02:42:37] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 543 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:42:37] [INFO ] Deduced a trap composed of 8 places in 97 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:42:38] [INFO ] Deduced a trap composed of 17 places in 91 ms of which 2 ms to minimize.
[2025-05-31 02:42:38] [INFO ] Deduced a trap composed of 23 places in 103 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1198 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1746ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 828 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 48 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (527 resets) in 187 ms. (212 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (92 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1147125 steps, run timeout after 3001 ms. (steps per millisecond=382 ) properties seen :0 out of 1
Probabilistic random walk after 1147125 steps, saw 160759 distinct states, run finished after 3001 ms. (steps per millisecond=382 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:42:42] [INFO ] Computed 60 invariants in 12 ms
[2025-05-31 02:42:42] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 656 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/462 variables, 8/316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 3/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 52/515 variables, 3/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/515 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 49/564 variables, 49/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/564 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/564 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 507 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1186ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2445 steps, including 1 resets, run visited all 1 properties in 12 ms. (steps per millisecond=203 )
Parikh walk visited 1 properties in 12 ms.
RANDOM walk for 40000 steps (543 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (92 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1160046 steps, run timeout after 3001 ms. (steps per millisecond=386 ) properties seen :0 out of 1
Probabilistic random walk after 1160046 steps, saw 162648 distinct states, run finished after 3001 ms. (steps per millisecond=386 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:42:47] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 02:42:47] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 342 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:42:47] [INFO ] Deduced a trap composed of 12 places in 76 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 604 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 960ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2368 steps, including 1 resets, run visited all 1 properties in 11 ms. (steps per millisecond=215 )
Parikh walk visited 1 properties in 11 ms.
RANDOM walk for 40000 steps (532 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (92 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1043392 steps, run timeout after 3001 ms. (steps per millisecond=347 ) properties seen :0 out of 1
Probabilistic random walk after 1043392 steps, saw 147067 distinct states, run finished after 3001 ms. (steps per millisecond=347 ) properties seen :0
[2025-05-31 02:42:51] [INFO ] Invariant cache hit.
[2025-05-31 02:42:51] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 297 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:42:52] [INFO ] Deduced a trap composed of 19 places in 125 ms of which 3 ms to minimize.
[2025-05-31 02:42:52] [INFO ] Deduced a trap composed of 22 places in 138 ms of which 3 ms to minimize.
[2025-05-31 02:42:52] [INFO ] Deduced a trap composed of 18 places in 77 ms of which 3 ms to minimize.
[2025-05-31 02:42:52] [INFO ] Deduced a trap composed of 17 places in 82 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 4/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1127 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1430ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 76832 steps, including 82 resets, run visited all 1 properties in 306 ms. (steps per millisecond=251 )
Parikh walk visited 1 properties in 307 ms.
RANDOM walk for 40000 steps (531 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (93 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1045804 steps, run timeout after 3001 ms. (steps per millisecond=348 ) properties seen :0 out of 1
Probabilistic random walk after 1045804 steps, saw 147388 distinct states, run finished after 3001 ms. (steps per millisecond=348 ) properties seen :0
[2025-05-31 02:42:55] [INFO ] Invariant cache hit.
[2025-05-31 02:42:55] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 420 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:42:56] [INFO ] Deduced a trap composed of 8 places in 102 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:42:57] [INFO ] Deduced a trap composed of 16 places in 125 ms of which 3 ms to minimize.
[2025-05-31 02:42:57] [INFO ] Deduced a trap composed of 19 places in 164 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1146 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1572ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 885 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 56 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (530 resets) in 190 ms. (209 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (92 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1173448 steps, run timeout after 3001 ms. (steps per millisecond=391 ) properties seen :0 out of 1
Probabilistic random walk after 1173448 steps, saw 164415 distinct states, run finished after 3001 ms. (steps per millisecond=391 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:43:01] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 02:43:01] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 413 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:02] [INFO ] Deduced a trap composed of 9 places in 112 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/243 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 200/450 variables, 250/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:02] [INFO ] Deduced a trap composed of 12 places in 97 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/462 variables, 8/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 52/515 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/515 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 49/564 variables, 49/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 905 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1328ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2233 steps, including 1 resets, run visited all 1 properties in 10 ms. (steps per millisecond=223 )
Parikh walk visited 1 properties in 10 ms.
RANDOM walk for 40000 steps (544 resets) in 216 ms. (184 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (90 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1095621 steps, run timeout after 3001 ms. (steps per millisecond=365 ) properties seen :0 out of 1
Probabilistic random walk after 1095621 steps, saw 153299 distinct states, run finished after 3001 ms. (steps per millisecond=365 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:43:05] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 02:43:05] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 408 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:06] [INFO ] Deduced a trap composed of 20 places in 82 ms of which 2 ms to minimize.
[2025-05-31 02:43:06] [INFO ] Deduced a trap composed of 16 places in 83 ms of which 2 ms to minimize.
[2025-05-31 02:43:06] [INFO ] Deduced a trap composed of 7 places in 103 ms of which 2 ms to minimize.
[2025-05-31 02:43:06] [INFO ] Deduced a trap composed of 12 places in 92 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 4/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:07] [INFO ] Deduced a trap composed of 16 places in 141 ms of which 3 ms to minimize.
[2025-05-31 02:43:07] [INFO ] Deduced a trap composed of 18 places in 143 ms of which 3 ms to minimize.
[2025-05-31 02:43:07] [INFO ] Deduced a trap composed of 17 places in 161 ms of which 3 ms to minimize.
[2025-05-31 02:43:07] [INFO ] Deduced a trap composed of 25 places in 102 ms of which 3 ms to minimize.
[2025-05-31 02:43:07] [INFO ] Deduced a trap composed of 25 places in 102 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 5/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/384 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/384 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/384 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 384 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1528 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 9/9 constraints]
After SMT, in 1948ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2237 steps, including 1 resets, run visited all 1 properties in 12 ms. (steps per millisecond=186 )
Parikh walk visited 1 properties in 12 ms.
RANDOM walk for 40000 steps (546 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1151029 steps, run timeout after 3001 ms. (steps per millisecond=383 ) properties seen :0 out of 1
Probabilistic random walk after 1151029 steps, saw 161379 distinct states, run finished after 3001 ms. (steps per millisecond=383 ) properties seen :0
[2025-05-31 02:43:10] [INFO ] Invariant cache hit.
[2025-05-31 02:43:10] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 292 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:11] [INFO ] Deduced a trap composed of 19 places in 127 ms of which 4 ms to minimize.
[2025-05-31 02:43:12] [INFO ] Deduced a trap composed of 22 places in 160 ms of which 4 ms to minimize.
[2025-05-31 02:43:12] [INFO ] Deduced a trap composed of 18 places in 86 ms of which 2 ms to minimize.
[2025-05-31 02:43:12] [INFO ] Deduced a trap composed of 17 places in 88 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 4/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1133 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1441ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 43040 steps, including 58 resets, run visited all 1 properties in 173 ms. (steps per millisecond=248 )
Parikh walk visited 1 properties in 174 ms.
RANDOM walk for 40000 steps (529 resets) in 230 ms. (173 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (90 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1280621 steps, run timeout after 3001 ms. (steps per millisecond=426 ) properties seen :0 out of 1
Probabilistic random walk after 1280621 steps, saw 178488 distinct states, run finished after 3001 ms. (steps per millisecond=426 ) properties seen :0
[2025-05-31 02:43:15] [INFO ] Invariant cache hit.
[2025-05-31 02:43:15] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 432 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:16] [INFO ] Deduced a trap composed of 19 places in 111 ms of which 3 ms to minimize.
[2025-05-31 02:43:16] [INFO ] Deduced a trap composed of 20 places in 139 ms of which 3 ms to minimize.
[2025-05-31 02:43:17] [INFO ] Deduced a trap composed of 22 places in 152 ms of which 3 ms to minimize.
[2025-05-31 02:43:17] [INFO ] Deduced a trap composed of 18 places in 83 ms of which 2 ms to minimize.
[2025-05-31 02:43:17] [INFO ] Deduced a trap composed of 17 places in 98 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 5/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:17] [INFO ] Deduced a trap composed of 7 places in 67 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 1/381 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 381 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1437 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints]
After SMT, in 1876ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 818 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 49 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (546 resets) in 130 ms. (305 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (82 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1252071 steps, run timeout after 3001 ms. (steps per millisecond=417 ) properties seen :0 out of 1
Probabilistic random walk after 1252071 steps, saw 175037 distinct states, run finished after 3001 ms. (steps per millisecond=417 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:43:21] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:43:21] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 335 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:22] [INFO ] Deduced a trap composed of 12 places in 75 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/462 variables, 8/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 3/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/463 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 52/515 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/515 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 49/564 variables, 49/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 375 constraints, problems are : Problem set: 0 solved, 1 unsolved in 754 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1099ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2193 steps, including 1 resets, run visited all 1 properties in 8 ms. (steps per millisecond=274 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (548 resets) in 136 ms. (291 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1057341 steps, run timeout after 3001 ms. (steps per millisecond=352 ) properties seen :0 out of 1
Probabilistic random walk after 1057341 steps, saw 148854 distinct states, run finished after 3001 ms. (steps per millisecond=352 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:43:25] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 02:43:25] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 351 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:26] [INFO ] Deduced a trap composed of 12 places in 50 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 485 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 849ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2074 steps, including 1 resets, run visited all 1 properties in 9 ms. (steps per millisecond=230 )
Parikh walk visited 1 properties in 8 ms.
RANDOM walk for 40000 steps (534 resets) in 151 ms. (263 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1023785 steps, run timeout after 3001 ms. (steps per millisecond=341 ) properties seen :0 out of 1
Probabilistic random walk after 1023785 steps, saw 144643 distinct states, run finished after 3001 ms. (steps per millisecond=341 ) properties seen :0
[2025-05-31 02:43:29] [INFO ] Invariant cache hit.
[2025-05-31 02:43:29] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 295 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:30] [INFO ] Deduced a trap composed of 8 places in 78 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:30] [INFO ] Deduced a trap composed of 22 places in 100 ms of which 3 ms to minimize.
[2025-05-31 02:43:30] [INFO ] Deduced a trap composed of 19 places in 108 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1078 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1379ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 15846 steps, including 122 resets, run visited all 1 properties in 69 ms. (steps per millisecond=229 )
Parikh walk visited 1 properties in 68 ms.
RANDOM walk for 40000 steps (539 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (87 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1113713 steps, run timeout after 3001 ms. (steps per millisecond=371 ) properties seen :0 out of 1
Probabilistic random walk after 1113713 steps, saw 155844 distinct states, run finished after 3004 ms. (steps per millisecond=370 ) properties seen :0
[2025-05-31 02:43:34] [INFO ] Invariant cache hit.
[2025-05-31 02:43:34] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 300 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:35] [INFO ] Deduced a trap composed of 19 places in 120 ms of which 3 ms to minimize.
[2025-05-31 02:43:35] [INFO ] Deduced a trap composed of 22 places in 152 ms of which 3 ms to minimize.
[2025-05-31 02:43:35] [INFO ] Deduced a trap composed of 25 places in 80 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 3/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1071 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1377ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 799 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 44 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (548 resets) in 157 ms. (253 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (81 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1236934 steps, run timeout after 3001 ms. (steps per millisecond=412 ) properties seen :0 out of 1
Probabilistic random walk after 1236934 steps, saw 173052 distinct states, run finished after 3001 ms. (steps per millisecond=412 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:43:39] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:43:39] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 371 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:40] [INFO ] Deduced a trap composed of 12 places in 83 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/462 variables, 8/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 3/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/463 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 52/515 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/515 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 49/564 variables, 49/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 375 constraints, problems are : Problem set: 0 solved, 1 unsolved in 883 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1263ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1950 steps, including 1 resets, run visited all 1 properties in 8 ms. (steps per millisecond=243 )
Parikh walk visited 1 properties in 8 ms.
RANDOM walk for 40000 steps (544 resets) in 226 ms. (176 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1125110 steps, run timeout after 3001 ms. (steps per millisecond=374 ) properties seen :0 out of 1
Probabilistic random walk after 1125110 steps, saw 157425 distinct states, run finished after 3001 ms. (steps per millisecond=374 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:43:43] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:43:43] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 438 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:44] [INFO ] Deduced a trap composed of 20 places in 127 ms of which 4 ms to minimize.
[2025-05-31 02:43:44] [INFO ] Deduced a trap composed of 7 places in 113 ms of which 3 ms to minimize.
[2025-05-31 02:43:44] [INFO ] Deduced a trap composed of 12 places in 107 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:45] [INFO ] Deduced a trap composed of 16 places in 89 ms of which 2 ms to minimize.
[2025-05-31 02:43:45] [INFO ] Deduced a trap composed of 18 places in 99 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 2/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 380 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1039 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 1487ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 159136 steps, including 700 resets, run visited all 1 properties in 634 ms. (steps per millisecond=251 )
Parikh walk visited 1 properties in 634 ms.
RANDOM walk for 40000 steps (548 resets) in 147 ms. (270 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (99 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1220839 steps, run timeout after 3001 ms. (steps per millisecond=406 ) properties seen :0 out of 1
Probabilistic random walk after 1220839 steps, saw 170971 distinct states, run finished after 3001 ms. (steps per millisecond=406 ) properties seen :0
[2025-05-31 02:43:48] [INFO ] Invariant cache hit.
[2025-05-31 02:43:48] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 404 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:50] [INFO ] Deduced a trap composed of 19 places in 127 ms of which 3 ms to minimize.
[2025-05-31 02:43:50] [INFO ] Deduced a trap composed of 22 places in 154 ms of which 3 ms to minimize.
[2025-05-31 02:43:50] [INFO ] Deduced a trap composed of 25 places in 119 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 3/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1122 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1532ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 718 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 41 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (539 resets) in 252 ms. (158 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (90 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1076609 steps, run timeout after 3001 ms. (steps per millisecond=358 ) properties seen :0 out of 1
Probabilistic random walk after 1076609 steps, saw 151096 distinct states, run finished after 3001 ms. (steps per millisecond=358 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:43:54] [INFO ] Computed 60 invariants in 6 ms
[2025-05-31 02:43:54] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 476 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:55] [INFO ] Deduced a trap composed of 9 places in 103 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/243 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 200/450 variables, 250/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:55] [INFO ] Deduced a trap composed of 12 places in 84 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/462 variables, 8/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 52/515 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/515 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 49/564 variables, 49/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1074 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1562ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1851 steps, including 1 resets, run visited all 1 properties in 8 ms. (steps per millisecond=231 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (523 resets) in 179 ms. (222 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (98 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1170144 steps, run timeout after 3001 ms. (steps per millisecond=389 ) properties seen :0 out of 1
Probabilistic random walk after 1170144 steps, saw 164001 distinct states, run finished after 3001 ms. (steps per millisecond=389 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:43:58] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 02:43:58] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 492 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:43:59] [INFO ] Deduced a trap composed of 20 places in 128 ms of which 3 ms to minimize.
[2025-05-31 02:43:59] [INFO ] Deduced a trap composed of 7 places in 123 ms of which 3 ms to minimize.
[2025-05-31 02:44:00] [INFO ] Deduced a trap composed of 16 places in 124 ms of which 3 ms to minimize.
[2025-05-31 02:44:00] [INFO ] Deduced a trap composed of 14 places in 78 ms of which 3 ms to minimize.
[2025-05-31 02:44:00] [INFO ] Deduced a trap composed of 12 places in 77 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 5/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 380 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1206 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 1709ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1792 steps, including 1 resets, run visited all 1 properties in 8 ms. (steps per millisecond=224 )
Parikh walk visited 1 properties in 8 ms.
RANDOM walk for 40000 steps (551 resets) in 167 ms. (238 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (90 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1139375 steps, run timeout after 3001 ms. (steps per millisecond=379 ) properties seen :0 out of 1
Probabilistic random walk after 1139375 steps, saw 159556 distinct states, run finished after 3004 ms. (steps per millisecond=379 ) properties seen :0
[2025-05-31 02:44:03] [INFO ] Invariant cache hit.
[2025-05-31 02:44:03] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 302 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:04] [INFO ] Deduced a trap composed of 17 places in 62 ms of which 1 ms to minimize.
[2025-05-31 02:44:04] [INFO ] Deduced a trap composed of 9 places in 62 ms of which 1 ms to minimize.
[2025-05-31 02:44:04] [INFO ] Deduced a trap composed of 19 places in 61 ms of which 1 ms to minimize.
[2025-05-31 02:44:04] [INFO ] Deduced a trap composed of 19 places in 63 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 4/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 851 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1163ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 78552 steps, including 280 resets, run visited all 1 properties in 310 ms. (steps per millisecond=253 )
Parikh walk visited 1 properties in 316 ms.
RANDOM walk for 40000 steps (539 resets) in 168 ms. (236 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1119091 steps, run timeout after 3001 ms. (steps per millisecond=372 ) properties seen :0 out of 1
Probabilistic random walk after 1119091 steps, saw 156606 distinct states, run finished after 3001 ms. (steps per millisecond=372 ) properties seen :0
[2025-05-31 02:44:08] [INFO ] Invariant cache hit.
[2025-05-31 02:44:08] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 434 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:09] [INFO ] Deduced a trap composed of 19 places in 145 ms of which 4 ms to minimize.
[2025-05-31 02:44:09] [INFO ] Deduced a trap composed of 22 places in 152 ms of which 3 ms to minimize.
[2025-05-31 02:44:09] [INFO ] Deduced a trap composed of 25 places in 113 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 3/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1143 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1585ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 642 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 26 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (546 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (90 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1246687 steps, run timeout after 3001 ms. (steps per millisecond=415 ) properties seen :0 out of 1
Probabilistic random walk after 1246687 steps, saw 174241 distinct states, run finished after 3001 ms. (steps per millisecond=415 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:44:13] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 02:44:13] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 528 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:14] [INFO ] Deduced a trap composed of 7 places in 113 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/243 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 200/450 variables, 250/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:14] [INFO ] Deduced a trap composed of 13 places in 74 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/462 variables, 8/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:15] [INFO ] Deduced a trap composed of 12 places in 86 ms of which 3 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/462 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/463 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/463 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 52/515 variables, 3/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/515 variables, 1/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/515 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 49/564 variables, 49/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/564 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/564 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1171 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1708ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 29250 steps, including 40 resets, run visited all 1 properties in 119 ms. (steps per millisecond=245 )
Parikh walk visited 1 properties in 119 ms.
RANDOM walk for 40000 steps (529 resets) in 164 ms. (242 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (90 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1176032 steps, run timeout after 3001 ms. (steps per millisecond=391 ) properties seen :0 out of 1
Probabilistic random walk after 1176032 steps, saw 164729 distinct states, run finished after 3001 ms. (steps per millisecond=391 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:44:18] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 02:44:18] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 327 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:18] [INFO ] Deduced a trap composed of 14 places in 62 ms of which 2 ms to minimize.
[2025-05-31 02:44:19] [INFO ] Deduced a trap composed of 12 places in 86 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:19] [INFO ] Deduced a trap composed of 17 places in 78 ms of which 3 ms to minimize.
[2025-05-31 02:44:19] [INFO ] Deduced a trap composed of 18 places in 92 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 2/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 866 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1203ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 61971 steps, including 187 resets, run visited all 1 properties in 246 ms. (steps per millisecond=251 )
Parikh walk visited 1 properties in 246 ms.
RANDOM walk for 40000 steps (551 resets) in 168 ms. (236 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (96 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1066238 steps, run timeout after 3001 ms. (steps per millisecond=355 ) properties seen :0 out of 1
Probabilistic random walk after 1066238 steps, saw 149934 distinct states, run finished after 3001 ms. (steps per millisecond=355 ) properties seen :0
[2025-05-31 02:44:23] [INFO ] Invariant cache hit.
[2025-05-31 02:44:23] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 407 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:23] [INFO ] Deduced a trap composed of 8 places in 118 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:24] [INFO ] Deduced a trap composed of 16 places in 128 ms of which 3 ms to minimize.
[2025-05-31 02:44:24] [INFO ] Deduced a trap composed of 19 places in 145 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1181 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1592ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 14255 steps, including 92 resets, run visited all 1 properties in 63 ms. (steps per millisecond=226 )
Parikh walk visited 1 properties in 62 ms.
RANDOM walk for 40000 steps (542 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (92 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 964160 steps, run timeout after 3001 ms. (steps per millisecond=321 ) properties seen :0 out of 1
Probabilistic random walk after 964160 steps, saw 136867 distinct states, run finished after 3001 ms. (steps per millisecond=321 ) properties seen :0
[2025-05-31 02:44:27] [INFO ] Invariant cache hit.
[2025-05-31 02:44:27] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 401 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:28] [INFO ] Deduced a trap composed of 19 places in 129 ms of which 3 ms to minimize.
[2025-05-31 02:44:28] [INFO ] Deduced a trap composed of 22 places in 169 ms of which 3 ms to minimize.
[2025-05-31 02:44:29] [INFO ] Deduced a trap composed of 25 places in 127 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 3/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1129 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1537ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 650 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 43 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (534 resets) in 179 ms. (222 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (90 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1009221 steps, run timeout after 3001 ms. (steps per millisecond=336 ) properties seen :0 out of 1
Probabilistic random walk after 1009221 steps, saw 142780 distinct states, run finished after 3001 ms. (steps per millisecond=336 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:44:33] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:44:33] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 346 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:33] [INFO ] Deduced a trap composed of 9 places in 103 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/243 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 200/450 variables, 250/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:34] [INFO ] Deduced a trap composed of 12 places in 69 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/462 variables, 8/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 52/515 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/515 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 49/564 variables, 49/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 770 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1124ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1583 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=226 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (541 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (97 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1148436 steps, run timeout after 3001 ms. (steps per millisecond=382 ) properties seen :0 out of 1
Probabilistic random walk after 1148436 steps, saw 160969 distinct states, run finished after 3002 ms. (steps per millisecond=382 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:44:37] [INFO ] Computed 60 invariants in 6 ms
[2025-05-31 02:44:37] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 427 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:37] [INFO ] Deduced a trap composed of 20 places in 91 ms of which 2 ms to minimize.
[2025-05-31 02:44:37] [INFO ] Deduced a trap composed of 16 places in 85 ms of which 2 ms to minimize.
[2025-05-31 02:44:38] [INFO ] Deduced a trap composed of 7 places in 86 ms of which 1 ms to minimize.
[2025-05-31 02:44:38] [INFO ] Deduced a trap composed of 12 places in 119 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 4/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 837 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1274ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1538 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=384 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (536 resets) in 149 ms. (266 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (90 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1029737 steps, run timeout after 3001 ms. (steps per millisecond=343 ) properties seen :0 out of 1
Probabilistic random walk after 1029737 steps, saw 145445 distinct states, run finished after 3001 ms. (steps per millisecond=343 ) properties seen :0
[2025-05-31 02:44:41] [INFO ] Invariant cache hit.
[2025-05-31 02:44:41] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 284 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:42] [INFO ] Deduced a trap composed of 8 places in 76 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:42] [INFO ] Deduced a trap composed of 16 places in 100 ms of which 2 ms to minimize.
[2025-05-31 02:44:42] [INFO ] Deduced a trap composed of 19 places in 159 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1034 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1331ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 24937 steps, including 206 resets, run visited all 1 properties in 109 ms. (steps per millisecond=228 )
Parikh walk visited 1 properties in 109 ms.
RANDOM walk for 40000 steps (547 resets) in 151 ms. (263 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (101 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1062802 steps, run timeout after 3001 ms. (steps per millisecond=354 ) properties seen :0 out of 1
Probabilistic random walk after 1062802 steps, saw 149509 distinct states, run finished after 3001 ms. (steps per millisecond=354 ) properties seen :0
[2025-05-31 02:44:46] [INFO ] Invariant cache hit.
[2025-05-31 02:44:46] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 388 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:47] [INFO ] Deduced a trap composed of 19 places in 128 ms of which 3 ms to minimize.
[2025-05-31 02:44:47] [INFO ] Deduced a trap composed of 22 places in 151 ms of which 3 ms to minimize.
[2025-05-31 02:44:47] [INFO ] Deduced a trap composed of 25 places in 112 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 3/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1013 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1411ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 581 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 40 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (547 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1123726 steps, run timeout after 3001 ms. (steps per millisecond=374 ) properties seen :0 out of 1
Probabilistic random walk after 1123726 steps, saw 157200 distinct states, run finished after 3001 ms. (steps per millisecond=374 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:44:51] [INFO ] Computed 60 invariants in 6 ms
[2025-05-31 02:44:51] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 507 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:51] [INFO ] Deduced a trap composed of 7 places in 79 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/243 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 200/450 variables, 250/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:52] [INFO ] Deduced a trap composed of 12 places in 73 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/462 variables, 8/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 52/515 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/515 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 49/564 variables, 49/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 849 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1368ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1415 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=353 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (524 resets) in 167 ms. (238 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1242794 steps, run timeout after 3001 ms. (steps per millisecond=414 ) properties seen :0 out of 1
Probabilistic random walk after 1242794 steps, saw 173781 distinct states, run finished after 3001 ms. (steps per millisecond=414 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:44:55] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 02:44:55] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 493 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:44:56] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 2 ms to minimize.
[2025-05-31 02:44:56] [INFO ] Deduced a trap composed of 12 places in 63 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 633 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1135ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1381 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=345 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (538 resets) in 151 ms. (263 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (90 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1262413 steps, run timeout after 3001 ms. (steps per millisecond=420 ) properties seen :0 out of 1
Probabilistic random walk after 1262413 steps, saw 176335 distinct states, run finished after 3001 ms. (steps per millisecond=420 ) properties seen :0
[2025-05-31 02:44:59] [INFO ] Invariant cache hit.
[2025-05-31 02:44:59] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 411 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:00] [INFO ] Deduced a trap composed of 8 places in 84 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:00] [INFO ] Deduced a trap composed of 22 places in 116 ms of which 3 ms to minimize.
[2025-05-31 02:45:01] [INFO ] Deduced a trap composed of 19 places in 175 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1095 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1512ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 311 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 35 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (540 resets) in 227 ms. (175 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (85 resets) in 97 ms. (408 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1153671 steps, run timeout after 3001 ms. (steps per millisecond=384 ) properties seen :0 out of 1
Probabilistic random walk after 1153671 steps, saw 161729 distinct states, run finished after 3001 ms. (steps per millisecond=384 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:45:04] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:45:04] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 505 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:05] [INFO ] Deduced a trap composed of 7 places in 92 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/243 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 200/450 variables, 250/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:06] [INFO ] Deduced a trap composed of 14 places in 75 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/462 variables, 8/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:06] [INFO ] Deduced a trap composed of 12 places in 84 ms of which 2 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/462 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/463 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/463 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 52/515 variables, 3/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/515 variables, 1/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/515 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 49/564 variables, 49/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/564 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/564 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1094 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1607ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 19009 steps, including 31 resets, run visited all 1 properties in 75 ms. (steps per millisecond=253 )
Parikh walk visited 1 properties in 74 ms.
RANDOM walk for 40000 steps (521 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (82 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1109605 steps, run timeout after 3001 ms. (steps per millisecond=369 ) properties seen :0 out of 1
Probabilistic random walk after 1109605 steps, saw 155194 distinct states, run finished after 3001 ms. (steps per millisecond=369 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:45:09] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:45:09] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 291 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:10] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 2 ms to minimize.
[2025-05-31 02:45:10] [INFO ] Deduced a trap composed of 12 places in 75 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:10] [INFO ] Deduced a trap composed of 16 places in 123 ms of which 3 ms to minimize.
[2025-05-31 02:45:10] [INFO ] Deduced a trap composed of 17 places in 150 ms of which 3 ms to minimize.
[2025-05-31 02:45:10] [INFO ] Deduced a trap composed of 20 places in 96 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 380 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1159 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 1457ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1380 steps, including 1 resets, run visited all 1 properties in 6 ms. (steps per millisecond=230 )
Parikh walk visited 1 properties in 6 ms.
RANDOM walk for 40000 steps (525 resets) in 191 ms. (208 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (92 resets) in 79 ms. (500 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 994985 steps, run timeout after 3001 ms. (steps per millisecond=331 ) properties seen :0 out of 1
Probabilistic random walk after 994985 steps, saw 140804 distinct states, run finished after 3001 ms. (steps per millisecond=331 ) properties seen :0
[2025-05-31 02:45:14] [INFO ] Invariant cache hit.
[2025-05-31 02:45:14] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 431 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:15] [INFO ] Deduced a trap composed of 19 places in 129 ms of which 3 ms to minimize.
[2025-05-31 02:45:15] [INFO ] Deduced a trap composed of 22 places in 161 ms of which 3 ms to minimize.
[2025-05-31 02:45:15] [INFO ] Deduced a trap composed of 25 places in 107 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 3/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1084 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1523ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 17386 steps, including 80 resets, run visited all 1 properties in 73 ms. (steps per millisecond=238 )
Parikh walk visited 1 properties in 73 ms.
RANDOM walk for 40000 steps (547 resets) in 188 ms. (211 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (101 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1048690 steps, run timeout after 3001 ms. (steps per millisecond=349 ) properties seen :0 out of 1
Probabilistic random walk after 1048690 steps, saw 147788 distinct states, run finished after 3001 ms. (steps per millisecond=349 ) properties seen :0
[2025-05-31 02:45:18] [INFO ] Invariant cache hit.
[2025-05-31 02:45:18] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 402 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:19] [INFO ] Deduced a trap composed of 8 places in 120 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:20] [INFO ] Deduced a trap composed of 16 places in 128 ms of which 4 ms to minimize.
[2025-05-31 02:45:20] [INFO ] Deduced a trap composed of 19 places in 160 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1174 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1583ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 13604 steps, including 101 resets, run visited all 1 properties in 61 ms. (steps per millisecond=223 )
Parikh walk visited 1 properties in 61 ms.
RANDOM walk for 40000 steps (540 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1069382 steps, run timeout after 3001 ms. (steps per millisecond=356 ) properties seen :0 out of 1
Probabilistic random walk after 1069382 steps, saw 150293 distinct states, run finished after 3001 ms. (steps per millisecond=356 ) properties seen :0
[2025-05-31 02:45:23] [INFO ] Invariant cache hit.
[2025-05-31 02:45:23] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 402 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:24] [INFO ] Deduced a trap composed of 19 places in 129 ms of which 3 ms to minimize.
[2025-05-31 02:45:24] [INFO ] Deduced a trap composed of 22 places in 172 ms of which 3 ms to minimize.
[2025-05-31 02:45:24] [INFO ] Deduced a trap composed of 25 places in 112 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 3/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1138 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1548ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 462 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 41 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (555 resets) in 174 ms. (228 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (79 resets) in 86 ms. (459 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1097060 steps, run timeout after 3001 ms. (steps per millisecond=365 ) properties seen :0 out of 1
Probabilistic random walk after 1097060 steps, saw 153524 distinct states, run finished after 3001 ms. (steps per millisecond=365 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:45:28] [INFO ] Computed 60 invariants in 8 ms
[2025-05-31 02:45:28] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 474 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:29] [INFO ] Deduced a trap composed of 7 places in 87 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/243 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 200/450 variables, 250/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/462 variables, 8/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 3/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/463 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 52/515 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/515 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 49/564 variables, 49/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 375 constraints, problems are : Problem set: 0 solved, 1 unsolved in 823 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1312ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 29776 steps, including 58 resets, run visited all 1 properties in 113 ms. (steps per millisecond=263 )
Parikh walk visited 1 properties in 112 ms.
RANDOM walk for 40000 steps (543 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (94 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1051290 steps, run timeout after 3001 ms. (steps per millisecond=350 ) properties seen :0 out of 1
Probabilistic random walk after 1051290 steps, saw 148128 distinct states, run finished after 3001 ms. (steps per millisecond=350 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:45:33] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:45:33] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 344 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:33] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 684 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1039ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1070 steps, including 1 resets, run visited all 1 properties in 8 ms. (steps per millisecond=133 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (545 resets) in 166 ms. (239 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (86 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1135108 steps, run timeout after 3001 ms. (steps per millisecond=378 ) properties seen :0 out of 1
Probabilistic random walk after 1135108 steps, saw 158959 distinct states, run finished after 3001 ms. (steps per millisecond=378 ) properties seen :0
[2025-05-31 02:45:37] [INFO ] Invariant cache hit.
[2025-05-31 02:45:37] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 361 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:38] [INFO ] Deduced a trap composed of 16 places in 128 ms of which 3 ms to minimize.
[2025-05-31 02:45:38] [INFO ] Deduced a trap composed of 22 places in 151 ms of which 3 ms to minimize.
[2025-05-31 02:45:38] [INFO ] Deduced a trap composed of 20 places in 147 ms of which 3 ms to minimize.
[2025-05-31 02:45:38] [INFO ] Deduced a trap composed of 21 places in 92 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 4/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1332 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1699ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1241 steps, including 1 resets, run visited all 1 properties in 6 ms. (steps per millisecond=206 )
Parikh walk visited 1 properties in 5 ms.
RANDOM walk for 40000 steps (545 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1106669 steps, run timeout after 3001 ms. (steps per millisecond=368 ) properties seen :0 out of 1
Probabilistic random walk after 1106669 steps, saw 154797 distinct states, run finished after 3001 ms. (steps per millisecond=368 ) properties seen :0
[2025-05-31 02:45:42] [INFO ] Invariant cache hit.
[2025-05-31 02:45:42] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 272 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:42] [INFO ] Deduced a trap composed of 19 places in 133 ms of which 3 ms to minimize.
[2025-05-31 02:45:43] [INFO ] Deduced a trap composed of 22 places in 151 ms of which 3 ms to minimize.
[2025-05-31 02:45:43] [INFO ] Deduced a trap composed of 25 places in 109 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 3/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1025 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1303ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 400 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 36 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (547 resets) in 176 ms. (225 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 82 ms. (481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1163748 steps, run timeout after 3001 ms. (steps per millisecond=387 ) properties seen :0 out of 1
Probabilistic random walk after 1163748 steps, saw 163170 distinct states, run finished after 3001 ms. (steps per millisecond=387 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:45:46] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:45:46] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 522 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:48] [INFO ] Deduced a trap composed of 12 places in 84 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/462 variables, 8/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 3/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/463 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 52/515 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/515 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 49/564 variables, 49/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 375 constraints, problems are : Problem set: 0 solved, 1 unsolved in 821 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1353ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 997 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=199 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (537 resets) in 180 ms. (220 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (87 resets) in 72 ms. (547 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1102648 steps, run timeout after 3001 ms. (steps per millisecond=367 ) properties seen :0 out of 1
Probabilistic random walk after 1102648 steps, saw 154280 distinct states, run finished after 3001 ms. (steps per millisecond=367 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:45:51] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 02:45:51] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 353 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:51] [INFO ] Deduced a trap composed of 20 places in 84 ms of which 2 ms to minimize.
[2025-05-31 02:45:51] [INFO ] Deduced a trap composed of 16 places in 88 ms of which 2 ms to minimize.
[2025-05-31 02:45:52] [INFO ] Deduced a trap composed of 7 places in 123 ms of which 3 ms to minimize.
[2025-05-31 02:45:52] [INFO ] Deduced a trap composed of 12 places in 123 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 4/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:52] [INFO ] Deduced a trap composed of 17 places in 128 ms of which 3 ms to minimize.
[2025-05-31 02:45:53] [INFO ] Deduced a trap composed of 19 places in 152 ms of which 3 ms to minimize.
[2025-05-31 02:45:53] [INFO ] Deduced a trap composed of 18 places in 99 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 382 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1610 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints]
After SMT, in 1973ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 370 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 32 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (532 resets) in 187 ms. (212 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1142691 steps, run timeout after 3001 ms. (steps per millisecond=380 ) properties seen :0 out of 1
Probabilistic random walk after 1142691 steps, saw 160013 distinct states, run finished after 3001 ms. (steps per millisecond=380 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:45:56] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:45:56] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 459 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:57] [INFO ] Deduced a trap composed of 7 places in 118 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/243 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 200/450 variables, 250/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:45:57] [INFO ] Deduced a trap composed of 12 places in 78 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/462 variables, 8/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 52/515 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/515 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 49/564 variables, 49/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 939 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1410ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 898 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=179 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (537 resets) in 169 ms. (235 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1128468 steps, run timeout after 3001 ms. (steps per millisecond=376 ) properties seen :0 out of 1
Probabilistic random walk after 1128468 steps, saw 157881 distinct states, run finished after 3001 ms. (steps per millisecond=376 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:46:01] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 02:46:01] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 404 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:01] [INFO ] Deduced a trap composed of 12 places in 69 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:02] [INFO ] Deduced a trap composed of 7 places in 114 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 824 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1241ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 325 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 34 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (541 resets) in 181 ms. (219 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (80 resets) in 85 ms. (465 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1076921 steps, run timeout after 3001 ms. (steps per millisecond=358 ) properties seen :0 out of 1
Probabilistic random walk after 1076921 steps, saw 151132 distinct states, run finished after 3005 ms. (steps per millisecond=358 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:46:05] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 02:46:05] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 343 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:06] [INFO ] Deduced a trap composed of 9 places in 83 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/243 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 200/450 variables, 250/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:06] [INFO ] Deduced a trap composed of 12 places in 49 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/462 variables, 8/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 52/515 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/515 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 49/564 variables, 49/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 822 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1175ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 899 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=224 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (533 resets) in 183 ms. (217 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (88 resets) in 79 ms. (500 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1117290 steps, run timeout after 3001 ms. (steps per millisecond=372 ) properties seen :0 out of 1
Probabilistic random walk after 1117290 steps, saw 156340 distinct states, run finished after 3002 ms. (steps per millisecond=372 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:46:10] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 02:46:10] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 285 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:10] [INFO ] Deduced a trap composed of 20 places in 72 ms of which 2 ms to minimize.
[2025-05-31 02:46:10] [INFO ] Deduced a trap composed of 7 places in 74 ms of which 2 ms to minimize.
[2025-05-31 02:46:10] [INFO ] Deduced a trap composed of 12 places in 70 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:11] [INFO ] Deduced a trap composed of 17 places in 133 ms of which 4 ms to minimize.
[2025-05-31 02:46:11] [INFO ] Deduced a trap composed of 8 places in 156 ms of which 4 ms to minimize.
[2025-05-31 02:46:11] [INFO ] Deduced a trap composed of 19 places in 151 ms of which 4 ms to minimize.
[2025-05-31 02:46:11] [INFO ] Deduced a trap composed of 18 places in 99 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 4/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 382 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1472 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints]
After SMT, in 1769ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 11718 steps, including 53 resets, run visited all 1 properties in 49 ms. (steps per millisecond=239 )
Parikh walk visited 1 properties in 50 ms.
RANDOM walk for 40000 steps (528 resets) in 168 ms. (236 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (91 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1174858 steps, run timeout after 3001 ms. (steps per millisecond=391 ) properties seen :0 out of 1
Probabilistic random walk after 1174858 steps, saw 164597 distinct states, run finished after 3003 ms. (steps per millisecond=391 ) properties seen :0
[2025-05-31 02:46:15] [INFO ] Invariant cache hit.
[2025-05-31 02:46:15] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:15] [INFO ] Deduced a trap composed of 16 places in 104 ms of which 3 ms to minimize.
[2025-05-31 02:46:15] [INFO ] Deduced a trap composed of 17 places in 128 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 665 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:16] [INFO ] Deduced a trap composed of 8 places in 116 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/262 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 254/516 variables, 262/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 2/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 1/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:16] [INFO ] Deduced a trap composed of 18 places in 84 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 1/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 802 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1474ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 172 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 18 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (556 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1234398 steps, run timeout after 3001 ms. (steps per millisecond=411 ) properties seen :0 out of 1
Probabilistic random walk after 1234398 steps, saw 172715 distinct states, run finished after 3001 ms. (steps per millisecond=411 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:46:19] [INFO ] Computed 60 invariants in 6 ms
[2025-05-31 02:46:19] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 512 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:20] [INFO ] Deduced a trap composed of 9 places in 120 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/243 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 200/450 variables, 250/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:21] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/462 variables, 8/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 52/515 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/515 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 49/564 variables, 49/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 891 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1415ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 852 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=213 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (545 resets) in 170 ms. (233 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (91 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1087104 steps, run timeout after 3001 ms. (steps per millisecond=362 ) properties seen :0 out of 1
Probabilistic random walk after 1087104 steps, saw 152321 distinct states, run finished after 3002 ms. (steps per millisecond=362 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:46:24] [INFO ] Computed 60 invariants in 6 ms
[2025-05-31 02:46:24] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 304 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:24] [INFO ] Deduced a trap composed of 20 places in 93 ms of which 3 ms to minimize.
[2025-05-31 02:46:24] [INFO ] Deduced a trap composed of 16 places in 128 ms of which 3 ms to minimize.
[2025-05-31 02:46:25] [INFO ] Deduced a trap composed of 7 places in 133 ms of which 3 ms to minimize.
[2025-05-31 02:46:25] [INFO ] Deduced a trap composed of 12 places in 133 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 4/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:25] [INFO ] Deduced a trap composed of 17 places in 131 ms of which 3 ms to minimize.
[2025-05-31 02:46:26] [INFO ] Deduced a trap composed of 19 places in 159 ms of which 4 ms to minimize.
[2025-05-31 02:46:26] [INFO ] Deduced a trap composed of 18 places in 112 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 382 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1686 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints]
After SMT, in 2004ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 293 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 29 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (552 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (86 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1048680 steps, run timeout after 3001 ms. (steps per millisecond=349 ) properties seen :0 out of 1
Probabilistic random walk after 1048680 steps, saw 147787 distinct states, run finished after 3001 ms. (steps per millisecond=349 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:46:29] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 02:46:29] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 506 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:30] [INFO ] Deduced a trap composed of 7 places in 111 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/243 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 200/450 variables, 250/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/462 variables, 8/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 3/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/463 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 52/515 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/515 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 49/564 variables, 49/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 375 constraints, problems are : Problem set: 0 solved, 1 unsolved in 777 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1293ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 824 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=164 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (544 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (86 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1018731 steps, run timeout after 3001 ms. (steps per millisecond=339 ) properties seen :0 out of 1
Probabilistic random walk after 1018731 steps, saw 144028 distinct states, run finished after 3001 ms. (steps per millisecond=339 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:46:34] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 02:46:34] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 283 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:34] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:34] [INFO ] Deduced a trap composed of 7 places in 97 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 654 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 949ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 248 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 28 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (556 resets) in 202 ms. (197 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (97 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1109626 steps, run timeout after 3001 ms. (steps per millisecond=369 ) properties seen :0 out of 1
Probabilistic random walk after 1109626 steps, saw 155195 distinct states, run finished after 3001 ms. (steps per millisecond=369 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:46:38] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:46:38] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 477 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:39] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/462 variables, 8/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 3/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/463 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 52/515 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/515 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 49/564 variables, 49/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 375 constraints, problems are : Problem set: 0 solved, 1 unsolved in 681 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1167ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 736 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=184 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (549 resets) in 211 ms. (188 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 79 ms. (500 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1133547 steps, run timeout after 3001 ms. (steps per millisecond=377 ) properties seen :0 out of 1
Probabilistic random walk after 1133547 steps, saw 158722 distinct states, run finished after 3001 ms. (steps per millisecond=377 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:46:42] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 02:46:42] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 322 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:43] [INFO ] Deduced a trap composed of 20 places in 116 ms of which 3 ms to minimize.
[2025-05-31 02:46:43] [INFO ] Deduced a trap composed of 7 places in 128 ms of which 2 ms to minimize.
[2025-05-31 02:46:43] [INFO ] Deduced a trap composed of 12 places in 120 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:44] [INFO ] Deduced a trap composed of 17 places in 119 ms of which 3 ms to minimize.
[2025-05-31 02:46:44] [INFO ] Deduced a trap composed of 8 places in 136 ms of which 3 ms to minimize.
[2025-05-31 02:46:44] [INFO ] Deduced a trap composed of 19 places in 141 ms of which 3 ms to minimize.
[2025-05-31 02:46:44] [INFO ] Deduced a trap composed of 18 places in 98 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 4/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 382 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1631 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints]
After SMT, in 1962ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 12236 steps, including 56 resets, run visited all 1 properties in 52 ms. (steps per millisecond=235 )
Parikh walk visited 1 properties in 52 ms.
RANDOM walk for 40000 steps (532 resets) in 224 ms. (177 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (86 resets) in 79 ms. (500 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1180174 steps, run timeout after 3001 ms. (steps per millisecond=393 ) properties seen :0 out of 1
Probabilistic random walk after 1180174 steps, saw 165302 distinct states, run finished after 3001 ms. (steps per millisecond=393 ) properties seen :0
[2025-05-31 02:46:47] [INFO ] Invariant cache hit.
[2025-05-31 02:46:47] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 298 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:48] [INFO ] Deduced a trap composed of 8 places in 77 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:48] [INFO ] Deduced a trap composed of 22 places in 109 ms of which 3 ms to minimize.
[2025-05-31 02:46:48] [INFO ] Deduced a trap composed of 19 places in 133 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 950 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1255ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 237 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 29 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (526 resets) in 255 ms. (156 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1198855 steps, run timeout after 3001 ms. (steps per millisecond=399 ) properties seen :0 out of 1
Probabilistic random walk after 1198855 steps, saw 167838 distinct states, run finished after 3001 ms. (steps per millisecond=399 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:46:52] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:46:52] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 320 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:52] [INFO ] Deduced a trap composed of 9 places in 63 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/243 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 200/450 variables, 250/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:53] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/462 variables, 8/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 52/515 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/515 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 49/564 variables, 49/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 602 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 930ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 655 steps, including 1 resets, run visited all 1 properties in 3 ms. (steps per millisecond=218 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (513 resets) in 140 ms. (283 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (86 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1157790 steps, run timeout after 3001 ms. (steps per millisecond=385 ) properties seen :0 out of 1
Probabilistic random walk after 1157790 steps, saw 162311 distinct states, run finished after 3001 ms. (steps per millisecond=385 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:46:56] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:46:56] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 265 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:46:56] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 405 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 677ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 33161 steps, including 142 resets, run visited all 1 properties in 135 ms. (steps per millisecond=245 )
Parikh walk visited 1 properties in 134 ms.
RANDOM walk for 40000 steps (530 resets) in 199 ms. (200 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (98 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1186267 steps, run timeout after 3001 ms. (steps per millisecond=395 ) properties seen :0 out of 1
Probabilistic random walk after 1186267 steps, saw 166110 distinct states, run finished after 3001 ms. (steps per millisecond=395 ) properties seen :0
[2025-05-31 02:47:00] [INFO ] Invariant cache hit.
[2025-05-31 02:47:00] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 378 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:01] [INFO ] Deduced a trap composed of 18 places in 147 ms of which 3 ms to minimize.
[2025-05-31 02:47:01] [INFO ] Deduced a trap composed of 17 places in 131 ms of which 3 ms to minimize.
[2025-05-31 02:47:01] [INFO ] Deduced a trap composed of 18 places in 94 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 3/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1032 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1415ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 856 steps, including 2 resets, run visited all 1 properties in 4 ms. (steps per millisecond=214 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (531 resets) in 184 ms. (216 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1106054 steps, run timeout after 3001 ms. (steps per millisecond=368 ) properties seen :0 out of 1
Probabilistic random walk after 1106054 steps, saw 154728 distinct states, run finished after 3001 ms. (steps per millisecond=368 ) properties seen :0
[2025-05-31 02:47:04] [INFO ] Invariant cache hit.
[2025-05-31 02:47:04] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 379 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:05] [INFO ] Deduced a trap composed of 8 places in 114 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:05] [INFO ] Deduced a trap composed of 13 places in 84 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 897 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1281ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 527 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=131 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (542 resets) in 194 ms. (205 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 992330 steps, run timeout after 3001 ms. (steps per millisecond=330 ) properties seen :0 out of 1
Probabilistic random walk after 992330 steps, saw 140465 distinct states, run finished after 3001 ms. (steps per millisecond=330 ) properties seen :0
[2025-05-31 02:47:09] [INFO ] Invariant cache hit.
[2025-05-31 02:47:09] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 318 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:10] [INFO ] Deduced a trap composed of 16 places in 79 ms of which 2 ms to minimize.
[2025-05-31 02:47:10] [INFO ] Deduced a trap composed of 23 places in 81 ms of which 3 ms to minimize.
[2025-05-31 02:47:10] [INFO ] Deduced a trap composed of 21 places in 72 ms of which 2 ms to minimize.
[2025-05-31 02:47:10] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 1 ms to minimize.
[2025-05-31 02:47:10] [INFO ] Deduced a trap composed of 20 places in 71 ms of which 2 ms to minimize.
[2025-05-31 02:47:10] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 6/331 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/331 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/381 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 381 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1041 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints]
After SMT, in 1368ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 517 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=258 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (554 resets) in 157 ms. (253 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 982757 steps, run timeout after 3001 ms. (steps per millisecond=327 ) properties seen :0 out of 1
Probabilistic random walk after 982757 steps, saw 139176 distinct states, run finished after 3001 ms. (steps per millisecond=327 ) properties seen :0
[2025-05-31 02:47:13] [INFO ] Invariant cache hit.
[2025-05-31 02:47:13] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 262 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:14] [INFO ] Deduced a trap composed of 12 places in 89 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 692 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 957ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 406 steps, including 1 resets, run visited all 1 properties in 3 ms. (steps per millisecond=135 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (546 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (86 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1064047 steps, run timeout after 3001 ms. (steps per millisecond=354 ) properties seen :0 out of 1
Probabilistic random walk after 1064047 steps, saw 149638 distinct states, run finished after 3001 ms. (steps per millisecond=354 ) properties seen :0
[2025-05-31 02:47:17] [INFO ] Invariant cache hit.
[2025-05-31 02:47:17] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 356 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:18] [INFO ] Deduced a trap composed of 17 places in 108 ms of which 3 ms to minimize.
[2025-05-31 02:47:18] [INFO ] Deduced a trap composed of 17 places in 132 ms of which 2 ms to minimize.
[2025-05-31 02:47:18] [INFO ] Deduced a trap composed of 19 places in 93 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 3/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 847 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1208ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 15444 steps, including 43 resets, run visited all 1 properties in 62 ms. (steps per millisecond=249 )
Parikh walk visited 1 properties in 62 ms.
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (524 resets) in 161 ms. (246 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (85 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1134946 steps, run timeout after 3001 ms. (steps per millisecond=378 ) properties seen :0 out of 1
Probabilistic random walk after 1134946 steps, saw 158933 distinct states, run finished after 3001 ms. (steps per millisecond=378 ) properties seen :0
[2025-05-31 02:47:22] [INFO ] Invariant cache hit.
[2025-05-31 02:47:22] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 303 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:22] [INFO ] Deduced a trap composed of 7 places in 75 ms of which 2 ms to minimize.
[2025-05-31 02:47:22] [INFO ] Deduced a trap composed of 15 places in 92 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:23] [INFO ] Deduced a trap composed of 9 places in 130 ms of which 3 ms to minimize.
[2025-05-31 02:47:23] [INFO ] Deduced a trap composed of 8 places in 159 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 2/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1006 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1314ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2390 steps, including 1 resets, run visited all 1 properties in 10 ms. (steps per millisecond=239 )
Parikh walk visited 1 properties in 10 ms.
RANDOM walk for 40000 steps (550 resets) in 194 ms. (205 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (91 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1024871 steps, run timeout after 3001 ms. (steps per millisecond=341 ) properties seen :0 out of 1
Probabilistic random walk after 1024871 steps, saw 144773 distinct states, run finished after 3001 ms. (steps per millisecond=341 ) properties seen :0
[2025-05-31 02:47:26] [INFO ] Invariant cache hit.
[2025-05-31 02:47:26] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 314 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:26] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 578 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 909ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 776 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 17 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (536 resets) in 134 ms. (296 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (81 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1293899 steps, run timeout after 3001 ms. (steps per millisecond=431 ) properties seen :0 out of 1
Probabilistic random walk after 1293899 steps, saw 180033 distinct states, run finished after 3005 ms. (steps per millisecond=430 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:47:31] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:47:31] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 349 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/462 variables, 8/316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 3/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 52/515 variables, 3/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/515 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 49/564 variables, 49/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/564 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/564 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 477 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 834ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 18585 steps, including 49 resets, run visited all 1 properties in 74 ms. (steps per millisecond=251 )
Parikh walk visited 1 properties in 74 ms.
RANDOM walk for 40000 steps (534 resets) in 205 ms. (194 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (86 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1152454 steps, run timeout after 3001 ms. (steps per millisecond=384 ) properties seen :0 out of 1
Probabilistic random walk after 1152454 steps, saw 161563 distinct states, run finished after 3001 ms. (steps per millisecond=384 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:47:35] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:47:35] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 452 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:35] [INFO ] Deduced a trap composed of 7 places in 143 ms of which 3 ms to minimize.
[2025-05-31 02:47:36] [INFO ] Deduced a trap composed of 15 places in 139 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:36] [INFO ] Deduced a trap composed of 16 places in 115 ms of which 3 ms to minimize.
[2025-05-31 02:47:36] [INFO ] Deduced a trap composed of 10 places in 133 ms of which 3 ms to minimize.
[2025-05-31 02:47:37] [INFO ] Deduced a trap composed of 18 places in 127 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 380 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1492 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 1950ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2296 steps, including 1 resets, run visited all 1 properties in 10 ms. (steps per millisecond=229 )
Parikh walk visited 1 properties in 10 ms.
RANDOM walk for 40000 steps (532 resets) in 208 ms. (191 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1177281 steps, run timeout after 3001 ms. (steps per millisecond=392 ) properties seen :0 out of 1
Probabilistic random walk after 1177281 steps, saw 164884 distinct states, run finished after 3001 ms. (steps per millisecond=392 ) properties seen :0
[2025-05-31 02:47:40] [INFO ] Invariant cache hit.
[2025-05-31 02:47:40] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 428 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:40] [INFO ] Deduced a trap composed of 15 places in 80 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:41] [INFO ] Deduced a trap composed of 16 places in 115 ms of which 2 ms to minimize.
[2025-05-31 02:47:41] [INFO ] Deduced a trap composed of 17 places in 146 ms of which 3 ms to minimize.
[2025-05-31 02:47:41] [INFO ] Deduced a trap composed of 19 places in 84 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1014 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1458ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 23001 steps, including 70 resets, run visited all 1 properties in 93 ms. (steps per millisecond=247 )
Parikh walk visited 1 properties in 93 ms.
RANDOM walk for 40000 steps (535 resets) in 191 ms. (208 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1204453 steps, run timeout after 3001 ms. (steps per millisecond=401 ) properties seen :0 out of 1
Probabilistic random walk after 1204453 steps, saw 168672 distinct states, run finished after 3001 ms. (steps per millisecond=401 ) properties seen :0
[2025-05-31 02:47:44] [INFO ] Invariant cache hit.
[2025-05-31 02:47:44] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 301 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:45] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:45] [INFO ] Deduced a trap composed of 16 places in 109 ms of which 3 ms to minimize.
[2025-05-31 02:47:45] [INFO ] Deduced a trap composed of 17 places in 133 ms of which 3 ms to minimize.
[2025-05-31 02:47:45] [INFO ] Deduced a trap composed of 19 places in 73 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 889 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1201ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 15762 steps, including 46 resets, run visited all 1 properties in 64 ms. (steps per millisecond=246 )
Parikh walk visited 1 properties in 63 ms.
RANDOM walk for 40000 steps (523 resets) in 197 ms. (202 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1133851 steps, run timeout after 3001 ms. (steps per millisecond=377 ) properties seen :0 out of 1
Probabilistic random walk after 1133851 steps, saw 158768 distinct states, run finished after 3001 ms. (steps per millisecond=377 ) properties seen :0
[2025-05-31 02:47:49] [INFO ] Invariant cache hit.
[2025-05-31 02:47:49] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 534 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:50] [INFO ] Deduced a trap composed of 15 places in 82 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:50] [INFO ] Deduced a trap composed of 17 places in 86 ms of which 2 ms to minimize.
[2025-05-31 02:47:50] [INFO ] Deduced a trap composed of 19 places in 103 ms of which 2 ms to minimize.
[2025-05-31 02:47:50] [INFO ] Deduced a trap composed of 18 places in 93 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1061 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1605ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 23851 steps, including 73 resets, run visited all 1 properties in 97 ms. (steps per millisecond=245 )
Parikh walk visited 1 properties in 97 ms.
RANDOM walk for 40000 steps (539 resets) in 199 ms. (200 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (92 resets) in 79 ms. (500 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1127226 steps, run timeout after 3001 ms. (steps per millisecond=375 ) properties seen :0 out of 1
Probabilistic random walk after 1127226 steps, saw 157705 distinct states, run finished after 3001 ms. (steps per millisecond=375 ) properties seen :0
[2025-05-31 02:47:54] [INFO ] Invariant cache hit.
[2025-05-31 02:47:54] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 338 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:54] [INFO ] Deduced a trap composed of 15 places in 80 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 698 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1040ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2126 steps, including 1 resets, run visited all 1 properties in 9 ms. (steps per millisecond=236 )
Parikh walk visited 1 properties in 8 ms.
RANDOM walk for 40000 steps (542 resets) in 192 ms. (207 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (85 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1167844 steps, run timeout after 3001 ms. (steps per millisecond=389 ) properties seen :0 out of 1
Probabilistic random walk after 1167844 steps, saw 163723 distinct states, run finished after 3001 ms. (steps per millisecond=389 ) properties seen :0
[2025-05-31 02:47:58] [INFO ] Invariant cache hit.
[2025-05-31 02:47:58] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 353 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:58] [INFO ] Deduced a trap composed of 15 places in 90 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:47:59] [INFO ] Deduced a trap composed of 16 places in 108 ms of which 3 ms to minimize.
[2025-05-31 02:47:59] [INFO ] Deduced a trap composed of 19 places in 124 ms of which 3 ms to minimize.
[2025-05-31 02:47:59] [INFO ] Deduced a trap composed of 17 places in 121 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1072 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1432ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 24582 steps, including 74 resets, run visited all 1 properties in 101 ms. (steps per millisecond=243 )
Parikh walk visited 1 properties in 101 ms.
RANDOM walk for 40000 steps (539 resets) in 189 ms. (210 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (84 resets) in 82 ms. (481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1178449 steps, run timeout after 3001 ms. (steps per millisecond=392 ) properties seen :0 out of 1
Probabilistic random walk after 1178449 steps, saw 165008 distinct states, run finished after 3001 ms. (steps per millisecond=392 ) properties seen :0
[2025-05-31 02:48:02] [INFO ] Invariant cache hit.
[2025-05-31 02:48:02] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 495 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:48:03] [INFO ] Deduced a trap composed of 15 places in 80 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 663 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1164ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 757 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 33 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (548 resets) in 185 ms. (215 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (90 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1134293 steps, run timeout after 3001 ms. (steps per millisecond=377 ) properties seen :0 out of 1
Probabilistic random walk after 1134293 steps, saw 158835 distinct states, run finished after 3001 ms. (steps per millisecond=377 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:48:07] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 02:48:07] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 337 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/462 variables, 8/316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 3/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:48:08] [INFO ] Deduced a trap composed of 17 places in 73 ms of which 2 ms to minimize.
[2025-05-31 02:48:08] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 2/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:48:08] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 2 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 52/515 variables, 3/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 1/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/515 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 49/564 variables, 49/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/564 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/564 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 736 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1084ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 18560 steps, including 55 resets, run visited all 1 properties in 74 ms. (steps per millisecond=250 )
Parikh walk visited 1 properties in 74 ms.
RANDOM walk for 40000 steps (529 resets) in 213 ms. (186 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1158496 steps, run timeout after 3001 ms. (steps per millisecond=386 ) properties seen :0 out of 1
Probabilistic random walk after 1158496 steps, saw 162413 distinct states, run finished after 3001 ms. (steps per millisecond=386 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:48:12] [INFO ] Computed 60 invariants in 2 ms
[2025-05-31 02:48:12] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 425 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:48:12] [INFO ] Deduced a trap composed of 15 places in 132 ms of which 2 ms to minimize.
[2025-05-31 02:48:13] [INFO ] Deduced a trap composed of 7 places in 134 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 893 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1332ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 7320 steps, including 22 resets, run visited all 1 properties in 31 ms. (steps per millisecond=236 )
Parikh walk visited 1 properties in 30 ms.
RANDOM walk for 40000 steps (535 resets) in 204 ms. (195 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (92 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1138467 steps, run timeout after 3001 ms. (steps per millisecond=379 ) properties seen :0 out of 1
Probabilistic random walk after 1138467 steps, saw 159394 distinct states, run finished after 3001 ms. (steps per millisecond=379 ) properties seen :0
[2025-05-31 02:48:16] [INFO ] Invariant cache hit.
[2025-05-31 02:48:16] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 301 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:48:17] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:48:17] [INFO ] Deduced a trap composed of 16 places in 108 ms of which 2 ms to minimize.
[2025-05-31 02:48:17] [INFO ] Deduced a trap composed of 17 places in 132 ms of which 2 ms to minimize.
[2025-05-31 02:48:17] [INFO ] Deduced a trap composed of 19 places in 80 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1011 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1324ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 46420 steps, including 145 resets, run visited all 1 properties in 187 ms. (steps per millisecond=248 )
Parikh walk visited 1 properties in 186 ms.
RANDOM walk for 40000 steps (525 resets) in 199 ms. (200 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (98 resets) in 83 ms. (476 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1178628 steps, run timeout after 3001 ms. (steps per millisecond=392 ) properties seen :0 out of 1
Probabilistic random walk after 1178628 steps, saw 165065 distinct states, run finished after 3001 ms. (steps per millisecond=392 ) properties seen :0
[2025-05-31 02:48:21] [INFO ] Invariant cache hit.
[2025-05-31 02:48:21] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 393 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:48:21] [INFO ] Deduced a trap composed of 15 places in 85 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 639 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1037ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1854 steps, including 1 resets, run visited all 1 properties in 8 ms. (steps per millisecond=231 )
Parikh walk visited 1 properties in 8 ms.
RANDOM walk for 40000 steps (520 resets) in 206 ms. (193 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 86 ms. (459 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1200388 steps, run timeout after 3001 ms. (steps per millisecond=399 ) properties seen :0 out of 1
Probabilistic random walk after 1200388 steps, saw 168076 distinct states, run finished after 3001 ms. (steps per millisecond=399 ) properties seen :0
[2025-05-31 02:48:25] [INFO ] Invariant cache hit.
[2025-05-31 02:48:25] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 292 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:48:25] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:48:26] [INFO ] Deduced a trap composed of 16 places in 79 ms of which 2 ms to minimize.
[2025-05-31 02:48:26] [INFO ] Deduced a trap composed of 17 places in 89 ms of which 2 ms to minimize.
[2025-05-31 02:48:26] [INFO ] Deduced a trap composed of 19 places in 56 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 679 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 978ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 16678 steps, including 49 resets, run visited all 1 properties in 46 ms. (steps per millisecond=362 )
Parikh walk visited 1 properties in 46 ms.
RANDOM walk for 40000 steps (531 resets) in 215 ms. (185 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (86 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1130235 steps, run timeout after 3001 ms. (steps per millisecond=376 ) properties seen :0 out of 1
Probabilistic random walk after 1130235 steps, saw 158190 distinct states, run finished after 3004 ms. (steps per millisecond=376 ) properties seen :0
[2025-05-31 02:48:29] [INFO ] Invariant cache hit.
[2025-05-31 02:48:29] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 305 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:48:30] [INFO ] Deduced a trap composed of 15 places in 93 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:48:30] [INFO ] Deduced a trap composed of 16 places in 115 ms of which 2 ms to minimize.
[2025-05-31 02:48:30] [INFO ] Deduced a trap composed of 18 places in 124 ms of which 2 ms to minimize.
[2025-05-31 02:48:30] [INFO ] Deduced a trap composed of 19 places in 89 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1002 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1316ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 642 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 17 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (551 resets) in 139 ms. (285 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1265665 steps, run timeout after 3001 ms. (steps per millisecond=421 ) properties seen :0 out of 1
Probabilistic random walk after 1265665 steps, saw 176761 distinct states, run finished after 3004 ms. (steps per millisecond=421 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:48:34] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:48:34] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 349 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/462 variables, 8/316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 3/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 52/515 variables, 3/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/515 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 49/564 variables, 49/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:48:35] [INFO ] Deduced a trap composed of 5 places in 71 ms of which 2 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/564 variables, 1/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 375 constraints, problems are : Problem set: 0 solved, 1 unsolved in 713 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1071ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 592 ms.
Support contains 1 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 9 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 311/311 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 8 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2025-05-31 02:48:36] [INFO ] Invariant cache hit.
[2025-05-31 02:48:36] [INFO ] Implicit Places using invariants in 579 ms returned []
[2025-05-31 02:48:36] [INFO ] Invariant cache hit.
[2025-05-31 02:48:37] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 02:48:37] [INFO ] Implicit Places using invariants and state equation in 1112 ms returned []
Implicit Place search using SMT with State Equation took 1698 ms to find 0 implicit places.
[2025-05-31 02:48:37] [INFO ] Redundant transitions in 5 ms returned []
Running 250 sub problems to find dead transitions.
[2025-05-31 02:48:37] [INFO ] Invariant cache hit.
[2025-05-31 02:48:37] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 250 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/310 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 253/563 variables, 310/370 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 250 unsolved
[2025-05-31 02:48:50] [INFO ] Deduced a trap composed of 10 places in 119 ms of which 3 ms to minimize.
[2025-05-31 02:48:50] [INFO ] Deduced a trap composed of 18 places in 133 ms of which 3 ms to minimize.
[2025-05-31 02:48:50] [INFO ] Deduced a trap composed of 16 places in 89 ms of which 2 ms to minimize.
[2025-05-31 02:48:50] [INFO ] Deduced a trap composed of 16 places in 91 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 4/376 constraints. Problems are: Problem set: 0 solved, 250 unsolved
[2025-05-31 02:48:55] [INFO ] Deduced a trap composed of 15 places in 106 ms of which 2 ms to minimize.
[2025-05-31 02:48:55] [INFO ] Deduced a trap composed of 12 places in 82 ms of which 2 ms to minimize.
[2025-05-31 02:48:55] [INFO ] Deduced a trap composed of 11 places in 79 ms of which 2 ms to minimize.
[2025-05-31 02:48:57] [INFO ] Deduced a trap composed of 8 places in 198 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 4/380 constraints. Problems are: Problem set: 0 solved, 250 unsolved
[2025-05-31 02:49:02] [INFO ] Deduced a trap composed of 7 places in 168 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/563 variables, 1/381 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 563/564 variables, and 381 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 310/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 2/310 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 250 unsolved
[2025-05-31 02:49:13] [INFO ] Deduced a trap composed of 50 places in 61 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/310 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 8 (OVERLAPS) 253/563 variables, 310/380 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/563 variables, 2/382 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/563 variables, 250/632 constraints. Problems are: Problem set: 0 solved, 250 unsolved
[2025-05-31 02:49:31] [INFO ] Deduced a trap composed of 6 places in 43 ms of which 1 ms to minimize.
[2025-05-31 02:49:31] [INFO ] Deduced a trap composed of 5 places in 27 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/564 variables, and 634 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 310/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 12/12 constraints]
After SMT, in 60339ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 60344ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62066 ms. Remains : 311/311 places, 253/253 transitions.
Attempting over-approximation, by ignoring read arcs.
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 311 transition count 253
Applied a total of 1 rules in 14 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:49:38] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 02:49:38] [INFO ] [Real]Absence check using 36 positive place invariants in 16 ms returned sat
[2025-05-31 02:49:38] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 38 ms returned sat
[2025-05-31 02:49:38] [INFO ] After 161ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-05-31 02:49:38] [INFO ] [Nat]Absence check using 36 positive place invariants in 15 ms returned sat
[2025-05-31 02:49:38] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 34 ms returned sat
[2025-05-31 02:49:38] [INFO ] After 276ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:49:39] [INFO ] Deduced a trap composed of 6 places in 97 ms of which 3 ms to minimize.
[2025-05-31 02:49:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 137 ms
TRAPS : Iteration 1
[2025-05-31 02:49:39] [INFO ] After 467ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:49:39] [INFO ] After 645ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 835 ms.
RANDOM walk for 40000 steps (518 resets) in 164 ms. (242 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (86 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1116049 steps, run timeout after 3001 ms. (steps per millisecond=371 ) properties seen :0 out of 1
Probabilistic random walk after 1116049 steps, saw 156177 distinct states, run finished after 3001 ms. (steps per millisecond=371 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:49:42] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 02:49:42] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 449 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:49:42] [INFO ] Deduced a trap composed of 7 places in 96 ms of which 3 ms to minimize.
[2025-05-31 02:49:43] [INFO ] Deduced a trap composed of 15 places in 106 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:49:43] [INFO ] Deduced a trap composed of 17 places in 82 ms of which 2 ms to minimize.
[2025-05-31 02:49:43] [INFO ] Deduced a trap composed of 9 places in 89 ms of which 2 ms to minimize.
[2025-05-31 02:49:43] [INFO ] Deduced a trap composed of 19 places in 82 ms of which 2 ms to minimize.
[2025-05-31 02:49:43] [INFO ] Deduced a trap composed of 19 places in 84 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 4/331 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/331 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/381 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 381 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1280 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints]
After SMT, in 1740ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 6710 steps, including 17 resets, run visited all 1 properties in 28 ms. (steps per millisecond=239 )
Parikh walk visited 1 properties in 28 ms.
RANDOM walk for 40000 steps (537 resets) in 146 ms. (272 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (90 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1080480 steps, run timeout after 3001 ms. (steps per millisecond=360 ) properties seen :0 out of 1
Probabilistic random walk after 1080480 steps, saw 151516 distinct states, run finished after 3001 ms. (steps per millisecond=360 ) properties seen :0
[2025-05-31 02:49:47] [INFO ] Invariant cache hit.
[2025-05-31 02:49:47] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 331 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:49:47] [INFO ] Deduced a trap composed of 15 places in 83 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:49:48] [INFO ] Deduced a trap composed of 17 places in 82 ms of which 2 ms to minimize.
[2025-05-31 02:49:48] [INFO ] Deduced a trap composed of 19 places in 94 ms of which 2 ms to minimize.
[2025-05-31 02:49:48] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 976 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1313ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 15309 steps, including 46 resets, run visited all 1 properties in 63 ms. (steps per millisecond=243 )
Parikh walk visited 1 properties in 67 ms.
RANDOM walk for 40000 steps (544 resets) in 146 ms. (272 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1101191 steps, run timeout after 3001 ms. (steps per millisecond=366 ) properties seen :0 out of 1
Probabilistic random walk after 1101191 steps, saw 154107 distinct states, run finished after 3002 ms. (steps per millisecond=366 ) properties seen :0
[2025-05-31 02:49:51] [INFO ] Invariant cache hit.
[2025-05-31 02:49:51] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 318 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:49:52] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 502 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 825ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1607 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=229 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (537 resets) in 149 ms. (266 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (91 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1152794 steps, run timeout after 3001 ms. (steps per millisecond=384 ) properties seen :0 out of 1
Probabilistic random walk after 1152794 steps, saw 161603 distinct states, run finished after 3001 ms. (steps per millisecond=384 ) properties seen :0
[2025-05-31 02:49:55] [INFO ] Invariant cache hit.
[2025-05-31 02:49:55] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 433 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:49:56] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:49:56] [INFO ] Deduced a trap composed of 17 places in 95 ms of which 2 ms to minimize.
[2025-05-31 02:49:56] [INFO ] Deduced a trap composed of 19 places in 89 ms of which 2 ms to minimize.
[2025-05-31 02:49:56] [INFO ] Deduced a trap composed of 18 places in 89 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 955 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1395ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 18602 steps, including 58 resets, run visited all 1 properties in 76 ms. (steps per millisecond=244 )
Parikh walk visited 1 properties in 75 ms.
RANDOM walk for 40000 steps (538 resets) in 200 ms. (199 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 82 ms. (481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1069713 steps, run timeout after 3001 ms. (steps per millisecond=356 ) properties seen :0 out of 1
Probabilistic random walk after 1069713 steps, saw 150346 distinct states, run finished after 3001 ms. (steps per millisecond=356 ) properties seen :0
[2025-05-31 02:49:59] [INFO ] Invariant cache hit.
[2025-05-31 02:49:59] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 357 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:00] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 662 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1026ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1487 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=212 )
Parikh walk visited 1 properties in 6 ms.
RANDOM walk for 40000 steps (538 resets) in 197 ms. (202 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (79 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1092149 steps, run timeout after 3001 ms. (steps per millisecond=363 ) properties seen :0 out of 1
Probabilistic random walk after 1092149 steps, saw 152910 distinct states, run finished after 3001 ms. (steps per millisecond=363 ) properties seen :0
[2025-05-31 02:50:04] [INFO ] Invariant cache hit.
[2025-05-31 02:50:04] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 338 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:04] [INFO ] Deduced a trap composed of 15 places in 78 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:05] [INFO ] Deduced a trap composed of 17 places in 73 ms of which 2 ms to minimize.
[2025-05-31 02:50:05] [INFO ] Deduced a trap composed of 19 places in 81 ms of which 2 ms to minimize.
[2025-05-31 02:50:05] [INFO ] Deduced a trap composed of 17 places in 77 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 930 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1273ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 31606 steps, including 110 resets, run visited all 1 properties in 130 ms. (steps per millisecond=243 )
Parikh walk visited 1 properties in 130 ms.
RANDOM walk for 40000 steps (537 resets) in 198 ms. (201 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (92 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1031179 steps, run timeout after 3001 ms. (steps per millisecond=343 ) properties seen :0 out of 1
Probabilistic random walk after 1031179 steps, saw 145614 distinct states, run finished after 3001 ms. (steps per millisecond=343 ) properties seen :0
[2025-05-31 02:50:08] [INFO ] Invariant cache hit.
[2025-05-31 02:50:08] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 390 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:09] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 636 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1032ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1380 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=197 )
Parikh walk visited 1 properties in 6 ms.
RANDOM walk for 40000 steps (527 resets) in 195 ms. (204 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (90 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1121550 steps, run timeout after 3001 ms. (steps per millisecond=373 ) properties seen :0 out of 1
Probabilistic random walk after 1121550 steps, saw 156916 distinct states, run finished after 3004 ms. (steps per millisecond=373 ) properties seen :0
[2025-05-31 02:50:12] [INFO ] Invariant cache hit.
[2025-05-31 02:50:12] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:13] [INFO ] Deduced a trap composed of 16 places in 101 ms of which 2 ms to minimize.
[2025-05-31 02:50:13] [INFO ] Deduced a trap composed of 18 places in 122 ms of which 3 ms to minimize.
[2025-05-31 02:50:13] [INFO ] Deduced a trap composed of 19 places in 73 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 3/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 50/566 variables, 50/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:13] [INFO ] Deduced a trap composed of 9 places in 107 ms of which 3 ms to minimize.
[2025-05-31 02:50:13] [INFO ] Deduced a trap composed of 6 places in 124 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 2/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1070 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:14] [INFO ] Deduced a trap composed of 17 places in 94 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 5/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/262 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 254/516 variables, 262/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 2/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 1/331 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:14] [INFO ] Deduced a trap composed of 18 places in 83 ms of which 2 ms to minimize.
[2025-05-31 02:50:14] [INFO ] Deduced a trap composed of 17 places in 88 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 2/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/516 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 50/566 variables, 50/383 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/566 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 383 constraints, problems are : Problem set: 0 solved, 1 unsolved in 958 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints]
After SMT, in 2038ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1345 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=192 )
Parikh walk visited 1 properties in 6 ms.
RANDOM walk for 40000 steps (528 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (85 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1155527 steps, run timeout after 3001 ms. (steps per millisecond=385 ) properties seen :0 out of 1
Probabilistic random walk after 1155527 steps, saw 162000 distinct states, run finished after 3004 ms. (steps per millisecond=384 ) properties seen :0
[2025-05-31 02:50:17] [INFO ] Invariant cache hit.
[2025-05-31 02:50:17] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 304 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:18] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:18] [INFO ] Deduced a trap composed of 16 places in 75 ms of which 2 ms to minimize.
[2025-05-31 02:50:18] [INFO ] Deduced a trap composed of 17 places in 75 ms of which 2 ms to minimize.
[2025-05-31 02:50:18] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 639 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 948ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 17446 steps, including 52 resets, run visited all 1 properties in 43 ms. (steps per millisecond=405 )
Parikh walk visited 1 properties in 43 ms.
RANDOM walk for 40000 steps (541 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (84 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1220505 steps, run timeout after 3001 ms. (steps per millisecond=406 ) properties seen :0 out of 1
Probabilistic random walk after 1220505 steps, saw 170924 distinct states, run finished after 3002 ms. (steps per millisecond=406 ) properties seen :0
[2025-05-31 02:50:21] [INFO ] Invariant cache hit.
[2025-05-31 02:50:21] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:22] [INFO ] Deduced a trap composed of 16 places in 115 ms of which 3 ms to minimize.
[2025-05-31 02:50:22] [INFO ] Deduced a trap composed of 17 places in 120 ms of which 2 ms to minimize.
[2025-05-31 02:50:22] [INFO ] Deduced a trap composed of 18 places in 86 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 3/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 50/566 variables, 50/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 821 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:22] [INFO ] Deduced a trap composed of 15 places in 74 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/262 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 254/516 variables, 262/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 1/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 626 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1454ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1294 steps, including 1 resets, run visited all 1 properties in 6 ms. (steps per millisecond=215 )
Parikh walk visited 1 properties in 6 ms.
RANDOM walk for 40000 steps (522 resets) in 166 ms. (239 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (84 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1150543 steps, run timeout after 3001 ms. (steps per millisecond=383 ) properties seen :0 out of 1
Probabilistic random walk after 1150543 steps, saw 161297 distinct states, run finished after 3001 ms. (steps per millisecond=383 ) properties seen :0
[2025-05-31 02:50:26] [INFO ] Invariant cache hit.
[2025-05-31 02:50:26] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 339 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:26] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:27] [INFO ] Deduced a trap composed of 7 places in 75 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 674 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1016ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 462 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 28 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (543 resets) in 157 ms. (253 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1180893 steps, run timeout after 3001 ms. (steps per millisecond=393 ) properties seen :0 out of 1
Probabilistic random walk after 1180893 steps, saw 165398 distinct states, run finished after 3001 ms. (steps per millisecond=393 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:50:31] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:50:31] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 340 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/462 variables, 8/316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 3/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:31] [INFO ] Deduced a trap composed of 15 places in 130 ms of which 3 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/463 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:50:32] [INFO ] Deduced a trap composed of 18 places in 79 ms of which 2 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 52/515 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/515 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 49/564 variables, 49/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 836 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1184ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 406 ms.
Support contains 1 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 8 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 311/311 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 9 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2025-05-31 02:50:32] [INFO ] Invariant cache hit.
[2025-05-31 02:50:33] [INFO ] Implicit Places using invariants in 543 ms returned []
[2025-05-31 02:50:33] [INFO ] Invariant cache hit.
[2025-05-31 02:50:33] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 02:50:34] [INFO ] Implicit Places using invariants and state equation in 1026 ms returned []
Implicit Place search using SMT with State Equation took 1576 ms to find 0 implicit places.
[2025-05-31 02:50:34] [INFO ] Redundant transitions in 3 ms returned []
Running 250 sub problems to find dead transitions.
[2025-05-31 02:50:34] [INFO ] Invariant cache hit.
[2025-05-31 02:50:34] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 250 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/310 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 253/563 variables, 310/370 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 250 unsolved
[2025-05-31 02:50:45] [INFO ] Deduced a trap composed of 10 places in 108 ms of which 3 ms to minimize.
[2025-05-31 02:50:46] [INFO ] Deduced a trap composed of 18 places in 138 ms of which 2 ms to minimize.
[2025-05-31 02:50:46] [INFO ] Deduced a trap composed of 16 places in 95 ms of which 2 ms to minimize.
[2025-05-31 02:50:46] [INFO ] Deduced a trap composed of 16 places in 81 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 4/376 constraints. Problems are: Problem set: 0 solved, 250 unsolved
[2025-05-31 02:50:50] [INFO ] Deduced a trap composed of 15 places in 126 ms of which 3 ms to minimize.
[2025-05-31 02:50:50] [INFO ] Deduced a trap composed of 12 places in 89 ms of which 2 ms to minimize.
[2025-05-31 02:50:51] [INFO ] Deduced a trap composed of 11 places in 88 ms of which 2 ms to minimize.
[2025-05-31 02:50:52] [INFO ] Deduced a trap composed of 8 places in 154 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 4/380 constraints. Problems are: Problem set: 0 solved, 250 unsolved
[2025-05-31 02:50:58] [INFO ] Deduced a trap composed of 7 places in 162 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/563 variables, 1/381 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 563/564 variables, and 381 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 310/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 2/310 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 250 unsolved
[2025-05-31 02:51:10] [INFO ] Deduced a trap composed of 50 places in 54 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/310 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 8 (OVERLAPS) 253/563 variables, 310/380 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/563 variables, 2/382 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/563 variables, 250/632 constraints. Problems are: Problem set: 0 solved, 250 unsolved
[2025-05-31 02:51:29] [INFO ] Deduced a trap composed of 6 places in 67 ms of which 2 ms to minimize.
[2025-05-31 02:51:29] [INFO ] Deduced a trap composed of 5 places in 42 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/564 variables, and 634 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 310/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 12/12 constraints]
After SMT, in 60343ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 60348ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61946 ms. Remains : 311/311 places, 253/253 transitions.
Attempting over-approximation, by ignoring read arcs.
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 311 transition count 253
Applied a total of 1 rules in 11 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:51:34] [INFO ] Computed 60 invariants in 6 ms
[2025-05-31 02:51:34] [INFO ] [Real]Absence check using 36 positive place invariants in 15 ms returned sat
[2025-05-31 02:51:34] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 36 ms returned sat
[2025-05-31 02:51:34] [INFO ] After 146ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-05-31 02:51:34] [INFO ] [Nat]Absence check using 36 positive place invariants in 15 ms returned sat
[2025-05-31 02:51:34] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 36 ms returned sat
[2025-05-31 02:51:35] [INFO ] After 306ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:51:35] [INFO ] After 339ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:51:35] [INFO ] After 511ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 679 ms.
RANDOM walk for 40000 steps (543 resets) in 153 ms. (259 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (84 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1241478 steps, run timeout after 3001 ms. (steps per millisecond=413 ) properties seen :0 out of 1
Probabilistic random walk after 1241478 steps, saw 173613 distinct states, run finished after 3004 ms. (steps per millisecond=413 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:51:38] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 02:51:38] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 396 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:51:38] [INFO ] Deduced a trap composed of 15 places in 137 ms of which 3 ms to minimize.
[2025-05-31 02:51:39] [INFO ] Deduced a trap composed of 7 places in 118 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 655 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1064ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1135 steps, including 1 resets, run visited all 1 properties in 3 ms. (steps per millisecond=378 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (555 resets) in 155 ms. (256 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (92 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1220394 steps, run timeout after 3001 ms. (steps per millisecond=406 ) properties seen :0 out of 1
Probabilistic random walk after 1220394 steps, saw 170915 distinct states, run finished after 3001 ms. (steps per millisecond=406 ) properties seen :0
[2025-05-31 02:51:42] [INFO ] Invariant cache hit.
[2025-05-31 02:51:42] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 450 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:51:43] [INFO ] Deduced a trap composed of 15 places in 72 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:51:43] [INFO ] Deduced a trap composed of 17 places in 69 ms of which 2 ms to minimize.
[2025-05-31 02:51:43] [INFO ] Deduced a trap composed of 19 places in 77 ms of which 2 ms to minimize.
[2025-05-31 02:51:43] [INFO ] Deduced a trap composed of 17 places in 75 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 871 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1326ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 3801 steps, including 10 resets, run visited all 1 properties in 21 ms. (steps per millisecond=181 )
Parikh walk visited 1 properties in 20 ms.
RANDOM walk for 40000 steps (559 resets) in 231 ms. (172 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (90 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1168261 steps, run timeout after 3001 ms. (steps per millisecond=389 ) properties seen :0 out of 1
Probabilistic random walk after 1168261 steps, saw 163786 distinct states, run finished after 3001 ms. (steps per millisecond=389 ) properties seen :0
[2025-05-31 02:51:46] [INFO ] Invariant cache hit.
[2025-05-31 02:51:46] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 515 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:51:47] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:51:48] [INFO ] Deduced a trap composed of 17 places in 90 ms of which 1 ms to minimize.
[2025-05-31 02:51:48] [INFO ] Deduced a trap composed of 17 places in 145 ms of which 3 ms to minimize.
[2025-05-31 02:51:48] [INFO ] Deduced a trap composed of 19 places in 68 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1076 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1606ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 413 ms.
Support contains 1 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 253
Applied a total of 2 rules in 25 ms. Remains 311 /312 variables (removed 1) and now considering 253/254 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 311/312 places, 253/254 transitions.
RANDOM walk for 40000 steps (553 resets) in 151 ms. (263 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1085434 steps, run timeout after 3001 ms. (steps per millisecond=361 ) properties seen :0 out of 1
Probabilistic random walk after 1085434 steps, saw 152117 distinct states, run finished after 3001 ms. (steps per millisecond=361 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-05-31 02:51:51] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 02:51:52] [INFO ] State equation strengthened by 2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 340 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/462 variables, 8/316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 3/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 52/515 variables, 3/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/515 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 49/564 variables, 49/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/564 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/564 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 508 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 856ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1062 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=212 )
Parikh walk visited 1 properties in 5 ms.
RANDOM walk for 40000 steps (513 resets) in 149 ms. (266 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (87 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1171184 steps, run timeout after 3001 ms. (steps per millisecond=390 ) properties seen :0 out of 1
Probabilistic random walk after 1171184 steps, saw 164128 distinct states, run finished after 3001 ms. (steps per millisecond=390 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-05-31 02:51:55] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 02:51:55] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 497 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:51:56] [INFO ] Deduced a trap composed of 15 places in 130 ms of which 3 ms to minimize.
[2025-05-31 02:51:56] [INFO ] Deduced a trap composed of 7 places in 110 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 698 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1206ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 963 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=192 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (539 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (94 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1175885 steps, run timeout after 3001 ms. (steps per millisecond=391 ) properties seen :0 out of 1
Probabilistic random walk after 1175885 steps, saw 164716 distinct states, run finished after 3001 ms. (steps per millisecond=391 ) properties seen :0
[2025-05-31 02:52:00] [INFO ] Invariant cache hit.
[2025-05-31 02:52:00] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 357 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:00] [INFO ] Deduced a trap composed of 17 places in 81 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:01] [INFO ] Deduced a trap composed of 17 places in 82 ms of which 2 ms to minimize.
[2025-05-31 02:52:01] [INFO ] Deduced a trap composed of 19 places in 88 ms of which 2 ms to minimize.
[2025-05-31 02:52:01] [INFO ] Deduced a trap composed of 18 places in 85 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 899 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1263ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 8725 steps, including 25 resets, run visited all 1 properties in 35 ms. (steps per millisecond=249 )
Parikh walk visited 1 properties in 36 ms.
RANDOM walk for 40000 steps (541 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (88 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1037477 steps, run timeout after 3001 ms. (steps per millisecond=345 ) properties seen :0 out of 1
Probabilistic random walk after 1037477 steps, saw 146395 distinct states, run finished after 3001 ms. (steps per millisecond=345 ) properties seen :0
[2025-05-31 02:52:04] [INFO ] Invariant cache hit.
[2025-05-31 02:52:04] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 523 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:05] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 582 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1110ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 872 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=218 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (547 resets) in 161 ms. (246 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (94 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1116732 steps, run timeout after 3001 ms. (steps per millisecond=372 ) properties seen :0 out of 1
Probabilistic random walk after 1116732 steps, saw 156263 distinct states, run finished after 3001 ms. (steps per millisecond=372 ) properties seen :0
[2025-05-31 02:52:08] [INFO ] Invariant cache hit.
[2025-05-31 02:52:08] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 603 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:09] [INFO ] Deduced a trap composed of 17 places in 90 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 518 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1129ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 835 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=167 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (528 resets) in 156 ms. (254 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (94 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1102961 steps, run timeout after 3001 ms. (steps per millisecond=367 ) properties seen :0 out of 1
Probabilistic random walk after 1102961 steps, saw 154318 distinct states, run finished after 3001 ms. (steps per millisecond=367 ) properties seen :0
[2025-05-31 02:52:12] [INFO ] Invariant cache hit.
[2025-05-31 02:52:12] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 295 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:13] [INFO ] Deduced a trap composed of 17 places in 56 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 408 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 711ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 791 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=197 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (556 resets) in 162 ms. (245 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (93 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 934687 steps, run timeout after 3001 ms. (steps per millisecond=311 ) properties seen :0 out of 1
Probabilistic random walk after 934687 steps, saw 132878 distinct states, run finished after 3001 ms. (steps per millisecond=311 ) properties seen :0
[2025-05-31 02:52:16] [INFO ] Invariant cache hit.
[2025-05-31 02:52:16] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 468 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:17] [INFO ] Deduced a trap composed of 15 places in 82 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:17] [INFO ] Deduced a trap composed of 17 places in 103 ms of which 3 ms to minimize.
[2025-05-31 02:52:17] [INFO ] Deduced a trap composed of 18 places in 112 ms of which 2 ms to minimize.
[2025-05-31 02:52:17] [INFO ] Deduced a trap composed of 19 places in 83 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 860 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1334ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 7449 steps, including 22 resets, run visited all 1 properties in 30 ms. (steps per millisecond=248 )
Parikh walk visited 1 properties in 30 ms.
RANDOM walk for 40000 steps (540 resets) in 157 ms. (253 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (94 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1208600 steps, run timeout after 3001 ms. (steps per millisecond=402 ) properties seen :0 out of 1
Probabilistic random walk after 1208600 steps, saw 169281 distinct states, run finished after 3001 ms. (steps per millisecond=402 ) properties seen :0
[2025-05-31 02:52:21] [INFO ] Invariant cache hit.
[2025-05-31 02:52:21] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 480 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:21] [INFO ] Deduced a trap composed of 15 places in 80 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:22] [INFO ] Deduced a trap composed of 17 places in 82 ms of which 2 ms to minimize.
[2025-05-31 02:52:22] [INFO ] Deduced a trap composed of 19 places in 95 ms of which 2 ms to minimize.
[2025-05-31 02:52:22] [INFO ] Deduced a trap composed of 18 places in 95 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 946 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1430ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 14407 steps, including 46 resets, run visited all 1 properties in 58 ms. (steps per millisecond=248 )
Parikh walk visited 1 properties in 58 ms.
RANDOM walk for 40000 steps (545 resets) in 191 ms. (208 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (95 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1062735 steps, run timeout after 3001 ms. (steps per millisecond=354 ) properties seen :0 out of 1
Probabilistic random walk after 1062735 steps, saw 149502 distinct states, run finished after 3001 ms. (steps per millisecond=354 ) properties seen :0
[2025-05-31 02:52:25] [INFO ] Invariant cache hit.
[2025-05-31 02:52:25] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 486 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:26] [INFO ] Deduced a trap composed of 15 places in 82 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:26] [INFO ] Deduced a trap composed of 17 places in 85 ms of which 3 ms to minimize.
[2025-05-31 02:52:26] [INFO ] Deduced a trap composed of 19 places in 104 ms of which 2 ms to minimize.
[2025-05-31 02:52:27] [INFO ] Deduced a trap composed of 18 places in 99 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 3/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 972 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1464ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 10828 steps, including 34 resets, run visited all 1 properties in 44 ms. (steps per millisecond=246 )
Parikh walk visited 1 properties in 43 ms.
RANDOM walk for 40000 steps (530 resets) in 170 ms. (233 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1157187 steps, run timeout after 3001 ms. (steps per millisecond=385 ) properties seen :0 out of 1
Probabilistic random walk after 1157187 steps, saw 162237 distinct states, run finished after 3001 ms. (steps per millisecond=385 ) properties seen :0
[2025-05-31 02:52:30] [INFO ] Invariant cache hit.
[2025-05-31 02:52:30] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 415 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:30] [INFO ] Deduced a trap composed of 17 places in 88 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:31] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 2 ms to minimize.
[2025-05-31 02:52:31] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 720 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1140ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 6626 steps, including 20 resets, run visited all 1 properties in 23 ms. (steps per millisecond=288 )
Parikh walk visited 1 properties in 23 ms.
RANDOM walk for 40000 steps (548 resets) in 167 ms. (238 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (84 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1092767 steps, run timeout after 3001 ms. (steps per millisecond=364 ) properties seen :0 out of 1
Probabilistic random walk after 1092767 steps, saw 152982 distinct states, run finished after 3001 ms. (steps per millisecond=364 ) properties seen :0
[2025-05-31 02:52:34] [INFO ] Invariant cache hit.
[2025-05-31 02:52:34] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 567 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:35] [INFO ] Deduced a trap composed of 17 places in 77 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 622 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1195ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 519 steps, including 1 resets, run visited all 1 properties in 3 ms. (steps per millisecond=173 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (553 resets) in 202 ms. (197 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (96 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1115098 steps, run timeout after 3001 ms. (steps per millisecond=371 ) properties seen :0 out of 1
Probabilistic random walk after 1115098 steps, saw 156045 distinct states, run finished after 3004 ms. (steps per millisecond=371 ) properties seen :0
[2025-05-31 02:52:38] [INFO ] Invariant cache hit.
[2025-05-31 02:52:38] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:39] [INFO ] Deduced a trap composed of 17 places in 52 ms of which 2 ms to minimize.
[2025-05-31 02:52:39] [INFO ] Deduced a trap composed of 19 places in 58 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 431 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:39] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/262 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 254/516 variables, 262/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 2/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 1/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 460 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 896ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 817 steps, including 2 resets, run visited all 1 properties in 5 ms. (steps per millisecond=163 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (533 resets) in 174 ms. (228 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (87 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1095546 steps, run timeout after 3001 ms. (steps per millisecond=365 ) properties seen :0 out of 1
Probabilistic random walk after 1095546 steps, saw 153291 distinct states, run finished after 3001 ms. (steps per millisecond=365 ) properties seen :0
[2025-05-31 02:52:42] [INFO ] Invariant cache hit.
[2025-05-31 02:52:42] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:43] [INFO ] Deduced a trap composed of 17 places in 74 ms of which 3 ms to minimize.
[2025-05-31 02:52:43] [INFO ] Deduced a trap composed of 19 places in 73 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 614 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:43] [INFO ] Deduced a trap composed of 15 places in 78 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/262 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 254/516 variables, 262/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 2/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 1/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 616 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1235ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 463 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=231 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (547 resets) in 170 ms. (233 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1153063 steps, run timeout after 3001 ms. (steps per millisecond=384 ) properties seen :0 out of 1
Probabilistic random walk after 1153063 steps, saw 161647 distinct states, run finished after 3001 ms. (steps per millisecond=384 ) properties seen :0
[2025-05-31 02:52:47] [INFO ] Invariant cache hit.
[2025-05-31 02:52:47] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 385 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:47] [INFO ] Deduced a trap composed of 15 places in 78 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:48] [INFO ] Deduced a trap composed of 17 places in 80 ms of which 3 ms to minimize.
[2025-05-31 02:52:48] [INFO ] Deduced a trap composed of 19 places in 95 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 1 unsolved in 747 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1151ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 428 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=214 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (532 resets) in 203 ms. (196 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (86 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1188775 steps, run timeout after 3001 ms. (steps per millisecond=396 ) properties seen :0 out of 1
Probabilistic random walk after 1188775 steps, saw 166400 distinct states, run finished after 3001 ms. (steps per millisecond=396 ) properties seen :0
[2025-05-31 02:52:51] [INFO ] Invariant cache hit.
[2025-05-31 02:52:51] [INFO ] State equation strengthened by 2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/262 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 460 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 183/184 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/244 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:52] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/262 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 02:52:52] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/516 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 50/566 variables, 50/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 643 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1107ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 369 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=184 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (530 resets) in 193 ms. (206 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (94 resets) in 74 ms. (533 steps per ms) remains 1/1 properties

BK_TIME_CONFINEMENT_REACHED

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DES-PT-50a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2024"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool gold2024"
echo " Input is DES-PT-50a, 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 r070-smll-174854076500217"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-50a.tgz
mv DES-PT-50a execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "QuasiLiveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;