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-174854076500227.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-60a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r070-smll-174854076500227
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 592K
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K 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 3.6K 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 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K 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 110K 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 1748660108740

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-60a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-31 02:55:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-31 02:55:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 02:55:11] [INFO ] Load time of PNML (sax parser for PT used): 214 ms
[2025-05-31 02:55:11] [INFO ] Transformed 354 places.
[2025-05-31 02:55:11] [INFO ] Transformed 311 transitions.
[2025-05-31 02:55:11] [INFO ] Found NUPN structural information;
[2025-05-31 02:55:11] [INFO ] Parsed PT model containing 354 places and 311 transitions and 1496 arcs in 508 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 354/354 places, 311/311 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 354 transition count 297
Applied a total of 14 rules in 88 ms. Remains 354 /354 variables (removed 0) and now considering 297/311 (removed 14) transitions.
// Phase 1: matrix 297 rows 354 cols
[2025-05-31 02:55:12] [INFO ] Computed 59 invariants in 69 ms
[2025-05-31 02:55:13] [INFO ] Implicit Places using invariants in 1504 ms returned [251]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1576 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 353/354 places, 297/311 transitions.
Applied a total of 0 rules in 22 ms. Remains 353 /353 variables (removed 0) and now considering 297/297 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1729 ms. Remains : 353/354 places, 297/311 transitions.
Discarding 9 transitions out of 297. Remains 288
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (897 resets) in 4485 ms. (8 steps per ms) remains 224/287 properties
BEST_FIRST walk for 403 steps (8 resets) in 22 ms. (17 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 21 ms. (18 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 24 ms. (16 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 27 ms. (14 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 21 ms. (18 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 21 ms. (18 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 224/224 properties
BEST_FIRST walk for 402 steps (8 resets) in 11 ms. (33 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 29 ms. (13 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 402 steps (8 resets) in 10 ms. (36 steps per ms) remains 224/224 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 402 steps (8 resets) in 10 ms. (36 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
// Phase 1: matrix 297 rows 353 cols
[2025-05-31 02:55:15] [INFO ] Computed 58 invariants in 19 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/229 variables, 229/229 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/229 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 10/239 variables, 6/235 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/239 variables, 10/245 constraints. Problems are: Problem set: 0 solved, 224 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/650 variables, and 245 constraints, problems are : Problem set: 0 solved, 224 unsolved in 5046 ms.
Refiners :[Domain max(s): 239/353 constraints, Positive P Invariants (semi-flows): 6/33 constraints, Generalized P Invariants (flows): 0/25 constraints, State Equation: 0/353 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/229 variables, 229/229 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/229 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 10/239 variables, 6/235 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/239 variables, 10/245 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 64/303 variables, 27/272 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 64/336 constraints. Problems are: Problem set: 0 solved, 224 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 Int declared 303/650 variables, and 336 constraints, problems are : Problem set: 0 solved, 224 unsolved in 5022 ms.
Refiners :[Domain max(s): 303/353 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 0/25 constraints, State Equation: 0/353 constraints, PredecessorRefiner: 0/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 11108ms problems are : Problem set: 0 solved, 224 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 229 out of 353 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 353/353 places, 297/297 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 353 transition count 295
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 352 transition count 294
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 352 transition count 294
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 352 transition count 294
Applied a total of 8 rules in 104 ms. Remains 352 /353 variables (removed 1) and now considering 294/297 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 104 ms. Remains : 352/353 places, 294/297 transitions.
RANDOM walk for 4000000 steps (53766 resets) in 69706 ms. (57 steps per ms) remains 212/224 properties
BEST_FIRST walk for 40004 steps (80 resets) in 236 ms. (168 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40002 steps (91 resets) in 214 ms. (186 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40002 steps (89 resets) in 282 ms. (141 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (95 resets) in 230 ms. (173 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (88 resets) in 260 ms. (153 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (90 resets) in 214 ms. (186 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (97 resets) in 145 ms. (273 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (92 resets) in 144 ms. (275 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (89 resets) in 142 ms. (279 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (92 resets) in 151 ms. (263 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (96 resets) in 143 ms. (277 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (96 resets) in 142 ms. (279 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (86 resets) in 142 ms. (279 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (95 resets) in 143 ms. (277 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (78 resets) in 142 ms. (279 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (94 resets) in 143 ms. (277 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (90 resets) in 144 ms. (275 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (94 resets) in 144 ms. (275 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (91 resets) in 143 ms. (277 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (96 resets) in 146 ms. (272 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40002 steps (89 resets) in 147 ms. (270 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (95 resets) in 143 ms. (277 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (84 resets) in 141 ms. (281 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40002 steps (94 resets) in 142 ms. (279 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (93 resets) in 143 ms. (277 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (93 resets) in 148 ms. (268 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40002 steps (80 resets) in 140 ms. (283 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (83 resets) in 141 ms. (281 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (92 resets) in 142 ms. (279 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (83 resets) in 139 ms. (285 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (92 resets) in 142 ms. (279 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (93 resets) in 147 ms. (270 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (82 resets) in 142 ms. (279 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (91 resets) in 140 ms. (283 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (80 resets) in 140 ms. (283 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (93 resets) in 144 ms. (275 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (92 resets) in 143 ms. (277 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (91 resets) in 141 ms. (281 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (92 resets) in 141 ms. (281 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (88 resets) in 141 ms. (281 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (85 resets) in 142 ms. (279 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (88 resets) in 148 ms. (268 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (89 resets) in 142 ms. (279 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (90 resets) in 143 ms. (277 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (87 resets) in 140 ms. (283 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (84 resets) in 142 ms. (279 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (89 resets) in 143 ms. (277 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40003 steps (80 resets) in 140 ms. (283 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (95 resets) in 144 ms. (275 steps per ms) remains 212/212 properties
BEST_FIRST walk for 40004 steps (85 resets) in 142 ms. (279 steps per ms) remains 212/212 properties
Interrupted probabilistic random walk after 8259788 steps, run timeout after 60001 ms. (steps per millisecond=137 ) properties seen :0 out of 212
Probabilistic random walk after 8259788 steps, saw 1050214 distinct states, run finished after 60010 ms. (steps per millisecond=137 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 02:56:46] [INFO ] Computed 60 invariants in 9 ms
[2025-05-31 02:56:46] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/217 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (OVERLAPS) 10/227 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/227 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (OVERLAPS) 72/299 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/299 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (OVERLAPS) 44/343 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 212 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/343 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (OVERLAPS) 294/637 variables, 343/403 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/637 variables, 2/405 constraints. Problems are: Problem set: 0 solved, 212 unsolved
[2025-05-31 02:57:00] [INFO ] Deduced a trap composed of 17 places in 175 ms of which 29 ms to minimize.
[2025-05-31 02:57:00] [INFO ] Deduced a trap composed of 18 places in 156 ms of which 4 ms to minimize.
[2025-05-31 02:57:00] [INFO ] Deduced a trap composed of 17 places in 134 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/637 variables, 3/408 constraints. Problems are: Problem set: 0 solved, 212 unsolved
[2025-05-31 02:57:07] [INFO ] Deduced a trap composed of 12 places in 124 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/637 variables, 1/409 constraints. Problems are: Problem set: 0 solved, 212 unsolved
[2025-05-31 02:57:12] [INFO ] Deduced a trap composed of 11 places in 147 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/637 variables, 1/410 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/637 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 13 (OVERLAPS) 9/646 variables, 9/419 constraints. Problems are: Problem set: 0 solved, 212 unsolved
[2025-05-31 02:57:30] [INFO ] Deduced a trap composed of 7 places in 216 ms of which 5 ms to minimize.
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 646/646 variables, and 420 constraints, problems are : Problem set: 0 solved, 212 unsolved in 45017 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 212/212 constraints, Known Traps: 6/6 constraints]
Escalating to Integer solving :Problem set: 0 solved, 212 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/217 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (OVERLAPS) 10/227 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/227 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (OVERLAPS) 72/299 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/299 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/299 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 6 (OVERLAPS) 44/343 variables, 24/61 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/343 variables, 5/66 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 9 (OVERLAPS) 294/637 variables, 343/409 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/637 variables, 2/411 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/637 variables, 55/466 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 637/646 variables, and 466 constraints, problems are : Problem set: 0 solved, 212 unsolved in 45018 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 343/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 55/212 constraints, Known Traps: 6/6 constraints]
After SMT, in 90365ms problems are : Problem set: 0 solved, 212 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 217 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 28 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 352/352 places, 294/294 transitions.
RANDOM walk for 4000000 steps (53984 resets) in 66725 ms. (59 steps per ms) remains 209/212 properties
BEST_FIRST walk for 40003 steps (91 resets) in 196 ms. (203 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (85 resets) in 251 ms. (158 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (90 resets) in 191 ms. (208 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (88 resets) in 196 ms. (203 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (96 resets) in 291 ms. (137 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (88 resets) in 196 ms. (203 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (89 resets) in 289 ms. (137 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (90 resets) in 266 ms. (149 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (90 resets) in 312 ms. (127 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (91 resets) in 355 ms. (112 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (92 resets) in 255 ms. (156 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (85 resets) in 230 ms. (173 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (91 resets) in 204 ms. (195 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (91 resets) in 278 ms. (143 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (96 resets) in 230 ms. (173 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (92 resets) in 307 ms. (129 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (91 resets) in 221 ms. (180 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (86 resets) in 214 ms. (186 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (93 resets) in 192 ms. (207 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (98 resets) in 210 ms. (189 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (91 resets) in 263 ms. (151 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (88 resets) in 233 ms. (170 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (94 resets) in 211 ms. (188 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (88 resets) in 228 ms. (174 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (84 resets) in 234 ms. (170 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (86 resets) in 315 ms. (126 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (92 resets) in 269 ms. (148 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (90 resets) in 258 ms. (154 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (95 resets) in 292 ms. (136 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (88 resets) in 224 ms. (177 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (98 resets) in 255 ms. (156 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (92 resets) in 231 ms. (172 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (99 resets) in 283 ms. (140 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (87 resets) in 287 ms. (138 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (84 resets) in 204 ms. (195 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (96 resets) in 193 ms. (206 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (90 resets) in 210 ms. (189 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (88 resets) in 220 ms. (181 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (93 resets) in 213 ms. (186 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (95 resets) in 278 ms. (143 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (93 resets) in 215 ms. (185 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (89 resets) in 222 ms. (179 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (92 resets) in 250 ms. (159 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (87 resets) in 217 ms. (183 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (98 resets) in 286 ms. (139 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (97 resets) in 258 ms. (154 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (92 resets) in 219 ms. (181 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (84 resets) in 273 ms. (145 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (96 resets) in 214 ms. (186 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (91 resets) in 208 ms. (191 steps per ms) remains 209/209 properties
Interrupted probabilistic random walk after 6109322 steps, run timeout after 63001 ms. (steps per millisecond=96 ) properties seen :0 out of 209
Probabilistic random walk after 6109322 steps, saw 780193 distinct states, run finished after 63005 ms. (steps per millisecond=96 ) properties seen :0
[2025-05-31 02:59:41] [INFO ] Invariant cache hit.
[2025-05-31 02:59:41] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/214 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 1 (OVERLAPS) 10/224 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 3 (OVERLAPS) 72/296 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/296 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 5 (OVERLAPS) 45/341 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 209 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 7 (OVERLAPS) 294/635 variables, 341/401 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/635 variables, 2/403 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/635 variables, 0/403 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 10 (OVERLAPS) 11/646 variables, 11/414 constraints. Problems are: Problem set: 0 solved, 209 unsolved
[2025-05-31 03:00:18] [INFO ] Deduced a trap composed of 9 places in 72 ms of which 2 ms to minimize.
[2025-05-31 03:00:18] [INFO ] Deduced a trap composed of 9 places in 112 ms of which 4 ms to minimize.
[2025-05-31 03:00:18] [INFO ] Deduced a trap composed of 13 places in 236 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 3/417 constraints. Problems are: Problem set: 0 solved, 209 unsolved
[2025-05-31 03:00:25] [INFO ] Deduced a trap composed of 11 places in 259 ms of which 5 ms to minimize.
[2025-05-31 03:00:28] [INFO ] Deduced a trap composed of 16 places in 89 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 2/419 constraints. Problems are: Problem set: 0 solved, 209 unsolved
[2025-05-31 03:00:33] [INFO ] Deduced a trap composed of 19 places in 98 ms of which 2 ms to minimize.
[2025-05-31 03:00:34] [INFO ] Deduced a trap composed of 19 places in 137 ms of which 3 ms to minimize.
[2025-05-31 03:00:34] [INFO ] Deduced a trap composed of 17 places in 149 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 3/422 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 209 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 422 constraints, problems are : Problem set: 0 solved, 209 unsolved in 74721 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 209/209 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 209 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/214 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 1 (OVERLAPS) 10/224 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 3 (OVERLAPS) 72/296 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/296 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 5 (OVERLAPS) 45/341 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 6/66 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/341 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 8 (OVERLAPS) 294/635 variables, 341/407 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/635 variables, 2/409 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/635 variables, 54/463 constraints. Problems are: Problem set: 0 solved, 209 unsolved
[2025-05-31 03:01:42] [INFO ] Deduced a trap composed of 8 places in 166 ms of which 4 ms to minimize.
[2025-05-31 03:01:46] [INFO ] Deduced a trap composed of 7 places in 66 ms of which 5 ms to minimize.
[2025-05-31 03:01:50] [INFO ] Deduced a trap composed of 12 places in 98 ms of which 3 ms to minimize.
[2025-05-31 03:01:55] [INFO ] Deduced a trap composed of 18 places in 183 ms of which 6 ms to minimize.
[2025-05-31 03:01:57] [INFO ] Deduced a trap composed of 19 places in 257 ms of which 5 ms to minimize.
[2025-05-31 03:01:58] [INFO ] Deduced a trap composed of 14 places in 238 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/635 variables, 6/469 constraints. Problems are: Problem set: 0 solved, 209 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 635/646 variables, and 469 constraints, problems are : Problem set: 0 solved, 209 unsolved in 75016 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 341/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 54/209 constraints, Known Traps: 12/14 constraints]
After SMT, in 149976ms problems are : Problem set: 0 solved, 209 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 214 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 20 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 352/352 places, 294/294 transitions.
RANDOM walk for 4000000 steps (53804 resets) in 69381 ms. (57 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (88 resets) in 195 ms. (204 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (87 resets) in 283 ms. (140 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (92 resets) in 193 ms. (206 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (84 resets) in 200 ms. (199 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (89 resets) in 203 ms. (196 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (92 resets) in 206 ms. (193 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (89 resets) in 278 ms. (143 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (96 resets) in 310 ms. (128 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (93 resets) in 279 ms. (142 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (80 resets) in 226 ms. (176 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (84 resets) in 248 ms. (160 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (85 resets) in 273 ms. (146 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (82 resets) in 222 ms. (179 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (95 resets) in 295 ms. (135 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (89 resets) in 247 ms. (161 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (88 resets) in 237 ms. (168 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (86 resets) in 226 ms. (176 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (93 resets) in 223 ms. (178 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (104 resets) in 228 ms. (174 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (80 resets) in 255 ms. (156 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (89 resets) in 220 ms. (181 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (97 resets) in 306 ms. (130 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (89 resets) in 202 ms. (197 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40001 steps (87 resets) in 194 ms. (205 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (90 resets) in 207 ms. (192 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (76 resets) in 227 ms. (175 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40001 steps (79 resets) in 285 ms. (139 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (90 resets) in 215 ms. (185 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (86 resets) in 236 ms. (168 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (88 resets) in 220 ms. (181 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (88 resets) in 309 ms. (129 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (100 resets) in 264 ms. (150 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (102 resets) in 284 ms. (140 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (96 resets) in 231 ms. (172 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (86 resets) in 225 ms. (177 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (83 resets) in 211 ms. (188 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (84 resets) in 218 ms. (182 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (89 resets) in 250 ms. (159 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (91 resets) in 290 ms. (137 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (90 resets) in 249 ms. (160 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (90 resets) in 303 ms. (131 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (88 resets) in 228 ms. (174 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (99 resets) in 213 ms. (186 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (89 resets) in 258 ms. (154 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (89 resets) in 192 ms. (207 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (97 resets) in 241 ms. (165 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (91 resets) in 211 ms. (188 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (89 resets) in 195 ms. (204 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (89 resets) in 292 ms. (136 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (88 resets) in 213 ms. (186 steps per ms) remains 209/209 properties
Interrupted probabilistic random walk after 6605520 steps, run timeout after 69001 ms. (steps per millisecond=95 ) properties seen :0 out of 209
Probabilistic random walk after 6605520 steps, saw 850439 distinct states, run finished after 69003 ms. (steps per millisecond=95 ) properties seen :0
[2025-05-31 03:03:43] [INFO ] Invariant cache hit.
[2025-05-31 03:03:43] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/214 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 1 (OVERLAPS) 10/224 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 3 (OVERLAPS) 72/296 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/296 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 5 (OVERLAPS) 45/341 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 209 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 7 (OVERLAPS) 294/635 variables, 341/401 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/635 variables, 2/403 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/635 variables, 0/403 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 10 (OVERLAPS) 11/646 variables, 11/414 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 209 unsolved
[2025-05-31 03:04:10] [INFO ] Deduced a trap composed of 8 places in 129 ms of which 3 ms to minimize.
[2025-05-31 03:04:10] [INFO ] Deduced a trap composed of 8 places in 45 ms of which 2 ms to minimize.
[2025-05-31 03:04:10] [INFO ] Deduced a trap composed of 13 places in 125 ms of which 3 ms to minimize.
[2025-05-31 03:04:11] [INFO ] Deduced a trap composed of 7 places in 173 ms of which 3 ms to minimize.
[2025-05-31 03:04:11] [INFO ] Deduced a trap composed of 17 places in 167 ms of which 3 ms to minimize.
[2025-05-31 03:04:12] [INFO ] Deduced a trap composed of 17 places in 162 ms of which 3 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/646 variables, 6/420 constraints. Problems are: Problem set: 0 solved, 209 unsolved
[2025-05-31 03:04:16] [INFO ] Deduced a trap composed of 9 places in 164 ms of which 3 ms to minimize.
[2025-05-31 03:04:16] [INFO ] Deduced a trap composed of 11 places in 82 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 2/422 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 209 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 422 constraints, problems are : Problem set: 0 solved, 209 unsolved in 56832 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 209/209 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 209 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/214 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 1 (OVERLAPS) 10/224 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 3 (OVERLAPS) 72/296 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/296 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/296 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 6 (OVERLAPS) 45/341 variables, 24/61 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/341 variables, 6/67 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 9 (OVERLAPS) 294/635 variables, 341/408 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/635 variables, 2/410 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/635 variables, 54/464 constraints. Problems are: Problem set: 0 solved, 209 unsolved
[2025-05-31 03:05:32] [INFO ] Deduced a trap composed of 12 places in 190 ms of which 4 ms to minimize.
[2025-05-31 03:05:33] [INFO ] Deduced a trap composed of 19 places in 114 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/635 variables, 2/466 constraints. Problems are: Problem set: 0 solved, 209 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 635/646 variables, and 466 constraints, problems are : Problem set: 0 solved, 209 unsolved in 90020 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 341/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 54/209 constraints, Known Traps: 9/10 constraints]
After SMT, in 147136ms problems are : Problem set: 0 solved, 209 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 214 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 26 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 352/352 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 20 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2025-05-31 03:06:11] [INFO ] Invariant cache hit.
[2025-05-31 03:06:11] [INFO ] Implicit Places using invariants in 312 ms returned []
[2025-05-31 03:06:11] [INFO ] Invariant cache hit.
[2025-05-31 03:06:11] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 03:06:12] [INFO ] Implicit Places using invariants and state equation in 727 ms returned []
Implicit Place search using SMT with State Equation took 1042 ms to find 0 implicit places.
[2025-05-31 03:06:12] [INFO ] Redundant transitions in 28 ms returned []
Running 293 sub problems to find dead transitions.
[2025-05-31 03:06:12] [INFO ] Invariant cache hit.
[2025-05-31 03:06:12] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 5 (OVERLAPS) 294/646 variables, 352/412 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 2/414 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2025-05-31 03:06:24] [INFO ] Deduced a trap composed of 7 places in 109 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/646 variables, 1/415 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2025-05-31 03:06:32] [INFO ] Deduced a trap composed of 15 places in 104 ms of which 3 ms to minimize.
[2025-05-31 03:06:33] [INFO ] Deduced a trap composed of 13 places in 61 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 2/417 constraints. Problems are: Problem set: 0 solved, 293 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 293 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 293/293 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 293 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2025-05-31 03:06:46] [INFO ] Deduced a trap composed of 11 places in 53 ms of which 15 ms to minimize.
[2025-05-31 03:06:46] [INFO ] Deduced a trap composed of 9 places in 55 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 7 (OVERLAPS) 294/646 variables, 352/417 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 2/419 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 293/712 constraints. Problems are: Problem set: 0 solved, 293 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 646/646 variables, and 712 constraints, problems are : Problem set: 0 solved, 293 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 293/293 constraints, Known Traps: 5/5 constraints]
After SMT, in 60630ms problems are : Problem set: 0 solved, 293 unsolved
Search for dead transitions found 0 dead transitions in 60638ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61743 ms. Remains : 352/352 places, 294/294 transitions.
RANDOM walk for 400000 steps (5385 resets) in 10093 ms. (39 steps per ms) remains 209/214 properties
Running SMT prover for 209 properties.
[2025-05-31 03:07:16] [INFO ] Invariant cache hit.
[2025-05-31 03:07:16] [INFO ] [Real]Absence check using 36 positive place invariants in 16 ms returned sat
[2025-05-31 03:07:16] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 25 ms returned sat
[2025-05-31 03:07:17] [INFO ] After 607ms SMT Verify possible using state equation in real domain returned unsat :0 sat :209
[2025-05-31 03:07:17] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 03:07:17] [INFO ] After 462ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :209
TRAPS : Iteration 0
[2025-05-31 03:07:19] [INFO ] Deduced a trap composed of 8 places in 67 ms of which 2 ms to minimize.
[2025-05-31 03:07:21] [INFO ] Deduced a trap composed of 16 places in 67 ms of which 2 ms to minimize.
TRAPS : Iteration 1
[2025-05-31 03:07:24] [INFO ] After 6808ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:209
[2025-05-31 03:07:24] [INFO ] After 7974ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:209
[2025-05-31 03:07:24] [INFO ] [Nat]Absence check using 36 positive place invariants in 10 ms returned sat
[2025-05-31 03:07:24] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 23 ms returned sat
[2025-05-31 03:07:25] [INFO ] After 909ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :209
[2025-05-31 03:07:25] [INFO ] After 555ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :209
TRAPS : Iteration 0
[2025-05-31 03:07:26] [INFO ] Deduced a trap composed of 6 places in 84 ms of which 2 ms to minimize.
[2025-05-31 03:07:26] [INFO ] Deduced a trap composed of 7 places in 90 ms of which 2 ms to minimize.
[2025-05-31 03:07:26] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 227 ms
[2025-05-31 03:07:27] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 2 ms to minimize.
[2025-05-31 03:07:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 101 ms
[2025-05-31 03:07:28] [INFO ] Deduced a trap composed of 13 places in 63 ms of which 2 ms to minimize.
[2025-05-31 03:07:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 95 ms
[2025-05-31 03:07:29] [INFO ] Deduced a trap composed of 22 places in 64 ms of which 2 ms to minimize.
[2025-05-31 03:07:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 96 ms
[2025-05-31 03:07:31] [INFO ] Deduced a trap composed of 20 places in 96 ms of which 3 ms to minimize.
[2025-05-31 03:07:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 144 ms
TRAPS : Iteration 1
[2025-05-31 03:07:32] [INFO ] Deduced a trap composed of 19 places in 118 ms of which 3 ms to minimize.
[2025-05-31 03:07:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 153 ms
[2025-05-31 03:07:36] [INFO ] Deduced a trap composed of 22 places in 123 ms of which 2 ms to minimize.
[2025-05-31 03:07:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 156 ms
TRAPS : Iteration 2
[2025-05-31 03:07:41] [INFO ] Deduced a trap composed of 8 places in 138 ms of which 4 ms to minimize.
[2025-05-31 03:07:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 171 ms
[2025-05-31 03:07:44] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 1 ms to minimize.
[2025-05-31 03:07:44] [INFO ] Deduced a trap composed of 13 places in 42 ms of which 1 ms to minimize.
[2025-05-31 03:07:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 133 ms
TRAPS : Iteration 3
[2025-05-31 03:07:51] [INFO ] After 25950ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :209
[2025-05-31 03:07:51] [INFO ] After 27771ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :209
RANDOM walk for 3639364 steps (49212 resets) in 120004 ms. (30 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (88 resets) in 370 ms. (107 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (86 resets) in 315 ms. (126 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (92 resets) in 434 ms. (91 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (86 resets) in 447 ms. (89 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (86 resets) in 524 ms. (76 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (84 resets) in 461 ms. (86 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (97 resets) in 388 ms. (102 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (88 resets) in 525 ms. (76 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (93 resets) in 464 ms. (86 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (94 resets) in 377 ms. (105 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (87 resets) in 379 ms. (105 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (91 resets) in 384 ms. (103 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (93 resets) in 260 ms. (153 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (87 resets) in 357 ms. (111 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (96 resets) in 306 ms. (130 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (93 resets) in 286 ms. (139 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (91 resets) in 354 ms. (112 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (98 resets) in 314 ms. (126 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (91 resets) in 296 ms. (134 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (82 resets) in 309 ms. (129 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (83 resets) in 495 ms. (80 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (82 resets) in 306 ms. (130 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (83 resets) in 289 ms. (137 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (83 resets) in 384 ms. (103 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (95 resets) in 433 ms. (92 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (87 resets) in 396 ms. (100 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (94 resets) in 322 ms. (123 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (81 resets) in 290 ms. (137 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (84 resets) in 275 ms. (144 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (87 resets) in 256 ms. (155 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (87 resets) in 403 ms. (99 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (91 resets) in 378 ms. (105 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (85 resets) in 293 ms. (136 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (80 resets) in 348 ms. (114 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (96 resets) in 338 ms. (118 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (96 resets) in 383 ms. (104 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (100 resets) in 300 ms. (132 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (85 resets) in 350 ms. (113 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40001 steps (98 resets) in 382 ms. (104 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (100 resets) in 271 ms. (147 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (82 resets) in 405 ms. (98 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (88 resets) in 417 ms. (95 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (88 resets) in 366 ms. (109 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (93 resets) in 340 ms. (117 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (86 resets) in 387 ms. (103 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (95 resets) in 351 ms. (113 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (90 resets) in 325 ms. (122 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (92 resets) in 323 ms. (123 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40003 steps (85 resets) in 325 ms. (122 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40002 steps (89 resets) in 453 ms. (88 steps per ms) remains 209/209 properties
Interrupted probabilistic random walk after 9714150 steps, run timeout after 105001 ms. (steps per millisecond=92 ) properties seen :0 out of 209
Probabilistic random walk after 9714150 steps, saw 1232221 distinct states, run finished after 105001 ms. (steps per millisecond=92 ) properties seen :0
[2025-05-31 03:10:12] [INFO ] Invariant cache hit.
[2025-05-31 03:10:12] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/214 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 1 (OVERLAPS) 10/224 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 3 (OVERLAPS) 72/296 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/296 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 5 (OVERLAPS) 45/341 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 209 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 7 (OVERLAPS) 294/635 variables, 341/401 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/635 variables, 2/403 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/635 variables, 0/403 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 10 (OVERLAPS) 11/646 variables, 11/414 constraints. Problems are: Problem set: 0 solved, 209 unsolved
[2025-05-31 03:10:38] [INFO ] Deduced a trap composed of 10 places in 231 ms of which 6 ms to minimize.
[2025-05-31 03:10:38] [INFO ] Deduced a trap composed of 12 places in 243 ms of which 4 ms to minimize.
[2025-05-31 03:10:41] [INFO ] Deduced a trap composed of 7 places in 215 ms of which 5 ms to minimize.
[2025-05-31 03:10:42] [INFO ] Deduced a trap composed of 16 places in 90 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 4/418 constraints. Problems are: Problem set: 0 solved, 209 unsolved
[2025-05-31 03:10:48] [INFO ] Deduced a trap composed of 7 places in 64 ms of which 1 ms to minimize.
[2025-05-31 03:10:49] [INFO ] Deduced a trap composed of 18 places in 152 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 2/420 constraints. Problems are: Problem set: 0 solved, 209 unsolved
[2025-05-31 03:10:55] [INFO ] Deduced a trap composed of 13 places in 85 ms of which 4 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 209 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 421 constraints, problems are : Problem set: 0 solved, 209 unsolved in 64670 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 209/209 constraints, Known Traps: 7/7 constraints]
Escalating to Integer solving :Problem set: 0 solved, 209 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/214 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 1 (OVERLAPS) 10/224 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 3 (OVERLAPS) 72/296 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/296 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/296 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 6 (OVERLAPS) 45/341 variables, 24/61 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/341 variables, 6/67 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 9 (OVERLAPS) 294/635 variables, 341/408 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/635 variables, 2/410 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/635 variables, 54/464 constraints. Problems are: Problem set: 0 solved, 209 unsolved
[2025-05-31 03:11:59] [INFO ] Deduced a trap composed of 13 places in 85 ms of which 2 ms to minimize.
[2025-05-31 03:12:00] [INFO ] Deduced a trap composed of 19 places in 244 ms of which 10 ms to minimize.
[2025-05-31 03:12:04] [INFO ] Deduced a trap composed of 18 places in 239 ms of which 6 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/635 variables, 3/467 constraints. Problems are: Problem set: 0 solved, 209 unsolved
[2025-05-31 03:12:57] [INFO ] Deduced a trap composed of 16 places in 92 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 635/646 variables, and 468 constraints, problems are : Problem set: 0 solved, 209 unsolved in 105025 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 341/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 54/209 constraints, Known Traps: 11/11 constraints]
After SMT, in 169907ms problems are : Problem set: 0 solved, 209 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 214 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 20 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 352/352 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 17 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2025-05-31 03:13:02] [INFO ] Invariant cache hit.
[2025-05-31 03:13:03] [INFO ] Implicit Places using invariants in 290 ms returned []
[2025-05-31 03:13:03] [INFO ] Invariant cache hit.
[2025-05-31 03:13:03] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 03:13:03] [INFO ] Implicit Places using invariants and state equation in 541 ms returned []
Implicit Place search using SMT with State Equation took 847 ms to find 0 implicit places.
[2025-05-31 03:13:03] [INFO ] Redundant transitions in 5 ms returned []
Running 293 sub problems to find dead transitions.
[2025-05-31 03:13:03] [INFO ] Invariant cache hit.
[2025-05-31 03:13:03] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 5 (OVERLAPS) 294/646 variables, 352/412 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 2/414 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2025-05-31 03:13:14] [INFO ] Deduced a trap composed of 7 places in 75 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/646 variables, 1/415 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2025-05-31 03:13:21] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 2 ms to minimize.
[2025-05-31 03:13:22] [INFO ] Deduced a trap composed of 13 places in 73 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 2/417 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 293 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 293 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 293/293 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 293 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2025-05-31 03:13:37] [INFO ] Deduced a trap composed of 11 places in 68 ms of which 2 ms to minimize.
[2025-05-31 03:13:37] [INFO ] Deduced a trap composed of 9 places in 56 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 7 (OVERLAPS) 294/646 variables, 352/417 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 2/419 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 293/712 constraints. Problems are: Problem set: 0 solved, 293 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 646/646 variables, and 712 constraints, problems are : Problem set: 0 solved, 293 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 293/293 constraints, Known Traps: 5/5 constraints]
After SMT, in 60396ms problems are : Problem set: 0 solved, 293 unsolved
Search for dead transitions found 0 dead transitions in 60400ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61284 ms. Remains : 352/352 places, 294/294 transitions.
RANDOM walk for 400000 steps (5412 resets) in 5914 ms. (67 steps per ms) remains 209/214 properties
Running SMT prover for 209 properties.
[2025-05-31 03:14:05] [INFO ] Invariant cache hit.
[2025-05-31 03:14:05] [INFO ] [Real]Absence check using 36 positive place invariants in 12 ms returned sat
[2025-05-31 03:14:05] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 25 ms returned sat
[2025-05-31 03:14:06] [INFO ] After 621ms SMT Verify possible using state equation in real domain returned unsat :0 sat :209
[2025-05-31 03:14:06] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 03:14:06] [INFO ] After 417ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :209
TRAPS : Iteration 0
[2025-05-31 03:14:08] [INFO ] Deduced a trap composed of 8 places in 61 ms of which 2 ms to minimize.
[2025-05-31 03:14:10] [INFO ] Deduced a trap composed of 16 places in 72 ms of which 2 ms to minimize.
TRAPS : Iteration 1
[2025-05-31 03:14:13] [INFO ] After 6532ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:209
[2025-05-31 03:14:13] [INFO ] After 7481ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:209
[2025-05-31 03:14:13] [INFO ] [Nat]Absence check using 36 positive place invariants in 11 ms returned sat
[2025-05-31 03:14:13] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 20 ms returned sat
[2025-05-31 03:14:14] [INFO ] After 1049ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :209
[2025-05-31 03:14:15] [INFO ] After 591ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :209
TRAPS : Iteration 0
[2025-05-31 03:14:15] [INFO ] Deduced a trap composed of 6 places in 82 ms of which 2 ms to minimize.
[2025-05-31 03:14:15] [INFO ] Deduced a trap composed of 7 places in 85 ms of which 2 ms to minimize.
[2025-05-31 03:14:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 218 ms
[2025-05-31 03:14:17] [INFO ] Deduced a trap composed of 15 places in 97 ms of which 3 ms to minimize.
[2025-05-31 03:14:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 151 ms
[2025-05-31 03:14:17] [INFO ] Deduced a trap composed of 13 places in 93 ms of which 2 ms to minimize.
[2025-05-31 03:14:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 138 ms
[2025-05-31 03:14:19] [INFO ] Deduced a trap composed of 22 places in 97 ms of which 2 ms to minimize.
[2025-05-31 03:14:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 146 ms
[2025-05-31 03:14:21] [INFO ] Deduced a trap composed of 20 places in 65 ms of which 2 ms to minimize.
[2025-05-31 03:14:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 98 ms
TRAPS : Iteration 1
[2025-05-31 03:14:22] [INFO ] Deduced a trap composed of 19 places in 136 ms of which 3 ms to minimize.
[2025-05-31 03:14:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 172 ms
[2025-05-31 03:14:26] [INFO ] Deduced a trap composed of 22 places in 139 ms of which 3 ms to minimize.
[2025-05-31 03:14:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 173 ms
TRAPS : Iteration 2
[2025-05-31 03:14:32] [INFO ] Deduced a trap composed of 8 places in 140 ms of which 3 ms to minimize.
[2025-05-31 03:14:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 185 ms
[2025-05-31 03:14:35] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 1 ms to minimize.
[2025-05-31 03:14:35] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 2 ms to minimize.
[2025-05-31 03:14:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 122 ms
TRAPS : Iteration 3
[2025-05-31 03:14:43] [INFO ] After 29104ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :209
[2025-05-31 03:14:44] [INFO ] After 31322ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :209
RANDOM walk for 40000 steps (551 resets) in 156 ms. (254 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 872806 steps, run timeout after 3001 ms. (steps per millisecond=290 ) properties seen :0 out of 1
Probabilistic random walk after 872806 steps, saw 124367 distinct states, run finished after 3001 ms. (steps per millisecond=290 ) properties seen :0
[2025-05-31 03:14:47] [INFO ] Invariant cache hit.
[2025-05-31 03:14:47] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 447 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:14:48] [INFO ] Deduced a trap composed of 13 places in 112 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 416 constraints, problems are : Problem set: 0 solved, 1 unsolved in 820 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1279ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 39316 steps, including 119 resets, run visited all 1 properties in 258 ms. (steps per millisecond=152 )
Parikh walk visited 1 properties in 275 ms.
RANDOM walk for 3145 steps (43 resets) in 34 ms. (89 steps per ms) remains 0/1 properties
RANDOM walk for 363 steps (5 resets) in 8 ms. (40 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (516 resets) in 398 ms. (100 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 937702 steps, run timeout after 3001 ms. (steps per millisecond=312 ) properties seen :0 out of 1
Probabilistic random walk after 937702 steps, saw 133284 distinct states, run finished after 3001 ms. (steps per millisecond=312 ) properties seen :0
[2025-05-31 03:14:52] [INFO ] Invariant cache hit.
[2025-05-31 03:14:52] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 531 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:14:53] [INFO ] Deduced a trap composed of 16 places in 65 ms of which 2 ms to minimize.
[2025-05-31 03:14:53] [INFO ] Deduced a trap composed of 23 places in 69 ms of which 2 ms to minimize.
[2025-05-31 03:14:53] [INFO ] Deduced a trap composed of 21 places in 92 ms of which 2 ms to minimize.
[2025-05-31 03:14:53] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 4/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 419 constraints, problems are : Problem set: 0 solved, 1 unsolved in 885 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1422ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 985 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 76 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (539 resets) in 180 ms. (220 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (100 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1118961 steps, run timeout after 3001 ms. (steps per millisecond=372 ) properties seen :0 out of 1
Probabilistic random walk after 1118961 steps, saw 156589 distinct states, run finished after 3005 ms. (steps per millisecond=372 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:14:57] [INFO ] Computed 60 invariants in 8 ms
[2025-05-31 03:14:57] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 471 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/522 variables, 8/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 3/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/585 variables, 3/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 59/644 variables, 59/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/644 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/644 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 414 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: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 973ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 9940 steps, including 28 resets, run visited all 1 properties in 31 ms. (steps per millisecond=320 )
Parikh walk visited 1 properties in 31 ms.
RANDOM walk for 40000 steps (545 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (81 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1044622 steps, run timeout after 3001 ms. (steps per millisecond=348 ) properties seen :0 out of 1
Probabilistic random walk after 1044622 steps, saw 147233 distinct states, run finished after 3001 ms. (steps per millisecond=348 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:15:01] [INFO ] Computed 60 invariants in 10 ms
[2025-05-31 03:15:01] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 634 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:03] [INFO ] Deduced a trap composed of 17 places in 94 ms of which 2 ms to minimize.
[2025-05-31 03:15:03] [INFO ] Deduced a trap composed of 24 places in 98 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 2/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1106 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1758ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2898 steps, including 1 resets, run visited all 1 properties in 9 ms. (steps per millisecond=322 )
Parikh walk visited 1 properties in 8 ms.
RANDOM walk for 40000 steps (545 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (99 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1109028 steps, run timeout after 3001 ms. (steps per millisecond=369 ) properties seen :0 out of 1
Probabilistic random walk after 1109028 steps, saw 155121 distinct states, run finished after 3004 ms. (steps per millisecond=369 ) properties seen :0
[2025-05-31 03:15:06] [INFO ] Invariant cache hit.
[2025-05-31 03:15:06] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 625 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:07] [INFO ] Deduced a trap composed of 8 places in 137 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/292 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:08] [INFO ] Deduced a trap composed of 21 places in 133 ms of which 3 ms to minimize.
[2025-05-31 03:15:08] [INFO ] Deduced a trap composed of 18 places in 163 ms of which 4 ms to minimize.
[2025-05-31 03:15:08] [INFO ] Deduced a trap composed of 21 places in 97 ms of which 2 ms to minimize.
[2025-05-31 03:15:08] [INFO ] Deduced a trap composed of 17 places in 152 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 4/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 0/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 60/646 variables, 60/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 420 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1653 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 2285ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2780 steps, including 1 resets, run visited all 1 properties in 17 ms. (steps per millisecond=163 )
Parikh walk visited 1 properties in 16 ms.
RANDOM walk for 40000 steps (552 resets) in 183 ms. (217 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 928315 steps, run timeout after 3001 ms. (steps per millisecond=309 ) properties seen :0 out of 1
Probabilistic random walk after 928315 steps, saw 132075 distinct states, run finished after 3001 ms. (steps per millisecond=309 ) properties seen :0
[2025-05-31 03:15:12] [INFO ] Invariant cache hit.
[2025-05-31 03:15:12] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:12] [INFO ] Deduced a trap composed of 8 places in 133 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/292 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:13] [INFO ] Deduced a trap composed of 21 places in 142 ms of which 4 ms to minimize.
[2025-05-31 03:15:13] [INFO ] Deduced a trap composed of 20 places in 170 ms of which 4 ms to minimize.
[2025-05-31 03:15:14] [INFO ] Deduced a trap composed of 22 places in 169 ms of which 4 ms to minimize.
[2025-05-31 03:15:14] [INFO ] Deduced a trap composed of 22 places in 172 ms of which 4 ms to minimize.
[2025-05-31 03:15:14] [INFO ] Deduced a trap composed of 17 places in 92 ms of which 2 ms to minimize.
[2025-05-31 03:15:14] [INFO ] Deduced a trap composed of 19 places in 94 ms of which 3 ms to minimize.
[2025-05-31 03:15:14] [INFO ] Deduced a trap composed of 17 places in 89 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 7/363 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 60/646 variables, 60/423 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:14] [INFO ] Deduced a trap composed of 6 places in 76 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 1/424 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/646 variables, 0/424 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/646 variables, 0/424 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 424 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2285 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 9/9 constraints]
After SMT, in 2804ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2735 steps, including 1 resets, run visited all 1 properties in 13 ms. (steps per millisecond=210 )
Parikh walk visited 1 properties in 12 ms.
RANDOM walk for 40000 steps (537 resets) in 178 ms. (223 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 926620 steps, run timeout after 3001 ms. (steps per millisecond=308 ) properties seen :0 out of 1
Probabilistic random walk after 926620 steps, saw 131866 distinct states, run finished after 3001 ms. (steps per millisecond=308 ) properties seen :0
[2025-05-31 03:15:18] [INFO ] Invariant cache hit.
[2025-05-31 03:15:18] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 426 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 586/646 variables, and 352 constraints, problems are : Problem set: 0 solved, 1 unsolved in 827 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 292/352 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1258ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 732 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 75 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (537 resets) in 237 ms. (168 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (93 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 945527 steps, run timeout after 3001 ms. (steps per millisecond=315 ) properties seen :0 out of 1
Probabilistic random walk after 945527 steps, saw 134437 distinct states, run finished after 3001 ms. (steps per millisecond=315 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:15:23] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 03:15:23] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 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: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:24] [INFO ] Deduced a trap composed of 11 places in 55 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/522 variables, 8/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 62/585 variables, 3/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/585 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 59/644 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 859 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1324ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2686 steps, including 1 resets, run visited all 1 properties in 8 ms. (steps per millisecond=335 )
Parikh walk visited 1 properties in 8 ms.
RANDOM walk for 40000 steps (537 resets) in 132 ms. (300 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (88 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 862846 steps, run timeout after 3001 ms. (steps per millisecond=287 ) properties seen :0 out of 1
Probabilistic random walk after 862846 steps, saw 122873 distinct states, run finished after 3001 ms. (steps per millisecond=287 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:15:27] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:15:27] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 521 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:29] [INFO ] Deduced a trap composed of 22 places in 140 ms of which 4 ms to minimize.
[2025-05-31 03:15:29] [INFO ] Deduced a trap composed of 24 places in 177 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 2/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1296 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1828ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2682 steps, including 1 resets, run visited all 1 properties in 12 ms. (steps per millisecond=223 )
Parikh walk visited 1 properties in 13 ms.
RANDOM walk for 40000 steps (525 resets) in 176 ms. (225 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 883258 steps, run timeout after 3001 ms. (steps per millisecond=294 ) properties seen :0 out of 1
Probabilistic random walk after 883258 steps, saw 125869 distinct states, run finished after 3001 ms. (steps per millisecond=294 ) properties seen :0
[2025-05-31 03:15:32] [INFO ] Invariant cache hit.
[2025-05-31 03:15:32] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 546 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:33] [INFO ] Deduced a trap composed of 22 places in 151 ms of which 4 ms to minimize.
[2025-05-31 03:15:33] [INFO ] Deduced a trap composed of 19 places in 147 ms of which 4 ms to minimize.
[2025-05-31 03:15:34] [INFO ] Deduced a trap composed of 24 places in 117 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 3/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 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: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1732ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 899 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 39 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (534 resets) in 189 ms. (210 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (92 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 941523 steps, run timeout after 3001 ms. (steps per millisecond=313 ) properties seen :0 out of 1
Probabilistic random walk after 941523 steps, saw 133889 distinct states, run finished after 3001 ms. (steps per millisecond=313 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:15:38] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 03:15:38] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 767 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:39] [INFO ] Deduced a trap composed of 11 places in 77 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/522 variables, 8/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 62/585 variables, 3/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/585 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 59/644 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:40] [INFO ] Deduced a trap composed of 5 places in 64 ms of which 2 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/644 variables, 1/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 416 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1060 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1844ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2604 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=372 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (545 resets) in 135 ms. (294 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (90 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 953058 steps, run timeout after 3001 ms. (steps per millisecond=317 ) properties seen :0 out of 1
Probabilistic random walk after 953058 steps, saw 135437 distinct states, run finished after 3001 ms. (steps per millisecond=317 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:15:43] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 03:15:43] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 706 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:44] [INFO ] Deduced a trap composed of 10 places in 136 ms of which 3 ms to minimize.
[2025-05-31 03:15:44] [INFO ] Deduced a trap composed of 12 places in 146 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/292 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:45] [INFO ] Deduced a trap composed of 21 places in 143 ms of which 3 ms to minimize.
[2025-05-31 03:15:45] [INFO ] Deduced a trap composed of 19 places in 183 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 2/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 60/646 variables, 60/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 419 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1603 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 2324ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2573 steps, including 1 resets, run visited all 1 properties in 12 ms. (steps per millisecond=214 )
Parikh walk visited 1 properties in 11 ms.
RANDOM walk for 40000 steps (538 resets) in 204 ms. (195 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (99 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 925886 steps, run timeout after 3001 ms. (steps per millisecond=308 ) properties seen :0 out of 1
Probabilistic random walk after 925886 steps, saw 131730 distinct states, run finished after 3001 ms. (steps per millisecond=308 ) properties seen :0
[2025-05-31 03:15:48] [INFO ] Invariant cache hit.
[2025-05-31 03:15:48] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 466 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:49] [INFO ] Deduced a trap composed of 16 places in 148 ms of which 3 ms to minimize.
[2025-05-31 03:15:50] [INFO ] Deduced a trap composed of 19 places in 172 ms of which 3 ms to minimize.
[2025-05-31 03:15:50] [INFO ] Deduced a trap composed of 24 places in 110 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 3/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1234 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1707ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 986 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 32 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (529 resets) in 132 ms. (300 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (93 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1006361 steps, run timeout after 3001 ms. (steps per millisecond=335 ) properties seen :0 out of 1
Probabilistic random walk after 1006361 steps, saw 142392 distinct states, run finished after 3001 ms. (steps per millisecond=335 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:15:54] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 03:15:54] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 430 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:55] [INFO ] Deduced a trap composed of 11 places in 79 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/522 variables, 8/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 62/585 variables, 3/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/585 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 59/644 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:15:55] [INFO ] Deduced a trap composed of 5 places in 73 ms of which 2 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/644 variables, 1/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 416 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1132 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1571ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2453 steps, including 1 resets, run visited all 1 properties in 11 ms. (steps per millisecond=223 )
Parikh walk visited 1 properties in 11 ms.
RANDOM walk for 40000 steps (545 resets) in 208 ms. (191 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1004579 steps, run timeout after 3001 ms. (steps per millisecond=334 ) properties seen :0 out of 1
Probabilistic random walk after 1004579 steps, saw 142148 distinct states, run finished after 3001 ms. (steps per millisecond=334 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:15:59] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 03:15:59] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 672 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 586/646 variables, and 352 constraints, problems are : Problem set: 0 solved, 1 unsolved in 863 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 292/352 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1546ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 840 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 47 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (544 resets) in 169 ms. (235 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 860744 steps, run timeout after 3001 ms. (steps per millisecond=286 ) properties seen :0 out of 1
Probabilistic random walk after 860744 steps, saw 122604 distinct states, run finished after 3001 ms. (steps per millisecond=286 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:16:04] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 03:16:04] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 685 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:05] [INFO ] Deduced a trap composed of 12 places in 63 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/522 variables, 8/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 62/585 variables, 3/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/585 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 59/644 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 415 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: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1392ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2465 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=352 )
Parikh walk visited 1 properties in 6 ms.
RANDOM walk for 40000 steps (535 resets) in 123 ms. (322 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (95 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1106334 steps, run timeout after 3001 ms. (steps per millisecond=368 ) properties seen :0 out of 1
Probabilistic random walk after 1106334 steps, saw 154758 distinct states, run finished after 3002 ms. (steps per millisecond=368 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:16:09] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:16:09] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 60/646 variables, 60/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 704 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1438ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 8525 steps, including 25 resets, run visited all 1 properties in 36 ms. (steps per millisecond=236 )
Parikh walk visited 1 properties in 37 ms.
RANDOM walk for 40000 steps (521 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (97 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 990907 steps, run timeout after 3001 ms. (steps per millisecond=330 ) properties seen :0 out of 1
Probabilistic random walk after 990907 steps, saw 140254 distinct states, run finished after 3004 ms. (steps per millisecond=329 ) properties seen :0
[2025-05-31 03:16:13] [INFO ] Invariant cache hit.
[2025-05-31 03:16:13] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 575 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:14] [INFO ] Deduced a trap composed of 8 places in 122 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/292 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:15] [INFO ] Deduced a trap composed of 12 places in 141 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 60/646 variables, 60/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1017 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1602ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 26477 steps, including 31 resets, run visited all 1 properties in 101 ms. (steps per millisecond=262 )
Parikh walk visited 1 properties in 100 ms.
RANDOM walk for 40000 steps (539 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 998677 steps, run timeout after 3001 ms. (steps per millisecond=332 ) properties seen :0 out of 1
Probabilistic random walk after 998677 steps, saw 141280 distinct states, run finished after 3001 ms. (steps per millisecond=332 ) properties seen :0
[2025-05-31 03:16:18] [INFO ] Invariant cache hit.
[2025-05-31 03:16:18] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 453 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:19] [INFO ] Deduced a trap composed of 19 places in 115 ms of which 3 ms to minimize.
[2025-05-31 03:16:19] [INFO ] Deduced a trap composed of 19 places in 147 ms of which 4 ms to minimize.
[2025-05-31 03:16:19] [INFO ] Deduced a trap composed of 17 places in 61 ms of which 1 ms to minimize.
[2025-05-31 03:16:19] [INFO ] Deduced a trap composed of 19 places in 58 ms of which 2 ms to minimize.
[2025-05-31 03:16:19] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 5/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:19] [INFO ] Deduced a trap composed of 6 places in 57 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 421 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1001 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints]
After SMT, in 1466ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 562 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 26 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (543 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1104645 steps, run timeout after 3001 ms. (steps per millisecond=368 ) properties seen :0 out of 1
Probabilistic random walk after 1104645 steps, saw 154552 distinct states, run finished after 3001 ms. (steps per millisecond=368 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:16:23] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 03:16:23] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 461 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:24] [INFO ] Deduced a trap composed of 11 places in 71 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/522 variables, 8/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 62/585 variables, 3/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/585 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 59/644 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 415 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: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1194ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2308 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=329 )
Parikh walk visited 1 properties in 6 ms.
RANDOM walk for 40000 steps (528 resets) in 162 ms. (245 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (94 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 964003 steps, run timeout after 3001 ms. (steps per millisecond=321 ) properties seen :0 out of 1
Probabilistic random walk after 964003 steps, saw 136850 distinct states, run finished after 3002 ms. (steps per millisecond=321 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:16:27] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 03:16:27] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:29] [INFO ] Deduced a trap composed of 12 places in 104 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 416 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: 352/352 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 2210 steps, including 1 resets, run visited all 1 properties in 12 ms. (steps per millisecond=184 )
Parikh walk visited 1 properties in 12 ms.
RANDOM walk for 40000 steps (553 resets) in 211 ms. (188 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (101 resets) in 79 ms. (500 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1031096 steps, run timeout after 3001 ms. (steps per millisecond=343 ) properties seen :0 out of 1
Probabilistic random walk after 1031096 steps, saw 145605 distinct states, run finished after 3001 ms. (steps per millisecond=343 ) properties seen :0
[2025-05-31 03:16:32] [INFO ] Invariant cache hit.
[2025-05-31 03:16:32] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 687 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:33] [INFO ] Deduced a trap composed of 8 places in 112 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/292 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:33] [INFO ] Deduced a trap composed of 17 places in 106 ms of which 3 ms to minimize.
[2025-05-31 03:16:33] [INFO ] Deduced a trap composed of 24 places in 112 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 2/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 900 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1594ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2261 steps, including 1 resets, run visited all 1 properties in 10 ms. (steps per millisecond=226 )
Parikh walk visited 1 properties in 10 ms.
RANDOM walk for 40000 steps (515 resets) in 186 ms. (213 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (86 resets) in 79 ms. (500 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 989640 steps, run timeout after 3001 ms. (steps per millisecond=329 ) properties seen :0 out of 1
Probabilistic random walk after 989640 steps, saw 140075 distinct states, run finished after 3001 ms. (steps per millisecond=329 ) properties seen :0
[2025-05-31 03:16:36] [INFO ] Invariant cache hit.
[2025-05-31 03:16:36] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 487 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:37] [INFO ] Deduced a trap composed of 19 places in 95 ms of which 3 ms to minimize.
[2025-05-31 03:16:38] [INFO ] Deduced a trap composed of 18 places in 110 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 2/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 863 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1357ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2194 steps, including 1 resets, run visited all 1 properties in 9 ms. (steps per millisecond=243 )
Parikh walk visited 1 properties in 9 ms.
RANDOM walk for 40000 steps (543 resets) in 176 ms. (225 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 975445 steps, run timeout after 3001 ms. (steps per millisecond=325 ) properties seen :0 out of 1
Probabilistic random walk after 975445 steps, saw 138311 distinct states, run finished after 3001 ms. (steps per millisecond=325 ) properties seen :0
[2025-05-31 03:16:41] [INFO ] Invariant cache hit.
[2025-05-31 03:16:41] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 748 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:42] [INFO ] Deduced a trap composed of 21 places in 129 ms of which 3 ms to minimize.
[2025-05-31 03:16:42] [INFO ] Deduced a trap composed of 16 places in 157 ms of which 4 ms to minimize.
[2025-05-31 03:16:43] [INFO ] Deduced a trap composed of 19 places in 156 ms of which 3 ms to minimize.
[2025-05-31 03:16:43] [INFO ] Deduced a trap composed of 24 places in 104 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 4/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 419 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1316 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 2073ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2143 steps, including 1 resets, run visited all 1 properties in 10 ms. (steps per millisecond=214 )
Parikh walk visited 1 properties in 9 ms.
RANDOM walk for 40000 steps (541 resets) in 188 ms. (211 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 101 ms. (392 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1068055 steps, run timeout after 3001 ms. (steps per millisecond=355 ) properties seen :0 out of 1
Probabilistic random walk after 1068055 steps, saw 150152 distinct states, run finished after 3001 ms. (steps per millisecond=355 ) properties seen :0
[2025-05-31 03:16:46] [INFO ] Invariant cache hit.
[2025-05-31 03:16:46] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 60/646 variables, 60/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 355 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 891ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 13616 steps, including 46 resets, run visited all 1 properties in 35 ms. (steps per millisecond=389 )
Parikh walk visited 1 properties in 35 ms.
RANDOM walk for 40000 steps (551 resets) in 124 ms. (320 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 1108348 steps, run timeout after 3001 ms. (steps per millisecond=369 ) properties seen :0 out of 1
Probabilistic random walk after 1108348 steps, saw 155040 distinct states, run finished after 3001 ms. (steps per millisecond=369 ) properties seen :0
[2025-05-31 03:16:50] [INFO ] Invariant cache hit.
[2025-05-31 03:16:50] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 525 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:51] [INFO ] Deduced a trap composed of 16 places in 105 ms of which 3 ms to minimize.
[2025-05-31 03:16:52] [INFO ] Deduced a trap composed of 23 places in 115 ms of which 3 ms to minimize.
[2025-05-31 03:16:52] [INFO ] Deduced a trap composed of 20 places in 70 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 3/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1177 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1711ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 707 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 27 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (544 resets) in 168 ms. (236 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1124347 steps, run timeout after 3001 ms. (steps per millisecond=374 ) properties seen :0 out of 1
Probabilistic random walk after 1124347 steps, saw 157308 distinct states, run finished after 3001 ms. (steps per millisecond=374 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:16:56] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:16:56] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:56] [INFO ] Deduced a trap composed of 15 places in 137 ms of which 3 ms to minimize.
[2025-05-31 03:16:56] [INFO ] Deduced a trap composed of 18 places in 178 ms of which 4 ms to minimize.
[2025-05-31 03:16:56] [INFO ] Deduced a trap composed of 17 places in 101 ms of which 2 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/585 variables, 3/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 59/644 variables, 59/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 416 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1091 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/273 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/280 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/280 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 230/510 variables, 280/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:16:57] [INFO ] Deduced a trap composed of 12 places in 92 ms of which 5 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 1/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/510 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/522 variables, 8/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 3/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/522 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/522 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/523 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/523 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/523 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/523 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 62/585 variables, 3/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/585 variables, 1/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/585 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 59/644 variables, 59/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/644 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/644 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1064 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 2167ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2014 steps, including 1 resets, run visited all 1 properties in 9 ms. (steps per millisecond=223 )
Parikh walk visited 1 properties in 9 ms.
RANDOM walk for 40000 steps (518 resets) in 227 ms. (175 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (89 resets) in 83 ms. (476 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 972179 steps, run timeout after 3001 ms. (steps per millisecond=323 ) properties seen :0 out of 1
Probabilistic random walk after 972179 steps, saw 137910 distinct states, run finished after 3001 ms. (steps per millisecond=323 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:17:01] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:17:01] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 313 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:17:02] [INFO ] Deduced a trap composed of 18 places in 164 ms of which 3 ms to minimize.
[2025-05-31 03:17:02] [INFO ] Deduced a trap composed of 17 places in 184 ms of which 3 ms to minimize.
[2025-05-31 03:17:02] [INFO ] Deduced a trap composed of 24 places in 106 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 3/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1466 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1788ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 778 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 50 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (536 resets) in 240 ms. (165 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (97 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1009844 steps, run timeout after 3001 ms. (steps per millisecond=336 ) properties seen :0 out of 1
Probabilistic random walk after 1009844 steps, saw 142861 distinct states, run finished after 3001 ms. (steps per millisecond=336 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:17:07] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:17:07] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 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: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:17:08] [INFO ] Deduced a trap composed of 12 places in 90 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/522 variables, 8/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 62/585 variables, 3/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/585 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 59/644 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 781 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1305ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 767 ms.
Support contains 1 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 13 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 351/351 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 13 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2025-05-31 03:17:09] [INFO ] Invariant cache hit.
[2025-05-31 03:17:09] [INFO ] Implicit Places using invariants in 616 ms returned []
[2025-05-31 03:17:09] [INFO ] Invariant cache hit.
[2025-05-31 03:17:10] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 03:17:10] [INFO ] Implicit Places using invariants and state equation in 1118 ms returned []
Implicit Place search using SMT with State Equation took 1748 ms to find 0 implicit places.
[2025-05-31 03:17:10] [INFO ] Redundant transitions in 6 ms returned []
Running 290 sub problems to find dead transitions.
[2025-05-31 03:17:10] [INFO ] Invariant cache hit.
[2025-05-31 03:17:10] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/350 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (OVERLAPS) 293/643 variables, 350/410 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/643 variables, 2/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/643 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (OVERLAPS) 1/644 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2025-05-31 03:17:30] [INFO ] Deduced a trap composed of 6 places in 44 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/644 variables, 1/414 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2025-05-31 03:17:37] [INFO ] Deduced a trap composed of 12 places in 212 ms of which 5 ms to minimize.
[2025-05-31 03:17:39] [INFO ] Deduced a trap composed of 7 places in 105 ms of which 3 ms to minimize.
[2025-05-31 03:17:40] [INFO ] Deduced a trap composed of 16 places in 182 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 644/644 variables, and 417 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 290 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (OVERLAPS) 2/350 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (OVERLAPS) 293/643 variables, 350/414 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 2/416 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 290/706 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 643/644 variables, and 706 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 350/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 4/4 constraints]
After SMT, in 60381ms problems are : Problem set: 0 solved, 290 unsolved
Search for dead transitions found 0 dead transitions in 60386ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62165 ms. Remains : 351/351 places, 293/293 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 351 transition count 293
Applied a total of 1 rules in 27 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:18:11] [INFO ] Computed 60 invariants in 8 ms
[2025-05-31 03:18:11] [INFO ] [Real]Absence check using 36 positive place invariants in 16 ms returned sat
[2025-05-31 03:18:11] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 38 ms returned sat
[2025-05-31 03:18:11] [INFO ] After 183ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-05-31 03:18:11] [INFO ] [Nat]Absence check using 36 positive place invariants in 16 ms returned sat
[2025-05-31 03:18:11] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 37 ms returned sat
[2025-05-31 03:18:12] [INFO ] After 365ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 03:18:12] [INFO ] After 408ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 03:18:12] [INFO ] After 612ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 844 ms.
RANDOM walk for 40000 steps (552 resets) in 214 ms. (186 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (94 resets) in 97 ms. (408 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 970260 steps, run timeout after 3001 ms. (steps per millisecond=323 ) properties seen :0 out of 1
Probabilistic random walk after 970260 steps, saw 137664 distinct states, run finished after 3004 ms. (steps per millisecond=322 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:18:15] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 03:18:15] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:16] [INFO ] Deduced a trap composed of 18 places in 206 ms of which 4 ms to minimize.
[2025-05-31 03:18:17] [INFO ] Deduced a trap composed of 8 places in 207 ms of which 4 ms to minimize.
[2025-05-31 03:18:17] [INFO ] Deduced a trap composed of 19 places in 133 ms of which 3 ms to minimize.
[2025-05-31 03:18:17] [INFO ] Deduced a trap composed of 23 places in 109 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 4/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 419 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1711 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 2231ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 23150 steps, including 92 resets, run visited all 1 properties in 103 ms. (steps per millisecond=224 )
Parikh walk visited 1 properties in 103 ms.
RANDOM walk for 40000 steps (527 resets) in 174 ms. (228 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (84 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 957693 steps, run timeout after 3001 ms. (steps per millisecond=319 ) properties seen :0 out of 1
Probabilistic random walk after 957693 steps, saw 136055 distinct states, run finished after 3001 ms. (steps per millisecond=319 ) properties seen :0
[2025-05-31 03:18:20] [INFO ] Invariant cache hit.
[2025-05-31 03:18:20] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:21] [INFO ] Deduced a trap composed of 9 places in 144 ms of which 3 ms to minimize.
[2025-05-31 03:18:22] [INFO ] Deduced a trap composed of 11 places in 141 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 2/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1091 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1628ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 31807 steps, including 146 resets, run visited all 1 properties in 141 ms. (steps per millisecond=225 )
Parikh walk visited 1 properties in 140 ms.
RANDOM walk for 40000 steps (539 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (80 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 939278 steps, run timeout after 3001 ms. (steps per millisecond=312 ) properties seen :0 out of 1
Probabilistic random walk after 939278 steps, saw 133508 distinct states, run finished after 3005 ms. (steps per millisecond=312 ) properties seen :0
[2025-05-31 03:18:25] [INFO ] Invariant cache hit.
[2025-05-31 03:18:25] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:26] [INFO ] Deduced a trap composed of 16 places in 128 ms of which 3 ms to minimize.
[2025-05-31 03:18:27] [INFO ] Deduced a trap composed of 23 places in 139 ms of which 2 ms to minimize.
[2025-05-31 03:18:27] [INFO ] Deduced a trap composed of 20 places in 91 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 3/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1264 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1794ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 755 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 36 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (559 resets) in 218 ms. (182 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1077908 steps, run timeout after 3001 ms. (steps per millisecond=359 ) properties seen :0 out of 1
Probabilistic random walk after 1077908 steps, saw 151215 distinct states, run finished after 3001 ms. (steps per millisecond=359 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:18:31] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 03:18:31] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 683 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:32] [INFO ] Deduced a trap composed of 7 places in 104 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/248 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/273 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/273 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/280 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/280 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 230/510 variables, 280/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:32] [INFO ] Deduced a trap composed of 14 places in 76 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 1/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/510 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/522 variables, 8/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 3/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:32] [INFO ] Deduced a trap composed of 12 places in 79 ms of which 3 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/522 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/522 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/523 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/523 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/523 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 62/585 variables, 3/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/585 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/585 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 59/644 variables, 59/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/644 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/644 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1018 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1717ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 48838 steps, including 70 resets, run visited all 1 properties in 116 ms. (steps per millisecond=421 )
Parikh walk visited 1 properties in 115 ms.
RANDOM walk for 40000 steps (544 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 83 ms. (476 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 977829 steps, run timeout after 3001 ms. (steps per millisecond=325 ) properties seen :0 out of 1
Probabilistic random walk after 977829 steps, saw 138608 distinct states, run finished after 3001 ms. (steps per millisecond=325 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:18:36] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 03:18:36] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:36] [INFO ] Deduced a trap composed of 18 places in 96 ms of which 3 ms to minimize.
[2025-05-31 03:18:36] [INFO ] Deduced a trap composed of 19 places in 116 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 60/646 variables, 60/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 416 constraints, problems are : Problem set: 0 solved, 1 unsolved in 864 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:37] [INFO ] Deduced a trap composed of 19 places in 142 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 799 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1675ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 478 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 25 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (539 resets) in 169 ms. (235 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (90 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 909652 steps, run timeout after 3001 ms. (steps per millisecond=303 ) properties seen :0 out of 1
Probabilistic random walk after 909652 steps, saw 129489 distinct states, run finished after 3001 ms. (steps per millisecond=303 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:18:41] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 03:18:41] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 418 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:42] [INFO ] Deduced a trap composed of 11 places in 64 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/522 variables, 8/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 62/585 variables, 3/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/585 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 59/644 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 937 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1366ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1754 steps, including 1 resets, run visited all 1 properties in 8 ms. (steps per millisecond=219 )
Parikh walk visited 1 properties in 8 ms.
RANDOM walk for 40000 steps (562 resets) in 156 ms. (254 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (86 resets) in 72 ms. (547 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 988860 steps, run timeout after 3001 ms. (steps per millisecond=329 ) properties seen :0 out of 1
Probabilistic random walk after 988860 steps, saw 139954 distinct states, run finished after 3001 ms. (steps per millisecond=329 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:18:45] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:18:45] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:46] [INFO ] Deduced a trap composed of 10 places in 88 ms of which 2 ms to minimize.
[2025-05-31 03:18:46] [INFO ] Deduced a trap composed of 12 places in 93 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/292 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:47] [INFO ] Deduced a trap composed of 12 places in 149 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 881 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1319ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1669 steps, including 1 resets, run visited all 1 properties in 8 ms. (steps per millisecond=208 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (542 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 72 ms. (548 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 988524 steps, run timeout after 3001 ms. (steps per millisecond=329 ) properties seen :0 out of 1
Probabilistic random walk after 988524 steps, saw 139890 distinct states, run finished after 3004 ms. (steps per millisecond=329 ) properties seen :0
[2025-05-31 03:18:50] [INFO ] Invariant cache hit.
[2025-05-31 03:18:50] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 372 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:50] [INFO ] Deduced a trap composed of 10 places in 78 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/292 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:51] [INFO ] Deduced a trap composed of 16 places in 151 ms of which 4 ms to minimize.
[2025-05-31 03:18:51] [INFO ] Deduced a trap composed of 18 places in 177 ms of which 3 ms to minimize.
[2025-05-31 03:18:51] [INFO ] Deduced a trap composed of 20 places in 105 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 3/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 60/646 variables, 60/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 419 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1217 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1597ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 457 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 28 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (535 resets) in 181 ms. (219 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (80 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 902576 steps, run timeout after 3001 ms. (steps per millisecond=300 ) properties seen :0 out of 1
Probabilistic random walk after 902576 steps, saw 128581 distinct states, run finished after 3001 ms. (steps per millisecond=300 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:18:55] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:18:55] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:18:55] [INFO ] Deduced a trap composed of 11 places in 120 ms of which 3 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/585 variables, 3/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 59/644 variables, 59/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/644 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/644 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 598 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/273 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/280 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/280 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 230/510 variables, 280/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/522 variables, 8/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 62/585 variables, 3/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/585 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 59/644 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 415 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: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1430ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1645 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=235 )
Parikh walk visited 1 properties in 8 ms.
RANDOM walk for 40000 steps (537 resets) in 181 ms. (219 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 873119 steps, run timeout after 3001 ms. (steps per millisecond=290 ) properties seen :0 out of 1
Probabilistic random walk after 873119 steps, saw 124419 distinct states, run finished after 3001 ms. (steps per millisecond=290 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:18:59] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 03:18:59] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 372 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:19:00] [INFO ] Deduced a trap composed of 10 places in 102 ms of which 3 ms to minimize.
[2025-05-31 03:19:00] [INFO ] Deduced a trap composed of 12 places in 111 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/292 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:19:01] [INFO ] Deduced a trap composed of 12 places in 196 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1240 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1623ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1708 steps, including 1 resets, run visited all 1 properties in 8 ms. (steps per millisecond=213 )
Parikh walk visited 1 properties in 8 ms.
RANDOM walk for 40000 steps (534 resets) in 178 ms. (223 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (90 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 939674 steps, run timeout after 3001 ms. (steps per millisecond=313 ) properties seen :0 out of 1
Probabilistic random walk after 939674 steps, saw 133570 distinct states, run finished after 3001 ms. (steps per millisecond=313 ) properties seen :0
[2025-05-31 03:19:04] [INFO ] Invariant cache hit.
[2025-05-31 03:19:04] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 535 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:19:05] [INFO ] Deduced a trap composed of 18 places in 160 ms of which 4 ms to minimize.
[2025-05-31 03:19:06] [INFO ] Deduced a trap composed of 17 places in 277 ms of which 3 ms to minimize.
[2025-05-31 03:19:06] [INFO ] Deduced a trap composed of 23 places in 157 ms of which 3 ms to minimize.
[2025-05-31 03:19:06] [INFO ] Deduced a trap composed of 18 places in 114 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 4/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 419 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1361 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1902ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 664 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 39 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (550 resets) in 189 ms. (210 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 739712 steps, run timeout after 3001 ms. (steps per millisecond=246 ) properties seen :0 out of 1
Probabilistic random walk after 739712 steps, saw 106266 distinct states, run finished after 3001 ms. (steps per millisecond=246 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:19:10] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:19:10] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 587 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:19:11] [INFO ] Deduced a trap composed of 11 places in 48 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/522 variables, 8/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 62/585 variables, 3/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/585 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 59/644 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1005 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1608ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1533 steps, including 1 resets, run visited all 1 properties in 8 ms. (steps per millisecond=191 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (523 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (90 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 816478 steps, run timeout after 3001 ms. (steps per millisecond=272 ) properties seen :0 out of 1
Probabilistic random walk after 816478 steps, saw 116492 distinct states, run finished after 3001 ms. (steps per millisecond=272 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:19:14] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 03:19:14] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 484 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 586/646 variables, and 352 constraints, problems are : Problem set: 0 solved, 1 unsolved in 838 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 292/352 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1349ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 367 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 21 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (546 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (95 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 916951 steps, run timeout after 3001 ms. (steps per millisecond=305 ) properties seen :0 out of 1
Probabilistic random walk after 916951 steps, saw 130581 distinct states, run finished after 3004 ms. (steps per millisecond=305 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:19:19] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 03:19:19] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 383 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/522 variables, 8/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 3/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/585 variables, 3/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 59/644 variables, 59/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/644 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/644 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 835 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1233ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 6490 steps, including 17 resets, run visited all 1 properties in 26 ms. (steps per millisecond=249 )
Parikh walk visited 1 properties in 26 ms.
RANDOM walk for 40000 steps (538 resets) in 177 ms. (224 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (86 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 933440 steps, run timeout after 3001 ms. (steps per millisecond=311 ) properties seen :0 out of 1
Probabilistic random walk after 933440 steps, saw 132733 distinct states, run finished after 3001 ms. (steps per millisecond=311 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:19:24] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 03:19:24] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 500 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:19:25] [INFO ] Deduced a trap composed of 16 places in 161 ms of which 3 ms to minimize.
[2025-05-31 03:19:25] [INFO ] Deduced a trap composed of 17 places in 167 ms of which 3 ms to minimize.
[2025-05-31 03:19:25] [INFO ] Deduced a trap composed of 20 places in 100 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 3/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1434 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1950ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 599 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 33 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (538 resets) in 186 ms. (213 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (92 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 931615 steps, run timeout after 3001 ms. (steps per millisecond=310 ) properties seen :0 out of 1
Probabilistic random walk after 931615 steps, saw 132495 distinct states, run finished after 3001 ms. (steps per millisecond=310 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:19:29] [INFO ] Computed 60 invariants in 13 ms
[2025-05-31 03:19:29] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 368 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:19:30] [INFO ] Deduced a trap composed of 12 places in 95 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/522 variables, 8/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 62/585 variables, 3/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/585 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 59/644 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 415 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: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1236ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 560 ms.
Support contains 1 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 11 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 351/351 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 11 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2025-05-31 03:19:31] [INFO ] Invariant cache hit.
[2025-05-31 03:19:32] [INFO ] Implicit Places using invariants in 472 ms returned []
[2025-05-31 03:19:32] [INFO ] Invariant cache hit.
[2025-05-31 03:19:32] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 03:19:33] [INFO ] Implicit Places using invariants and state equation in 1099 ms returned []
Implicit Place search using SMT with State Equation took 1573 ms to find 0 implicit places.
[2025-05-31 03:19:33] [INFO ] Redundant transitions in 3 ms returned []
Running 290 sub problems to find dead transitions.
[2025-05-31 03:19:33] [INFO ] Invariant cache hit.
[2025-05-31 03:19:33] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/350 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (OVERLAPS) 293/643 variables, 350/410 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/643 variables, 2/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/643 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (OVERLAPS) 1/644 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2025-05-31 03:19:52] [INFO ] Deduced a trap composed of 6 places in 62 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/644 variables, 1/414 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2025-05-31 03:19:57] [INFO ] Deduced a trap composed of 12 places in 192 ms of which 4 ms to minimize.
[2025-05-31 03:19:59] [INFO ] Deduced a trap composed of 7 places in 87 ms of which 3 ms to minimize.
[2025-05-31 03:19:59] [INFO ] Deduced a trap composed of 16 places in 243 ms of which 5 ms to minimize.
[2025-05-31 03:20:01] [INFO ] Deduced a trap composed of 7 places in 144 ms of which 3 ms to minimize.
[2025-05-31 03:20:01] [INFO ] Deduced a trap composed of 9 places in 77 ms of which 2 ms to minimize.
[2025-05-31 03:20:02] [INFO ] Deduced a trap composed of 11 places in 97 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/644 variables, 6/420 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 644/644 variables, and 420 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 7/7 constraints]
Escalating to Integer solving :Problem set: 0 solved, 290 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 6/59 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (OVERLAPS) 2/350 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (OVERLAPS) 293/643 variables, 350/417 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 2/419 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 290/709 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 643/644 variables, and 709 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 350/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 7/7 constraints]
After SMT, in 60298ms problems are : Problem set: 0 solved, 290 unsolved
Search for dead transitions found 0 dead transitions in 60304ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61899 ms. Remains : 351/351 places, 293/293 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 351 transition count 293
Applied a total of 1 rules in 14 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:20:33] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:20:33] [INFO ] [Real]Absence check using 36 positive place invariants in 13 ms returned sat
[2025-05-31 03:20:33] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 24 ms returned sat
[2025-05-31 03:20:33] [INFO ] After 137ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-05-31 03:20:33] [INFO ] [Nat]Absence check using 36 positive place invariants in 14 ms returned sat
[2025-05-31 03:20:33] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 40 ms returned sat
[2025-05-31 03:20:34] [INFO ] After 331ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 03:20:34] [INFO ] After 367ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 03:20:34] [INFO ] After 548ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 708 ms.
RANDOM walk for 40000 steps (535 resets) in 134 ms. (296 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (85 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 932424 steps, run timeout after 3001 ms. (steps per millisecond=310 ) properties seen :0 out of 1
Probabilistic random walk after 932424 steps, saw 132610 distinct states, run finished after 3001 ms. (steps per millisecond=310 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:20:37] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 03:20:37] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:20:37] [INFO ] Deduced a trap composed of 18 places in 90 ms of which 2 ms to minimize.
[2025-05-31 03:20:37] [INFO ] Deduced a trap composed of 19 places in 102 ms of which 4 ms to minimize.
[2025-05-31 03:20:37] [INFO ] Deduced a trap composed of 18 places in 115 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 3/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 60/646 variables, 60/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:20:38] [INFO ] Deduced a trap composed of 16 places in 182 ms of which 8 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 968 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 4/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 586/646 variables, and 356 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: 292/352 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1954ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 556 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 19 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (560 resets) in 145 ms. (273 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 943305 steps, run timeout after 3001 ms. (steps per millisecond=314 ) properties seen :0 out of 1
Probabilistic random walk after 943305 steps, saw 134133 distinct states, run finished after 3001 ms. (steps per millisecond=314 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:20:42] [INFO ] Computed 60 invariants in 6 ms
[2025-05-31 03:20:42] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 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: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:20:44] [INFO ] Deduced a trap composed of 12 places in 83 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/522 variables, 8/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 62/585 variables, 3/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/585 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 59/644 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 415 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: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1486ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1414 steps, including 1 resets, run visited all 1 properties in 6 ms. (steps per millisecond=235 )
Parikh walk visited 1 properties in 6 ms.
RANDOM walk for 40000 steps (532 resets) in 174 ms. (228 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 950021 steps, run timeout after 3001 ms. (steps per millisecond=316 ) properties seen :0 out of 1
Probabilistic random walk after 950021 steps, saw 135019 distinct states, run finished after 3001 ms. (steps per millisecond=316 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:20:47] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:20:47] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:20:48] [INFO ] Deduced a trap composed of 17 places in 140 ms of which 4 ms to minimize.
[2025-05-31 03:20:48] [INFO ] Deduced a trap composed of 24 places in 170 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 2/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1252 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1708ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1537 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=219 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (526 resets) in 189 ms. (210 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (93 resets) in 79 ms. (500 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 988337 steps, run timeout after 3001 ms. (steps per millisecond=329 ) properties seen :0 out of 1
Probabilistic random walk after 988337 steps, saw 139866 distinct states, run finished after 3001 ms. (steps per millisecond=329 ) properties seen :0
[2025-05-31 03:20:52] [INFO ] Invariant cache hit.
[2025-05-31 03:20:52] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 617 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:20:53] [INFO ] Deduced a trap composed of 17 places in 143 ms of which 3 ms to minimize.
[2025-05-31 03:20:53] [INFO ] Deduced a trap composed of 8 places in 170 ms of which 3 ms to minimize.
[2025-05-31 03:20:53] [INFO ] Deduced a trap composed of 17 places in 155 ms of which 4 ms to minimize.
[2025-05-31 03:20:54] [INFO ] Deduced a trap composed of 20 places in 97 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 4/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:20:54] [INFO ] Deduced a trap composed of 6 places in 136 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 420 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1562 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 2185ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 545 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 33 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (565 resets) in 187 ms. (212 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (84 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 963951 steps, run timeout after 3001 ms. (steps per millisecond=321 ) properties seen :0 out of 1
Probabilistic random walk after 963951 steps, saw 136843 distinct states, run finished after 3001 ms. (steps per millisecond=321 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:20:58] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 03:20:58] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:20:58] [INFO ] Deduced a trap composed of 15 places in 135 ms of which 3 ms to minimize.
[2025-05-31 03:20:58] [INFO ] Deduced a trap composed of 19 places in 142 ms of which 3 ms to minimize.
[2025-05-31 03:20:58] [INFO ] Deduced a trap composed of 19 places in 158 ms of which 4 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/585 variables, 3/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 59/644 variables, 59/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 416 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1003 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/273 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/280 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/280 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 230/510 variables, 280/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:20:59] [INFO ] Deduced a trap composed of 12 places in 89 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 1/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/510 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/522 variables, 8/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 3/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/522 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/522 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/523 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/523 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/523 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/523 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 62/585 variables, 3/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/585 variables, 1/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/585 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 59/644 variables, 59/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/644 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/644 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 999 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 2016ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1367 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=195 )
Parikh walk visited 1 properties in 6 ms.
RANDOM walk for 40000 steps (526 resets) in 178 ms. (223 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1010798 steps, run timeout after 3001 ms. (steps per millisecond=336 ) properties seen :0 out of 1
Probabilistic random walk after 1010798 steps, saw 142978 distinct states, run finished after 3001 ms. (steps per millisecond=336 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:21:03] [INFO ] Computed 60 invariants in 6 ms
[2025-05-31 03:21:03] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:21:04] [INFO ] Deduced a trap composed of 12 places in 101 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:21:04] [INFO ] Deduced a trap composed of 6 places in 75 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 995 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1440ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1292 steps, including 1 resets, run visited all 1 properties in 6 ms. (steps per millisecond=215 )
Parikh walk visited 1 properties in 5 ms.
RANDOM walk for 40000 steps (515 resets) in 175 ms. (227 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 79 ms. (500 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1024822 steps, run timeout after 3001 ms. (steps per millisecond=341 ) properties seen :0 out of 1
Probabilistic random walk after 1024822 steps, saw 144763 distinct states, run finished after 3004 ms. (steps per millisecond=341 ) properties seen :0
[2025-05-31 03:21:07] [INFO ] Invariant cache hit.
[2025-05-31 03:21:07] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 710 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:21:08] [INFO ] Deduced a trap composed of 19 places in 61 ms of which 1 ms to minimize.
[2025-05-31 03:21:09] [INFO ] Deduced a trap composed of 17 places in 69 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 2/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 840 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1555ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 73324 steps, including 262 resets, run visited all 1 properties in 310 ms. (steps per millisecond=236 )
Parikh walk visited 1 properties in 310 ms.
RANDOM walk for 40000 steps (533 resets) in 223 ms. (178 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 837877 steps, run timeout after 3001 ms. (steps per millisecond=279 ) properties seen :0 out of 1
Probabilistic random walk after 837877 steps, saw 119285 distinct states, run finished after 3004 ms. (steps per millisecond=278 ) properties seen :0
[2025-05-31 03:21:12] [INFO ] Invariant cache hit.
[2025-05-31 03:21:12] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 373 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:21:13] [INFO ] Deduced a trap composed of 10 places in 125 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/292 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 416 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1117 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1511ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1107 steps, including 1 resets, run visited all 1 properties in 6 ms. (steps per millisecond=184 )
Parikh walk visited 1 properties in 5 ms.
RANDOM walk for 40000 steps (545 resets) in 184 ms. (216 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1020773 steps, run timeout after 3001 ms. (steps per millisecond=340 ) properties seen :0 out of 1
Probabilistic random walk after 1020773 steps, saw 144285 distinct states, run finished after 3001 ms. (steps per millisecond=340 ) properties seen :0
[2025-05-31 03:21:17] [INFO ] Invariant cache hit.
[2025-05-31 03:21:17] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 569 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:21:18] [INFO ] Deduced a trap composed of 16 places in 126 ms of which 3 ms to minimize.
[2025-05-31 03:21:18] [INFO ] Deduced a trap composed of 18 places in 139 ms of which 3 ms to minimize.
[2025-05-31 03:21:18] [INFO ] Deduced a trap composed of 20 places in 86 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 3/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1110 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1688ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 448 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 33 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (547 resets) in 183 ms. (217 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (92 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1055074 steps, run timeout after 3001 ms. (steps per millisecond=351 ) properties seen :0 out of 1
Probabilistic random walk after 1055074 steps, saw 148595 distinct states, run finished after 3001 ms. (steps per millisecond=351 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:21:22] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:21:22] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:21:22] [INFO ] Deduced a trap composed of 15 places in 211 ms of which 4 ms to minimize.
[2025-05-31 03:21:23] [INFO ] Deduced a trap composed of 18 places in 146 ms of which 2 ms to minimize.
[2025-05-31 03:21:23] [INFO ] Deduced a trap composed of 19 places in 145 ms of which 3 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/585 variables, 3/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 59/644 variables, 59/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 416 constraints, problems are : Problem set: 0 solved, 1 unsolved in 979 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/273 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/280 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/280 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 230/510 variables, 280/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:21:24] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 1/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/510 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/522 variables, 8/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 3/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/522 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/522 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/523 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/523 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/523 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/523 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 62/585 variables, 3/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/585 variables, 1/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/585 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 59/644 variables, 59/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/644 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/644 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 861 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1850ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 428 ms.
Support contains 1 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 11 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 351/351 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 10 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2025-05-31 03:21:24] [INFO ] Invariant cache hit.
[2025-05-31 03:21:25] [INFO ] Implicit Places using invariants in 619 ms returned []
[2025-05-31 03:21:25] [INFO ] Invariant cache hit.
[2025-05-31 03:21:25] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 03:21:26] [INFO ] Implicit Places using invariants and state equation in 1029 ms returned []
Implicit Place search using SMT with State Equation took 1652 ms to find 0 implicit places.
[2025-05-31 03:21:26] [INFO ] Redundant transitions in 4 ms returned []
Running 290 sub problems to find dead transitions.
[2025-05-31 03:21:26] [INFO ] Invariant cache hit.
[2025-05-31 03:21:26] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/350 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (OVERLAPS) 293/643 variables, 350/410 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/643 variables, 2/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/643 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (OVERLAPS) 1/644 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2025-05-31 03:21:46] [INFO ] Deduced a trap composed of 6 places in 74 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/644 variables, 1/414 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2025-05-31 03:21:52] [INFO ] Deduced a trap composed of 12 places in 206 ms of which 4 ms to minimize.
[2025-05-31 03:21:55] [INFO ] Deduced a trap composed of 7 places in 100 ms of which 2 ms to minimize.
[2025-05-31 03:21:56] [INFO ] Deduced a trap composed of 16 places in 273 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 644/644 variables, and 417 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 290 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (OVERLAPS) 2/350 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (OVERLAPS) 293/643 variables, 350/414 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 2/416 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 290/706 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 643/644 variables, and 706 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 350/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 4/4 constraints]
After SMT, in 60475ms problems are : Problem set: 0 solved, 290 unsolved
Search for dead transitions found 0 dead transitions in 60481ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62155 ms. Remains : 351/351 places, 293/293 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 351 transition count 293
Applied a total of 1 rules in 12 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:22:26] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:22:27] [INFO ] [Real]Absence check using 36 positive place invariants in 16 ms returned sat
[2025-05-31 03:22:27] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 34 ms returned sat
[2025-05-31 03:22:27] [INFO ] After 160ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-05-31 03:22:27] [INFO ] [Nat]Absence check using 36 positive place invariants in 12 ms returned sat
[2025-05-31 03:22:27] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 27 ms returned sat
[2025-05-31 03:22:27] [INFO ] After 367ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 03:22:27] [INFO ] After 411ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 03:22:27] [INFO ] After 575ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 759 ms.
RANDOM walk for 40000 steps (533 resets) in 183 ms. (217 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (88 resets) in 85 ms. (465 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 943052 steps, run timeout after 3001 ms. (steps per millisecond=314 ) properties seen :0 out of 1
Probabilistic random walk after 943052 steps, saw 134098 distinct states, run finished after 3001 ms. (steps per millisecond=314 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:22:30] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 03:22:30] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:22:31] [INFO ] Deduced a trap composed of 10 places in 89 ms of which 2 ms to minimize.
[2025-05-31 03:22:31] [INFO ] Deduced a trap composed of 12 places in 145 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/292 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:22:32] [INFO ] Deduced a trap composed of 16 places in 188 ms of which 4 ms to minimize.
[2025-05-31 03:22:32] [INFO ] Deduced a trap composed of 19 places in 177 ms of which 3 ms to minimize.
[2025-05-31 03:22:32] [INFO ] Deduced a trap composed of 18 places in 94 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 3/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 0/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 60/646 variables, 60/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 420 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1445 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 1755ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1253 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=313 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (525 resets) in 195 ms. (204 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (94 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1001958 steps, run timeout after 3001 ms. (steps per millisecond=333 ) properties seen :0 out of 1
Probabilistic random walk after 1001958 steps, saw 141794 distinct states, run finished after 3001 ms. (steps per millisecond=333 ) properties seen :0
[2025-05-31 03:22:35] [INFO ] Invariant cache hit.
[2025-05-31 03:22:35] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:22:36] [INFO ] Deduced a trap composed of 12 places in 139 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 60/646 variables, 60/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 737 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:22:37] [INFO ] Deduced a trap composed of 17 places in 104 ms of which 3 ms to minimize.
[2025-05-31 03:22:37] [INFO ] Deduced a trap composed of 24 places in 117 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 2/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 994 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1739ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1126 steps, including 1 resets, run visited all 1 properties in 6 ms. (steps per millisecond=187 )
Parikh walk visited 1 properties in 5 ms.
RANDOM walk for 40000 steps (538 resets) in 159 ms. (250 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 951197 steps, run timeout after 3001 ms. (steps per millisecond=316 ) properties seen :0 out of 1
Probabilistic random walk after 951197 steps, saw 135204 distinct states, run finished after 3001 ms. (steps per millisecond=316 ) properties seen :0
[2025-05-31 03:22:40] [INFO ] Invariant cache hit.
[2025-05-31 03:22:40] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:22:40] [INFO ] Deduced a trap composed of 16 places in 130 ms of which 3 ms to minimize.
[2025-05-31 03:22:41] [INFO ] Deduced a trap composed of 18 places in 158 ms of which 3 ms to minimize.
[2025-05-31 03:22:41] [INFO ] Deduced a trap composed of 20 places in 99 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 3/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 60/646 variables, 60/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 901 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:22:41] [INFO ] Deduced a trap composed of 8 places in 125 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/292 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/292 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 294/586 variables, 292/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 2/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 1/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:22:42] [INFO ] Deduced a trap composed of 17 places in 127 ms of which 3 ms to minimize.
[2025-05-31 03:22:42] [INFO ] Deduced a trap composed of 12 places in 81 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 2/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/586 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 60/646 variables, 60/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/646 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/646 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 421 constraints, problems are : Problem set: 0 solved, 1 unsolved in 998 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints]
After SMT, in 1904ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 248 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 17 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (550 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1099765 steps, run timeout after 3001 ms. (steps per millisecond=366 ) properties seen :0 out of 1
Probabilistic random walk after 1099765 steps, saw 153917 distinct states, run finished after 3001 ms. (steps per millisecond=366 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:22:45] [INFO ] Computed 60 invariants in 6 ms
[2025-05-31 03:22:45] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 570 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/522 variables, 8/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 3/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/585 variables, 3/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 59/644 variables, 59/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:22:46] [INFO ] Deduced a trap composed of 5 places in 63 ms of which 2 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/644 variables, 1/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/644 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 780 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1360ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 195 ms.
Support contains 1 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 6 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 351/351 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 6 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2025-05-31 03:22:47] [INFO ] Invariant cache hit.
[2025-05-31 03:22:47] [INFO ] Implicit Places using invariants in 554 ms returned []
[2025-05-31 03:22:47] [INFO ] Invariant cache hit.
[2025-05-31 03:22:48] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 03:22:48] [INFO ] Implicit Places using invariants and state equation in 1152 ms returned []
Implicit Place search using SMT with State Equation took 1708 ms to find 0 implicit places.
[2025-05-31 03:22:48] [INFO ] Redundant transitions in 3 ms returned []
Running 290 sub problems to find dead transitions.
[2025-05-31 03:22:48] [INFO ] Invariant cache hit.
[2025-05-31 03:22:48] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/350 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (OVERLAPS) 293/643 variables, 350/410 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/643 variables, 2/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/643 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (OVERLAPS) 1/644 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2025-05-31 03:23:10] [INFO ] Deduced a trap composed of 6 places in 52 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/644 variables, 1/414 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2025-05-31 03:23:17] [INFO ] Deduced a trap composed of 12 places in 209 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 644/644 variables, and 415 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 290 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 2/55 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (OVERLAPS) 2/350 variables, 7/62 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (OVERLAPS) 293/643 variables, 350/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/643 variables, 2/414 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 290/704 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 643/644 variables, and 704 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 350/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 2/2 constraints]
After SMT, in 60441ms problems are : Problem set: 0 solved, 290 unsolved
Search for dead transitions found 0 dead transitions in 60448ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62176 ms. Remains : 351/351 places, 293/293 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 351 transition count 293
Applied a total of 1 rules in 28 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:23:49] [INFO ] Computed 60 invariants in 7 ms
[2025-05-31 03:23:49] [INFO ] [Real]Absence check using 36 positive place invariants in 13 ms returned sat
[2025-05-31 03:23:49] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 27 ms returned sat
[2025-05-31 03:23:49] [INFO ] After 237ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-05-31 03:23:49] [INFO ] [Nat]Absence check using 36 positive place invariants in 14 ms returned sat
[2025-05-31 03:23:49] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 37 ms returned sat
[2025-05-31 03:23:50] [INFO ] After 370ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 03:23:50] [INFO ] After 413ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 03:23:50] [INFO ] After 595ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 873 ms.
RANDOM walk for 40000 steps (551 resets) in 176 ms. (225 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 916741 steps, run timeout after 3001 ms. (steps per millisecond=305 ) properties seen :0 out of 1
Probabilistic random walk after 916741 steps, saw 130529 distinct states, run finished after 3001 ms. (steps per millisecond=305 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:23:53] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:23:53] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 410 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 60/646 variables, 60/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 846 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1266ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 946 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=189 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (539 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (80 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1028588 steps, run timeout after 3001 ms. (steps per millisecond=342 ) properties seen :0 out of 1
Probabilistic random walk after 1028588 steps, saw 145295 distinct states, run finished after 3001 ms. (steps per millisecond=342 ) properties seen :0
[2025-05-31 03:23:57] [INFO ] Invariant cache hit.
[2025-05-31 03:23:57] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 389 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 60/646 variables, 60/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 415 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: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 768ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 4823 steps, including 16 resets, run visited all 1 properties in 22 ms. (steps per millisecond=219 )
Parikh walk visited 1 properties in 21 ms.
RANDOM walk for 40000 steps (518 resets) in 161 ms. (246 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (78 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 964464 steps, run timeout after 3001 ms. (steps per millisecond=321 ) properties seen :0 out of 1
Probabilistic random walk after 964464 steps, saw 136897 distinct states, run finished after 3001 ms. (steps per millisecond=321 ) properties seen :0
[2025-05-31 03:24:01] [INFO ] Invariant cache hit.
[2025-05-31 03:24:01] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:24:01] [INFO ] Deduced a trap composed of 16 places in 100 ms of which 3 ms to minimize.
[2025-05-31 03:24:01] [INFO ] Deduced a trap composed of 18 places in 92 ms of which 2 ms to minimize.
[2025-05-31 03:24:02] [INFO ] Deduced a trap composed of 20 places in 67 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 3/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 60/646 variables, 60/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 694 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:24:02] [INFO ] Deduced a trap composed of 10 places in 92 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/292 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/292 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 294/586 variables, 292/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 2/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 1/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 60/646 variables, 60/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 419 constraints, problems are : Problem set: 0 solved, 1 unsolved in 896 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1595ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 30157 steps, including 67 resets, run visited all 1 properties in 130 ms. (steps per millisecond=231 )
Parikh walk visited 1 properties in 130 ms.
RANDOM walk for 40000 steps (528 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (95 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1022913 steps, run timeout after 3001 ms. (steps per millisecond=340 ) properties seen :0 out of 1
Probabilistic random walk after 1022913 steps, saw 144546 distinct states, run finished after 3001 ms. (steps per millisecond=340 ) properties seen :0
[2025-05-31 03:24:06] [INFO ] Invariant cache hit.
[2025-05-31 03:24:06] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:24:06] [INFO ] Deduced a trap composed of 18 places in 84 ms of which 2 ms to minimize.
[2025-05-31 03:24:06] [INFO ] Deduced a trap composed of 17 places in 157 ms of which 3 ms to minimize.
[2025-05-31 03:24:07] [INFO ] Deduced a trap composed of 18 places in 134 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 3/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 60/646 variables, 60/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 795 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 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: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1625ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 300 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 31 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (542 resets) in 217 ms. (183 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (95 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 971020 steps, run timeout after 3001 ms. (steps per millisecond=323 ) properties seen :0 out of 1
Probabilistic random walk after 971020 steps, saw 137775 distinct states, run finished after 3004 ms. (steps per millisecond=323 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:24:11] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:24:11] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:24:11] [INFO ] Deduced a trap composed of 11 places in 108 ms of which 3 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/585 variables, 3/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 59/644 variables, 59/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/644 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/644 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 550 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:24:12] [INFO ] Deduced a trap composed of 7 places in 150 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/248 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/273 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/273 variables, 1/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/273 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/280 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/280 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 230/510 variables, 280/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 2/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 1/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/510 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/522 variables, 8/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 3/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/522 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/523 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/523 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/523 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 62/585 variables, 3/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/585 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/585 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 59/644 variables, 59/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 416 constraints, problems are : Problem set: 0 solved, 1 unsolved in 649 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1208ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 799 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=159 )
Parikh walk visited 1 properties in 5 ms.
RANDOM walk for 40000 steps (514 resets) in 157 ms. (253 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (94 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1018023 steps, run timeout after 3001 ms. (steps per millisecond=339 ) properties seen :0 out of 1
Probabilistic random walk after 1018023 steps, saw 143930 distinct states, run finished after 3001 ms. (steps per millisecond=339 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2025-05-31 03:24:15] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:24:15] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:24:16] [INFO ] Deduced a trap composed of 10 places in 146 ms of which 3 ms to minimize.
[2025-05-31 03:24:16] [INFO ] Deduced a trap composed of 12 places in 144 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/292 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 294/586 variables, 292/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 2/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:24:17] [INFO ] Deduced a trap composed of 12 places in 144 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1186 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1729ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 750 steps, including 1 resets, run visited all 1 properties in 3 ms. (steps per millisecond=250 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (525 resets) in 183 ms. (217 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1006966 steps, run timeout after 3001 ms. (steps per millisecond=335 ) properties seen :0 out of 1
Probabilistic random walk after 1006966 steps, saw 142473 distinct states, run finished after 3001 ms. (steps per millisecond=335 ) properties seen :0
[2025-05-31 03:24:20] [INFO ] Invariant cache hit.
[2025-05-31 03:24:20] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 499 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 60/646 variables, 60/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 475 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 981ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 693 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=346 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (537 resets) in 156 ms. (254 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (92 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1069296 steps, run timeout after 3001 ms. (steps per millisecond=356 ) properties seen :0 out of 1
Probabilistic random walk after 1069296 steps, saw 150286 distinct states, run finished after 3001 ms. (steps per millisecond=356 ) properties seen :0
[2025-05-31 03:24:24] [INFO ] Invariant cache hit.
[2025-05-31 03:24:24] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 364 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 60/646 variables, 60/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 517 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 899ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 14089 steps, including 77 resets, run visited all 1 properties in 62 ms. (steps per millisecond=227 )
Parikh walk visited 1 properties in 63 ms.
RANDOM walk for 40000 steps (540 resets) in 156 ms. (254 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (91 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 924308 steps, run timeout after 3001 ms. (steps per millisecond=308 ) properties seen :0 out of 1
Probabilistic random walk after 924308 steps, saw 131548 distinct states, run finished after 3001 ms. (steps per millisecond=308 ) properties seen :0
[2025-05-31 03:24:28] [INFO ] Invariant cache hit.
[2025-05-31 03:24:28] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 60/646 variables, 60/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 547 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 981ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 5183 steps, including 19 resets, run visited all 1 properties in 23 ms. (steps per millisecond=225 )
Parikh walk visited 1 properties in 22 ms.
RANDOM walk for 40000 steps (525 resets) in 166 ms. (239 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (91 resets) in 72 ms. (548 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1081045 steps, run timeout after 3001 ms. (steps per millisecond=360 ) properties seen :0 out of 1
Probabilistic random walk after 1081045 steps, saw 151580 distinct states, run finished after 3001 ms. (steps per millisecond=360 ) properties seen :0
[2025-05-31 03:24:32] [INFO ] Invariant cache hit.
[2025-05-31 03:24:32] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 1 unsolved in 532 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:24:33] [INFO ] Deduced a trap composed of 16 places in 146 ms of which 5 ms to minimize.
[2025-05-31 03:24:33] [INFO ] Deduced a trap composed of 19 places in 181 ms of which 6 ms to minimize.
[2025-05-31 03:24:33] [INFO ] Deduced a trap composed of 24 places in 103 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 3/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 907 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1448ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 613 steps, including 2 resets, run visited all 1 properties in 3 ms. (steps per millisecond=204 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (533 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (77 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1062335 steps, run timeout after 3001 ms. (steps per millisecond=353 ) properties seen :0 out of 1
Probabilistic random walk after 1062335 steps, saw 149464 distinct states, run finished after 3004 ms. (steps per millisecond=353 ) properties seen :0
[2025-05-31 03:24:37] [INFO ] Invariant cache hit.
[2025-05-31 03:24:37] [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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/646 variables, 60/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 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: 352/352 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) 213/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/274 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/292 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/586 variables, 292/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/586 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:24:37] [INFO ] Deduced a trap composed of 16 places in 132 ms of which 3 ms to minimize.
[2025-05-31 03:24:38] [INFO ] Deduced a trap composed of 18 places in 134 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 2/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/586 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 60/646 variables, 60/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 417 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: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1047ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 188 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 351 transition count 293
Applied a total of 2 rules in 31 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 351/352 places, 293/294 transitions.
RANDOM walk for 40000 steps (547 resets) in 153 ms. (259 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (98 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 964339 steps, run timeout after 3001 ms. (steps per millisecond=321 ) properties seen :0 out of 1
Probabilistic random walk after 964339 steps, saw 136885 distinct states, run finished after 3001 ms. (steps per millisecond=321 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2025-05-31 03:24:41] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 03:24:41] [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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/522 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/523 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/523 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/585 variables, 3/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/585 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 59/644 variables, 59/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 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: 351/351 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) 212/213 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/248 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/273 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/273 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/280 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/510 variables, 280/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:24:42] [INFO ] Deduced a trap composed of 12 places in 59 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/510 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/522 variables, 8/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/523 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/523 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 62/585 variables, 3/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/585 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/585 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 59/644 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 03:24:42] [INFO ] Deduced a trap composed of 5 places in 94 ms of which 2 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/644 variables, 1/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/644 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 416 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: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1026ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 154 ms.
Support contains 1 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 10 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 351/351 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 10 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2025-05-31 03:24:42] [INFO ] Invariant cache hit.
[2025-05-31 03:24:43] [INFO ] Implicit Places using invariants in 542 ms returned []
[2025-05-31 03:24:43] [INFO ] Invariant cache hit.
[2025-05-31 03:24:43] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 03:24:44] [INFO ] Implicit Places using invariants and state equation in 957 ms returned []
Implicit Place search using SMT with State Equation took 1502 ms to find 0 implicit places.
[2025-05-31 03:24:44] [INFO ] Redundant transitions in 2 ms returned []
Running 290 sub problems to find dead transitions.
[2025-05-31 03:24:44] [INFO ] Invariant cache hit.
[2025-05-31 03:24:44] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 290 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/350 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (OVERLAPS) 293/643 variables, 350/410 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/643 variables, 2/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/643 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (OVERLAPS) 1/644 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2025-05-31 03:25:05] [INFO ] Deduced a trap composed of 6 places in 46 ms of which 1 ms to minimize.

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-60a"
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-60a, 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-174854076500227"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-60a.tgz
mv DES-PT-60a 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 ;