Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r482-tall-171624202000447.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DES-PT-40a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r482-tall-171624202000447
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 6.0K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 22 14:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 19 18:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 12 08:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 137K Apr 12 08:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Apr 12 08:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Apr 12 08:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Apr 22 14:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Apr 22 14:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 83K May 18 16:42 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1717180083160

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DES-PT-40a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 18:28:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-31 18:28:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 18:28:04] [INFO ] Load time of PNML (sax parser for PT used): 86 ms
[2024-05-31 18:28:04] [INFO ] Transformed 274 places.
[2024-05-31 18:28:04] [INFO ] Transformed 231 transitions.
[2024-05-31 18:28:04] [INFO ] Found NUPN structural information;
[2024-05-31 18:28:04] [INFO ] Parsed PT model containing 274 places and 231 transitions and 1116 arcs in 202 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 274/274 places, 231/231 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 274 transition count 217
Applied a total of 14 rules in 30 ms. Remains 274 /274 variables (removed 0) and now considering 217/231 (removed 14) transitions.
// Phase 1: matrix 217 rows 274 cols
[2024-05-31 18:28:04] [INFO ] Computed 59 invariants in 31 ms
[2024-05-31 18:28:05] [INFO ] Implicit Places using invariants in 559 ms returned [171]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 596 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 273/274 places, 217/231 transitions.
Applied a total of 0 rules in 9 ms. Remains 273 /273 variables (removed 0) and now considering 217/217 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 650 ms. Remains : 273/274 places, 217/231 transitions.
Discarding 9 transitions out of 217. Remains 208
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (879 resets) in 2632 ms. (15 steps per ms) remains 144/207 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 144/144 properties
BEST_FIRST walk for 402 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 144/144 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 144/144 properties
BEST_FIRST walk for 402 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 144/144 properties
// Phase 1: matrix 217 rows 273 cols
[2024-05-31 18:28:06] [INFO ] Computed 58 invariants in 7 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 149/149 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/149 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 10/159 variables, 6/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/159 variables, 10/165 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/159 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 64/223 variables, 27/192 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/223 variables, 64/256 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/223 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 37/260 variables, 23/279 constraints. Problems are: Problem set: 0 solved, 144 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/260 variables, 37/316 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/260 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 11 (OVERLAPS) 6/266 variables, 2/318 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 6/324 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 482/490 variables, and 590 constraints, problems are : Problem set: 0 solved, 144 unsolved in 5027 ms.
Refiners :[Domain max(s): 266/273 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 266/273 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 149/149 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/149 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 10/159 variables, 6/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/159 variables, 10/165 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/159 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 64/223 variables, 27/192 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/223 variables, 64/256 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/223 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 37/260 variables, 23/279 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/260 variables, 37/316 constraints. Problems are: Problem set: 0 solved, 144 unsolved
[2024-05-31 18:28:13] [INFO ] Deduced a trap composed of 11 places in 51 ms of which 10 ms to minimize.
[2024-05-31 18:28:13] [INFO ] Deduced a trap composed of 9 places in 33 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/260 variables, 2/318 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/260 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 12 (OVERLAPS) 6/266 variables, 2/320 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 6/326 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 15 (OVERLAPS) 216/482 variables, 266/592 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 482/490 variables, and 630 constraints, problems are : Problem set: 0 solved, 144 unsolved in 5023 ms.
Refiners :[Domain max(s): 266/273 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 266/273 constraints, PredecessorRefiner: 38/144 constraints, Known Traps: 2/2 constraints]
After SMT, in 10267ms problems are : Problem set: 0 solved, 144 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 149 out of 273 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 273/273 places, 217/217 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 273 transition count 215
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 272 transition count 214
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 272 transition count 214
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 272 transition count 214
Applied a total of 8 rules in 40 ms. Remains 272 /273 variables (removed 1) and now considering 214/217 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 272/273 places, 214/217 transitions.
RANDOM walk for 4000000 steps (53851 resets) in 39201 ms. (102 steps per ms) remains 133/144 properties
BEST_FIRST walk for 40004 steps (83 resets) in 149 ms. (266 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (98 resets) in 133 ms. (298 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (92 resets) in 180 ms. (221 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (95 resets) in 194 ms. (205 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40001 steps (90 resets) in 160 ms. (248 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40002 steps (85 resets) in 171 ms. (232 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (93 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (87 resets) in 101 ms. (392 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (88 resets) in 92 ms. (430 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (95 resets) in 95 ms. (416 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40002 steps (88 resets) in 92 ms. (430 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40002 steps (95 resets) in 93 ms. (425 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (90 resets) in 96 ms. (412 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (85 resets) in 91 ms. (434 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (81 resets) in 92 ms. (430 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (88 resets) in 93 ms. (425 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (86 resets) in 93 ms. (425 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (94 resets) in 92 ms. (430 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (83 resets) in 96 ms. (412 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (93 resets) in 95 ms. (416 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (92 resets) in 93 ms. (425 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (93 resets) in 91 ms. (434 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40002 steps (92 resets) in 98 ms. (404 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (89 resets) in 94 ms. (421 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (88 resets) in 94 ms. (421 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (92 resets) in 92 ms. (430 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (89 resets) in 94 ms. (421 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (91 resets) in 93 ms. (425 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (98 resets) in 93 ms. (425 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (88 resets) in 97 ms. (408 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (82 resets) in 92 ms. (430 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (85 resets) in 90 ms. (439 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (82 resets) in 105 ms. (377 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (82 resets) in 89 ms. (444 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (91 resets) in 94 ms. (421 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (67 resets) in 96 ms. (412 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (65 resets) in 103 ms. (384 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (72 resets) in 94 ms. (421 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (69 resets) in 95 ms. (416 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (63 resets) in 98 ms. (404 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (61 resets) in 94 ms. (421 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (61 resets) in 95 ms. (416 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40002 steps (65 resets) in 97 ms. (408 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (60 resets) in 93 ms. (425 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (73 resets) in 97 ms. (408 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (67 resets) in 100 ms. (396 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (70 resets) in 96 ms. (412 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (71 resets) in 94 ms. (421 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (61 resets) in 101 ms. (392 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40002 steps (65 resets) in 96 ms. (412 steps per ms) remains 133/133 properties
Interrupted probabilistic random walk after 6500867 steps, run timeout after 33001 ms. (steps per millisecond=196 ) properties seen :0 out of 133
Probabilistic random walk after 6500867 steps, saw 836476 distinct states, run finished after 33007 ms. (steps per millisecond=196 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:29:01] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:29:01] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (OVERLAPS) 10/148 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/148 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 72/220 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/220 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (OVERLAPS) 43/263 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 133 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (OVERLAPS) 214/477 variables, 263/323 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/477 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 133 unsolved
[2024-05-31 18:29:05] [INFO ] Deduced a trap composed of 12 places in 63 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/477 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 133 unsolved
[2024-05-31 18:29:07] [INFO ] Deduced a trap composed of 12 places in 75 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/477 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/477 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 12 (OVERLAPS) 9/486 variables, 9/336 constraints. Problems are: Problem set: 0 solved, 133 unsolved
[2024-05-31 18:29:09] [INFO ] Deduced a trap composed of 7 places in 66 ms of which 15 ms to minimize.
[2024-05-31 18:29:09] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 1 ms to minimize.
[2024-05-31 18:29:10] [INFO ] Deduced a trap composed of 16 places in 58 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 3/339 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 133 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 339 constraints, problems are : Problem set: 0 solved, 133 unsolved in 13811 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 133 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (OVERLAPS) 10/148 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/148 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 72/220 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/220 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/220 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 6 (OVERLAPS) 43/263 variables, 24/61 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 9 (OVERLAPS) 214/477 variables, 263/327 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/477 variables, 2/329 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/477 variables, 35/364 constraints. Problems are: Problem set: 0 solved, 133 unsolved
[2024-05-31 18:29:19] [INFO ] Deduced a trap composed of 19 places in 58 ms of which 1 ms to minimize.
[2024-05-31 18:29:19] [INFO ] Deduced a trap composed of 18 places in 54 ms of which 2 ms to minimize.
[2024-05-31 18:29:20] [INFO ] Deduced a trap composed of 9 places in 64 ms of which 9 ms to minimize.
[2024-05-31 18:29:20] [INFO ] Deduced a trap composed of 10 places in 51 ms of which 2 ms to minimize.
[2024-05-31 18:29:23] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/477 variables, 5/369 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/477 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 14 (OVERLAPS) 9/486 variables, 9/378 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 98/476 constraints. Problems are: Problem set: 0 solved, 133 unsolved
SMT process timed out in 58946ms, After SMT, problems are : Problem set: 0 solved, 133 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 138 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 transitions.
Applied a total of 0 rules in 12 ms. Remains 272 /272 variables (removed 0) and now considering 214/214 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 272/272 places, 214/214 transitions.
RANDOM walk for 4000000 steps (53857 resets) in 37275 ms. (107 steps per ms) remains 131/133 properties
BEST_FIRST walk for 40004 steps (88 resets) in 109 ms. (363 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (97 resets) in 93 ms. (425 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (95 resets) in 93 ms. (425 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (93 resets) in 92 ms. (430 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (89 resets) in 93 ms. (425 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (88 resets) in 89 ms. (444 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (93 resets) in 89 ms. (444 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (97 resets) in 94 ms. (421 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (87 resets) in 94 ms. (421 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (82 resets) in 89 ms. (444 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (86 resets) in 90 ms. (439 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (96 resets) in 96 ms. (412 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40002 steps (85 resets) in 87 ms. (454 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (86 resets) in 91 ms. (434 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (88 resets) in 90 ms. (439 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (93 resets) in 93 ms. (425 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40001 steps (94 resets) in 91 ms. (434 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (87 resets) in 90 ms. (439 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (86 resets) in 88 ms. (449 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (92 resets) in 94 ms. (421 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (84 resets) in 85 ms. (465 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (92 resets) in 91 ms. (434 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (90 resets) in 91 ms. (434 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40002 steps (90 resets) in 94 ms. (421 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (89 resets) in 94 ms. (421 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (83 resets) in 91 ms. (434 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (86 resets) in 89 ms. (444 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (83 resets) in 94 ms. (421 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (92 resets) in 90 ms. (439 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (91 resets) in 89 ms. (444 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (102 resets) in 92 ms. (430 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (78 resets) in 92 ms. (430 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (96 resets) in 92 ms. (430 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (87 resets) in 88 ms. (449 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40002 steps (68 resets) in 97 ms. (408 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (60 resets) in 91 ms. (434 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (65 resets) in 93 ms. (425 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (72 resets) in 93 ms. (425 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (67 resets) in 95 ms. (416 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (67 resets) in 91 ms. (434 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (71 resets) in 93 ms. (425 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (69 resets) in 96 ms. (412 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (67 resets) in 91 ms. (434 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (66 resets) in 90 ms. (439 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (66 resets) in 91 ms. (434 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40001 steps (74 resets) in 98 ms. (404 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (73 resets) in 93 ms. (425 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40004 steps (66 resets) in 94 ms. (421 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (58 resets) in 95 ms. (416 steps per ms) remains 131/131 properties
BEST_FIRST walk for 40003 steps (66 resets) in 93 ms. (425 steps per ms) remains 131/131 properties
Interrupted probabilistic random walk after 6930117 steps, run timeout after 33001 ms. (steps per millisecond=209 ) properties seen :0 out of 131
Probabilistic random walk after 6930117 steps, saw 892857 distinct states, run finished after 33002 ms. (steps per millisecond=209 ) properties seen :0
[2024-05-31 18:30:44] [INFO ] Invariant cache hit.
[2024-05-31 18:30:44] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/136 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 1 (OVERLAPS) 10/146 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 3 (OVERLAPS) 72/218 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 5 (OVERLAPS) 45/263 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 131 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 7 (OVERLAPS) 214/477 variables, 263/323 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/477 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 131 unsolved
[2024-05-31 18:30:49] [INFO ] Deduced a trap composed of 16 places in 64 ms of which 1 ms to minimize.
[2024-05-31 18:30:49] [INFO ] Deduced a trap composed of 17 places in 60 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/477 variables, 2/327 constraints. Problems are: Problem set: 0 solved, 131 unsolved
[2024-05-31 18:30:51] [INFO ] Deduced a trap composed of 11 places in 64 ms of which 1 ms to minimize.
[2024-05-31 18:30:51] [INFO ] Deduced a trap composed of 17 places in 56 ms of which 1 ms to minimize.
[2024-05-31 18:30:51] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:30:51] [INFO ] Deduced a trap composed of 16 places in 58 ms of which 1 ms to minimize.
[2024-05-31 18:30:51] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/477 variables, 5/332 constraints. Problems are: Problem set: 0 solved, 131 unsolved
[2024-05-31 18:30:52] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 1 ms to minimize.
[2024-05-31 18:30:52] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/477 variables, 2/334 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/477 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 13 (OVERLAPS) 9/486 variables, 9/343 constraints. Problems are: Problem set: 0 solved, 131 unsolved
[2024-05-31 18:30:56] [INFO ] Deduced a trap composed of 8 places in 33 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 1/344 constraints. Problems are: Problem set: 0 solved, 131 unsolved
[2024-05-31 18:30:57] [INFO ] Deduced a trap composed of 7 places in 49 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 1/345 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/486 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 17 (OVERLAPS) 0/486 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 131 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 345 constraints, problems are : Problem set: 0 solved, 131 unsolved in 17691 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 131/131 constraints, Known Traps: 11/11 constraints]
Escalating to Integer solving :Problem set: 0 solved, 131 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/136 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 1 (OVERLAPS) 10/146 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 3 (OVERLAPS) 72/218 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 6 (OVERLAPS) 45/263 variables, 24/61 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 9/70 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 9 (OVERLAPS) 214/477 variables, 263/333 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/477 variables, 2/335 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/477 variables, 34/369 constraints. Problems are: Problem set: 0 solved, 131 unsolved
[2024-05-31 18:31:11] [INFO ] Deduced a trap composed of 9 places in 87 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/477 variables, 1/370 constraints. Problems are: Problem set: 0 solved, 131 unsolved
[2024-05-31 18:31:26] [INFO ] Deduced a trap composed of 10 places in 62 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/477 variables, 1/371 constraints. Problems are: Problem set: 0 solved, 131 unsolved
[2024-05-31 18:31:36] [INFO ] Deduced a trap composed of 20 places in 60 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/477 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 131 unsolved
[2024-05-31 18:31:49] [INFO ] Deduced a trap composed of 8 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:31:49] [INFO ] Deduced a trap composed of 13 places in 62 ms of which 2 ms to minimize.
[2024-05-31 18:31:50] [INFO ] Deduced a trap composed of 17 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:31:50] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/477 variables, 4/376 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/477 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 17 (OVERLAPS) 9/486 variables, 9/385 constraints. Problems are: Problem set: 0 solved, 131 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 486/486 variables, and 482 constraints, problems are : Problem set: 0 solved, 131 unsolved in 75031 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 131/131 constraints, Known Traps: 17/18 constraints]
After SMT, in 92823ms problems are : Problem set: 0 solved, 131 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 136 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 transitions.
Applied a total of 0 rules in 8 ms. Remains 272 /272 variables (removed 0) and now considering 214/214 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 272/272 places, 214/214 transitions.
RANDOM walk for 4000000 steps (53865 resets) in 45513 ms. (87 steps per ms) remains 130/131 properties
BEST_FIRST walk for 40002 steps (84 resets) in 118 ms. (336 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (87 resets) in 119 ms. (333 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (89 resets) in 120 ms. (330 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (91 resets) in 174 ms. (228 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (93 resets) in 151 ms. (263 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (88 resets) in 132 ms. (300 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (84 resets) in 110 ms. (360 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (86 resets) in 156 ms. (254 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (92 resets) in 142 ms. (279 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (91 resets) in 132 ms. (300 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (88 resets) in 156 ms. (254 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (91 resets) in 175 ms. (227 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (93 resets) in 136 ms. (292 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (89 resets) in 194 ms. (205 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (103 resets) in 126 ms. (314 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (86 resets) in 175 ms. (227 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (90 resets) in 174 ms. (228 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (91 resets) in 133 ms. (298 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (87 resets) in 123 ms. (322 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (95 resets) in 176 ms. (226 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (90 resets) in 143 ms. (277 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (93 resets) in 171 ms. (232 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (92 resets) in 93 ms. (425 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40001 steps (93 resets) in 92 ms. (430 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (89 resets) in 163 ms. (243 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (79 resets) in 148 ms. (268 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (85 resets) in 161 ms. (246 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (83 resets) in 123 ms. (322 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (92 resets) in 147 ms. (270 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (90 resets) in 178 ms. (223 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (96 resets) in 133 ms. (298 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (94 resets) in 144 ms. (275 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (84 resets) in 130 ms. (305 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (95 resets) in 128 ms. (310 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (68 resets) in 180 ms. (221 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (64 resets) in 109 ms. (363 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (69 resets) in 228 ms. (174 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (61 resets) in 193 ms. (206 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (68 resets) in 191 ms. (208 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (73 resets) in 167 ms. (238 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (66 resets) in 130 ms. (305 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (73 resets) in 144 ms. (275 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (67 resets) in 153 ms. (259 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (74 resets) in 136 ms. (291 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (70 resets) in 197 ms. (202 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (70 resets) in 200 ms. (199 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (71 resets) in 130 ms. (305 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (62 resets) in 174 ms. (228 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (69 resets) in 180 ms. (221 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (72 resets) in 173 ms. (229 steps per ms) remains 130/130 properties
Interrupted probabilistic random walk after 9742528 steps, run timeout after 51001 ms. (steps per millisecond=191 ) properties seen :0 out of 130
Probabilistic random walk after 9742528 steps, saw 1236146 distinct states, run finished after 51002 ms. (steps per millisecond=191 ) properties seen :0
[2024-05-31 18:33:25] [INFO ] Invariant cache hit.
[2024-05-31 18:33:25] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 1 (OVERLAPS) 10/145 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 3 (OVERLAPS) 72/217 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 5 (OVERLAPS) 46/263 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 130 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 7 (OVERLAPS) 214/477 variables, 263/323 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/477 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:33:29] [INFO ] Deduced a trap composed of 16 places in 55 ms of which 1 ms to minimize.
[2024-05-31 18:33:29] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 1 ms to minimize.
[2024-05-31 18:33:29] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 2 ms to minimize.
[2024-05-31 18:33:30] [INFO ] Deduced a trap composed of 13 places in 59 ms of which 2 ms to minimize.
[2024-05-31 18:33:30] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/477 variables, 5/330 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:33:32] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:33:32] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/477 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:33:33] [INFO ] Deduced a trap composed of 9 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:33:33] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/477 variables, 2/334 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/477 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 13 (OVERLAPS) 9/486 variables, 9/343 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:33:37] [INFO ] Deduced a trap composed of 8 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:33:37] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 2/345 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:33:37] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:33:38] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 2/347 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/486 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:33:42] [INFO ] Deduced a trap composed of 9 places in 53 ms of which 3 ms to minimize.
[2024-05-31 18:33:42] [INFO ] Deduced a trap composed of 8 places in 52 ms of which 1 ms to minimize.
At refinement iteration 17 (OVERLAPS) 0/486 variables, 2/349 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/486 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:33:44] [INFO ] Deduced a trap composed of 8 places in 33 ms of which 1 ms to minimize.
At refinement iteration 19 (OVERLAPS) 0/486 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/486 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 21 (OVERLAPS) 0/486 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 130 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 350 constraints, problems are : Problem set: 0 solved, 130 unsolved in 23542 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 130/130 constraints, Known Traps: 16/16 constraints]
Escalating to Integer solving :Problem set: 0 solved, 130 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 1 (OVERLAPS) 10/145 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 3 (OVERLAPS) 72/217 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/217 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 6 (OVERLAPS) 46/263 variables, 24/61 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 13/74 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 9 (OVERLAPS) 214/477 variables, 263/337 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/477 variables, 2/339 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/477 variables, 34/373 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/477 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 13 (OVERLAPS) 9/486 variables, 9/382 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 96/478 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 2/480 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/486 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 130 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 486/486 variables, and 480 constraints, problems are : Problem set: 0 solved, 130 unsolved in 90017 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 130/130 constraints, Known Traps: 16/16 constraints]
After SMT, in 113662ms problems are : Problem set: 0 solved, 130 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 135 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 transitions.
Applied a total of 0 rules in 9 ms. Remains 272 /272 variables (removed 0) and now considering 214/214 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 272/272 places, 214/214 transitions.
RANDOM walk for 4000000 steps (53826 resets) in 59360 ms. (67 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (95 resets) in 119 ms. (333 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (88 resets) in 218 ms. (182 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (98 resets) in 128 ms. (310 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (85 resets) in 193 ms. (206 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (88 resets) in 142 ms. (279 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (89 resets) in 182 ms. (218 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (89 resets) in 173 ms. (229 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (92 resets) in 215 ms. (185 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (91 resets) in 174 ms. (228 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (99 resets) in 205 ms. (194 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (91 resets) in 112 ms. (354 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (85 resets) in 170 ms. (233 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (84 resets) in 179 ms. (222 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (85 resets) in 138 ms. (287 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (89 resets) in 217 ms. (183 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (85 resets) in 171 ms. (232 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (86 resets) in 198 ms. (201 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (88 resets) in 123 ms. (322 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (92 resets) in 154 ms. (258 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (90 resets) in 121 ms. (327 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (89 resets) in 186 ms. (213 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (83 resets) in 150 ms. (264 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (84 resets) in 127 ms. (312 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (85 resets) in 126 ms. (314 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (88 resets) in 168 ms. (236 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (88 resets) in 175 ms. (227 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (84 resets) in 138 ms. (287 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (87 resets) in 107 ms. (370 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40001 steps (85 resets) in 169 ms. (235 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (85 resets) in 183 ms. (217 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (81 resets) in 177 ms. (224 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (91 resets) in 138 ms. (287 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (91 resets) in 110 ms. (360 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (86 resets) in 191 ms. (208 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (66 resets) in 189 ms. (210 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (71 resets) in 191 ms. (208 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (64 resets) in 144 ms. (275 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (71 resets) in 160 ms. (248 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (66 resets) in 155 ms. (256 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (64 resets) in 158 ms. (251 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (64 resets) in 134 ms. (296 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (65 resets) in 173 ms. (229 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (64 resets) in 168 ms. (236 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (70 resets) in 132 ms. (300 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (68 resets) in 132 ms. (300 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (67 resets) in 144 ms. (275 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (75 resets) in 137 ms. (289 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (68 resets) in 179 ms. (222 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (65 resets) in 147 ms. (270 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (71 resets) in 177 ms. (224 steps per ms) remains 130/130 properties
Probabilistic random walk after 10000001 steps, saw 1268357 distinct states, run finished after 49100 ms. (steps per millisecond=203 ) properties seen :0
[2024-05-31 18:36:27] [INFO ] Invariant cache hit.
[2024-05-31 18:36:27] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 1 (OVERLAPS) 10/145 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 3 (OVERLAPS) 72/217 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 5 (OVERLAPS) 46/263 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 130 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 7 (OVERLAPS) 214/477 variables, 263/323 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/477 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:36:31] [INFO ] Deduced a trap composed of 16 places in 67 ms of which 1 ms to minimize.
[2024-05-31 18:36:31] [INFO ] Deduced a trap composed of 18 places in 67 ms of which 2 ms to minimize.
[2024-05-31 18:36:31] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:36:32] [INFO ] Deduced a trap composed of 13 places in 61 ms of which 1 ms to minimize.
[2024-05-31 18:36:32] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/477 variables, 5/330 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:36:34] [INFO ] Deduced a trap composed of 20 places in 58 ms of which 1 ms to minimize.
[2024-05-31 18:36:34] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/477 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:36:35] [INFO ] Deduced a trap composed of 9 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:36:35] [INFO ] Deduced a trap composed of 11 places in 49 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/477 variables, 2/334 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/477 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 13 (OVERLAPS) 9/486 variables, 9/343 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:36:39] [INFO ] Deduced a trap composed of 8 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:36:39] [INFO ] Deduced a trap composed of 9 places in 62 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 2/345 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:36:40] [INFO ] Deduced a trap composed of 9 places in 48 ms of which 0 ms to minimize.
[2024-05-31 18:36:40] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 2/347 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/486 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:36:44] [INFO ] Deduced a trap composed of 9 places in 60 ms of which 2 ms to minimize.
[2024-05-31 18:36:44] [INFO ] Deduced a trap composed of 8 places in 60 ms of which 1 ms to minimize.
At refinement iteration 17 (OVERLAPS) 0/486 variables, 2/349 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/486 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:36:46] [INFO ] Deduced a trap composed of 8 places in 38 ms of which 1 ms to minimize.
At refinement iteration 19 (OVERLAPS) 0/486 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/486 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 21 (OVERLAPS) 0/486 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 130 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 350 constraints, problems are : Problem set: 0 solved, 130 unsolved in 24089 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 130/130 constraints, Known Traps: 16/16 constraints]
Escalating to Integer solving :Problem set: 0 solved, 130 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 1 (OVERLAPS) 10/145 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 3 (OVERLAPS) 72/217 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/217 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 6 (OVERLAPS) 46/263 variables, 24/61 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 13/74 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 9 (OVERLAPS) 214/477 variables, 263/337 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/477 variables, 2/339 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/477 variables, 34/373 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/477 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 13 (OVERLAPS) 9/486 variables, 9/382 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 96/478 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 2/480 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/486 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:38:23] [INFO ] Deduced a trap composed of 8 places in 69 ms of which 2 ms to minimize.
At refinement iteration 17 (OVERLAPS) 0/486 variables, 1/481 constraints. Problems are: Problem set: 0 solved, 130 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 486/486 variables, and 481 constraints, problems are : Problem set: 0 solved, 130 unsolved in 105012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 130/130 constraints, Known Traps: 17/17 constraints]
After SMT, in 129185ms problems are : Problem set: 0 solved, 130 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 135 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 transitions.
Applied a total of 0 rules in 8 ms. Remains 272 /272 variables (removed 0) and now considering 214/214 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 272/272 places, 214/214 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 transitions.
Applied a total of 0 rules in 8 ms. Remains 272 /272 variables (removed 0) and now considering 214/214 (removed 0) transitions.
[2024-05-31 18:38:36] [INFO ] Invariant cache hit.
[2024-05-31 18:38:36] [INFO ] Implicit Places using invariants in 113 ms returned []
[2024-05-31 18:38:36] [INFO ] Invariant cache hit.
[2024-05-31 18:38:36] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:38:37] [INFO ] Implicit Places using invariants and state equation in 207 ms returned []
Implicit Place search using SMT with State Equation took 322 ms to find 0 implicit places.
[2024-05-31 18:38:37] [INFO ] Redundant transitions in 7 ms returned []
Running 213 sub problems to find dead transitions.
[2024-05-31 18:38:37] [INFO ] Invariant cache hit.
[2024-05-31 18:38:37] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 2 (OVERLAPS) 1/272 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 5 (OVERLAPS) 214/486 variables, 272/332 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/486 variables, 2/334 constraints. Problems are: Problem set: 0 solved, 213 unsolved
[2024-05-31 18:38:40] [INFO ] Deduced a trap composed of 13 places in 56 ms of which 1 ms to minimize.
[2024-05-31 18:38:41] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/486 variables, 2/336 constraints. Problems are: Problem set: 0 solved, 213 unsolved
[2024-05-31 18:38:43] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 1 ms to minimize.
[2024-05-31 18:38:44] [INFO ] Deduced a trap composed of 8 places in 46 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/486 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 10 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 213 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 213 unsolved in 13311 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 213/213 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 213 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 2 (OVERLAPS) 1/272 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 4/64 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/272 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 6 (OVERLAPS) 214/486 variables, 272/336 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/486 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/486 variables, 213/551 constraints. Problems are: Problem set: 0 solved, 213 unsolved
[2024-05-31 18:39:00] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 0 ms to minimize.
[2024-05-31 18:39:00] [INFO ] Deduced a trap composed of 21 places in 54 ms of which 1 ms to minimize.
[2024-05-31 18:39:04] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:39:07] [INFO ] Deduced a trap composed of 8 places in 44 ms of which 0 ms to minimize.
[2024-05-31 18:39:08] [INFO ] Deduced a trap composed of 18 places in 61 ms of which 2 ms to minimize.
[2024-05-31 18:39:08] [INFO ] Deduced a trap composed of 17 places in 53 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/486 variables, 6/557 constraints. Problems are: Problem set: 0 solved, 213 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 486/486 variables, and 557 constraints, problems are : Problem set: 0 solved, 213 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 213/213 constraints, Known Traps: 10/10 constraints]
After SMT, in 43494ms problems are : Problem set: 0 solved, 213 unsolved
Search for dead transitions found 0 dead transitions in 43497ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43845 ms. Remains : 272/272 places, 214/214 transitions.
RANDOM walk for 400000 steps (5383 resets) in 4745 ms. (84 steps per ms) remains 129/135 properties
Running SMT prover for 129 properties.
[2024-05-31 18:39:21] [INFO ] Invariant cache hit.
[2024-05-31 18:39:21] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:39:21] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 18 ms returned sat
[2024-05-31 18:39:22] [INFO ] After 209ms SMT Verify possible using state equation in real domain returned unsat :0 sat :129
[2024-05-31 18:39:22] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:39:22] [INFO ] After 111ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :129
TRAPS : Iteration 0
[2024-05-31 18:39:22] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
[2024-05-31 18:39:23] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 1 ms to minimize.
TRAPS : Iteration 1
[2024-05-31 18:39:24] [INFO ] After 2395ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:129
[2024-05-31 18:39:24] [INFO ] After 2750ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:129
[2024-05-31 18:39:24] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:39:24] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2024-05-31 18:39:24] [INFO ] After 248ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :129
[2024-05-31 18:39:25] [INFO ] After 232ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :129
TRAPS : Iteration 0
[2024-05-31 18:39:25] [INFO ] Deduced a trap composed of 9 places in 55 ms of which 2 ms to minimize.
[2024-05-31 18:39:25] [INFO ] Deduced a trap composed of 13 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:39:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 128 ms
[2024-05-31 18:39:26] [INFO ] Deduced a trap composed of 16 places in 55 ms of which 1 ms to minimize.
[2024-05-31 18:39:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2024-05-31 18:39:27] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:39:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 78 ms
TRAPS : Iteration 1
[2024-05-31 18:39:28] [INFO ] Deduced a trap composed of 10 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:39:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
TRAPS : Iteration 2
[2024-05-31 18:39:30] [INFO ] Deduced a trap composed of 8 places in 33 ms of which 0 ms to minimize.
[2024-05-31 18:39:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
[2024-05-31 18:39:32] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 0 ms to minimize.
[2024-05-31 18:39:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 75 ms
TRAPS : Iteration 3
[2024-05-31 18:39:34] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 1 ms to minimize.
[2024-05-31 18:39:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
TRAPS : Iteration 4
[2024-05-31 18:39:35] [INFO ] Deduced a trap composed of 9 places in 42 ms of which 0 ms to minimize.
[2024-05-31 18:39:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
TRAPS : Iteration 5
[2024-05-31 18:39:36] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
[2024-05-31 18:39:37] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 0 ms to minimize.
[2024-05-31 18:39:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 91 ms
TRAPS : Iteration 6
[2024-05-31 18:39:41] [INFO ] After 16700ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :129
[2024-05-31 18:39:41] [INFO ] After 17286ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :129
RANDOM walk for 4000000 steps (53837 resets) in 61368 ms. (65 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (84 resets) in 126 ms. (314 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (87 resets) in 104 ms. (380 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (89 resets) in 207 ms. (192 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (92 resets) in 149 ms. (266 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (85 resets) in 117 ms. (339 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (85 resets) in 160 ms. (248 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (89 resets) in 138 ms. (287 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (84 resets) in 97 ms. (408 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (82 resets) in 163 ms. (243 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (90 resets) in 204 ms. (195 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (83 resets) in 120 ms. (330 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (86 resets) in 120 ms. (330 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (88 resets) in 175 ms. (227 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (87 resets) in 120 ms. (330 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (95 resets) in 200 ms. (199 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (92 resets) in 200 ms. (199 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (94 resets) in 138 ms. (287 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (88 resets) in 131 ms. (303 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (89 resets) in 196 ms. (203 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (93 resets) in 163 ms. (243 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (85 resets) in 136 ms. (292 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (93 resets) in 187 ms. (212 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (89 resets) in 107 ms. (370 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (89 resets) in 171 ms. (232 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (94 resets) in 157 ms. (253 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (79 resets) in 129 ms. (307 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (90 resets) in 168 ms. (236 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (85 resets) in 121 ms. (327 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (90 resets) in 138 ms. (287 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (89 resets) in 97 ms. (408 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (90 resets) in 192 ms. (207 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (84 resets) in 187 ms. (212 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (96 resets) in 186 ms. (213 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (91 resets) in 182 ms. (218 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (67 resets) in 202 ms. (197 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (62 resets) in 177 ms. (224 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (73 resets) in 137 ms. (289 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (64 resets) in 198 ms. (201 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (67 resets) in 205 ms. (194 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (62 resets) in 138 ms. (287 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (72 resets) in 147 ms. (270 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (75 resets) in 178 ms. (223 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (65 resets) in 144 ms. (275 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (69 resets) in 179 ms. (222 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (68 resets) in 153 ms. (259 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (68 resets) in 145 ms. (273 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (73 resets) in 164 ms. (242 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40004 steps (68 resets) in 144 ms. (275 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40002 steps (69 resets) in 201 ms. (198 steps per ms) remains 130/130 properties
BEST_FIRST walk for 40003 steps (74 resets) in 133 ms. (298 steps per ms) remains 130/130 properties
Probabilistic random walk after 10000001 steps, saw 1268357 distinct states, run finished after 48564 ms. (steps per millisecond=205 ) properties seen :0
[2024-05-31 18:40:49] [INFO ] Invariant cache hit.
[2024-05-31 18:40:49] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 1 (OVERLAPS) 10/145 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 3 (OVERLAPS) 72/217 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 5 (OVERLAPS) 46/263 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 130 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 7 (OVERLAPS) 214/477 variables, 263/323 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/477 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:40:53] [INFO ] Deduced a trap composed of 16 places in 66 ms of which 2 ms to minimize.
[2024-05-31 18:40:53] [INFO ] Deduced a trap composed of 18 places in 55 ms of which 1 ms to minimize.
[2024-05-31 18:40:53] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:40:53] [INFO ] Deduced a trap composed of 13 places in 58 ms of which 1 ms to minimize.
[2024-05-31 18:40:53] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/477 variables, 5/330 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:40:56] [INFO ] Deduced a trap composed of 20 places in 60 ms of which 1 ms to minimize.
[2024-05-31 18:40:56] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/477 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:40:56] [INFO ] Deduced a trap composed of 9 places in 55 ms of which 1 ms to minimize.
[2024-05-31 18:40:56] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/477 variables, 2/334 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/477 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 13 (OVERLAPS) 9/486 variables, 9/343 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:41:00] [INFO ] Deduced a trap composed of 8 places in 45 ms of which 1 ms to minimize.
[2024-05-31 18:41:01] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 2/345 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:41:01] [INFO ] Deduced a trap composed of 9 places in 48 ms of which 0 ms to minimize.
[2024-05-31 18:41:02] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 2/347 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/486 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:41:06] [INFO ] Deduced a trap composed of 9 places in 63 ms of which 2 ms to minimize.
[2024-05-31 18:41:06] [INFO ] Deduced a trap composed of 8 places in 58 ms of which 2 ms to minimize.
At refinement iteration 17 (OVERLAPS) 0/486 variables, 2/349 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/486 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:41:08] [INFO ] Deduced a trap composed of 8 places in 38 ms of which 0 ms to minimize.
At refinement iteration 19 (OVERLAPS) 0/486 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/486 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 21 (OVERLAPS) 0/486 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 130 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 350 constraints, problems are : Problem set: 0 solved, 130 unsolved in 23966 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 130/130 constraints, Known Traps: 16/16 constraints]
Escalating to Integer solving :Problem set: 0 solved, 130 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 1 (OVERLAPS) 10/145 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 3 (OVERLAPS) 72/217 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/217 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 6 (OVERLAPS) 46/263 variables, 24/61 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 13/74 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 9 (OVERLAPS) 214/477 variables, 263/337 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/477 variables, 2/339 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/477 variables, 34/373 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/477 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 13 (OVERLAPS) 9/486 variables, 9/382 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 96/478 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 2/480 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/486 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 130 unsolved
[2024-05-31 18:42:45] [INFO ] Deduced a trap composed of 8 places in 66 ms of which 1 ms to minimize.
At refinement iteration 17 (OVERLAPS) 0/486 variables, 1/481 constraints. Problems are: Problem set: 0 solved, 130 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 486/486 variables, and 481 constraints, problems are : Problem set: 0 solved, 130 unsolved in 120021 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 130/130 constraints, Known Traps: 17/17 constraints]
After SMT, in 144080ms problems are : Problem set: 0 solved, 130 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 135 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 transitions.
Applied a total of 0 rules in 8 ms. Remains 272 /272 variables (removed 0) and now considering 214/214 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 272/272 places, 214/214 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 transitions.
Applied a total of 0 rules in 7 ms. Remains 272 /272 variables (removed 0) and now considering 214/214 (removed 0) transitions.
[2024-05-31 18:43:13] [INFO ] Invariant cache hit.
[2024-05-31 18:43:13] [INFO ] Implicit Places using invariants in 134 ms returned []
[2024-05-31 18:43:13] [INFO ] Invariant cache hit.
[2024-05-31 18:43:13] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:43:13] [INFO ] Implicit Places using invariants and state equation in 195 ms returned []
Implicit Place search using SMT with State Equation took 329 ms to find 0 implicit places.
[2024-05-31 18:43:13] [INFO ] Redundant transitions in 7 ms returned []
Running 213 sub problems to find dead transitions.
[2024-05-31 18:43:13] [INFO ] Invariant cache hit.
[2024-05-31 18:43:13] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 2 (OVERLAPS) 1/272 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 5 (OVERLAPS) 214/486 variables, 272/332 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/486 variables, 2/334 constraints. Problems are: Problem set: 0 solved, 213 unsolved
[2024-05-31 18:43:17] [INFO ] Deduced a trap composed of 13 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:43:17] [INFO ] Deduced a trap composed of 7 places in 42 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/486 variables, 2/336 constraints. Problems are: Problem set: 0 solved, 213 unsolved
[2024-05-31 18:43:20] [INFO ] Deduced a trap composed of 13 places in 42 ms of which 1 ms to minimize.
[2024-05-31 18:43:20] [INFO ] Deduced a trap composed of 8 places in 104 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/486 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 10 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 213 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 213 unsolved in 13287 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 213/213 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 213 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 2 (OVERLAPS) 1/272 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 4/64 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/272 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 6 (OVERLAPS) 214/486 variables, 272/336 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/486 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/486 variables, 213/551 constraints. Problems are: Problem set: 0 solved, 213 unsolved
[2024-05-31 18:43:36] [INFO ] Deduced a trap composed of 6 places in 22 ms of which 1 ms to minimize.
[2024-05-31 18:43:37] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 0 ms to minimize.
[2024-05-31 18:43:40] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:43:44] [INFO ] Deduced a trap composed of 8 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:43:44] [INFO ] Deduced a trap composed of 18 places in 56 ms of which 1 ms to minimize.
[2024-05-31 18:43:44] [INFO ] Deduced a trap composed of 17 places in 54 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/486 variables, 6/557 constraints. Problems are: Problem set: 0 solved, 213 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 486/486 variables, and 557 constraints, problems are : Problem set: 0 solved, 213 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 213/213 constraints, Known Traps: 10/10 constraints]
After SMT, in 43408ms problems are : Problem set: 0 solved, 213 unsolved
Search for dead transitions found 0 dead transitions in 43410ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43764 ms. Remains : 272/272 places, 214/214 transitions.
RANDOM walk for 400000 steps (5395 resets) in 4034 ms. (99 steps per ms) remains 130/135 properties
Running SMT prover for 130 properties.
[2024-05-31 18:43:58] [INFO ] Invariant cache hit.
[2024-05-31 18:43:58] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2024-05-31 18:43:58] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2024-05-31 18:43:58] [INFO ] After 203ms SMT Verify possible using state equation in real domain returned unsat :0 sat :130
[2024-05-31 18:43:58] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:43:58] [INFO ] After 138ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :130
TRAPS : Iteration 0
[2024-05-31 18:43:59] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 1 ms to minimize.
TRAPS : Iteration 1
[2024-05-31 18:44:01] [INFO ] After 2279ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:130
[2024-05-31 18:44:01] [INFO ] After 2603ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:130
[2024-05-31 18:44:01] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:44:01] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2024-05-31 18:44:01] [INFO ] After 360ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :130
[2024-05-31 18:44:01] [INFO ] After 203ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :130
TRAPS : Iteration 0
[2024-05-31 18:44:01] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 0 ms to minimize.
[2024-05-31 18:44:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
[2024-05-31 18:44:02] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 1 ms to minimize.
[2024-05-31 18:44:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 73 ms
[2024-05-31 18:44:03] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:44:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 74 ms
[2024-05-31 18:44:03] [INFO ] Deduced a trap composed of 23 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:44:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
[2024-05-31 18:44:03] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:44:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
TRAPS : Iteration 1
[2024-05-31 18:44:04] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 0 ms to minimize.
[2024-05-31 18:44:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-31 18:44:06] [INFO ] Deduced a trap composed of 9 places in 58 ms of which 1 ms to minimize.
[2024-05-31 18:44:06] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:44:06] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:44:06] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 200 ms
TRAPS : Iteration 2
[2024-05-31 18:44:06] [INFO ] Deduced a trap composed of 8 places in 53 ms of which 1 ms to minimize.
[2024-05-31 18:44:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 80 ms
[2024-05-31 18:44:08] [INFO ] Deduced a trap composed of 10 places in 56 ms of which 1 ms to minimize.
[2024-05-31 18:44:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 83 ms
TRAPS : Iteration 3
[2024-05-31 18:44:09] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:44:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 73 ms
TRAPS : Iteration 4
[2024-05-31 18:44:13] [INFO ] After 12277ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :130
[2024-05-31 18:44:14] [INFO ] After 12998ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :130
RANDOM walk for 40000 steps (535 resets) in 155 ms. (256 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (94 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1764807 steps, run timeout after 3001 ms. (steps per millisecond=588 ) properties seen :0 out of 1
Probabilistic random walk after 1764807 steps, saw 246420 distinct states, run finished after 3001 ms. (steps per millisecond=588 ) properties seen :0
[2024-05-31 18:44:17] [INFO ] Invariant cache hit.
[2024-05-31 18:44:17] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 190 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 214 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 408ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 11363 steps, including 37 resets, run visited all 1 properties in 37 ms. (steps per millisecond=307 )
Parikh walk visited 1 properties in 42 ms.
RANDOM walk for 2871 steps (41 resets) in 20 ms. (136 steps per ms) remains 0/1 properties
RANDOM walk for 529 steps (6 resets) in 10 ms. (48 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (545 resets) in 218 ms. (182 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1795286 steps, run timeout after 3001 ms. (steps per millisecond=598 ) properties seen :0 out of 1
Probabilistic random walk after 1795286 steps, saw 250564 distinct states, run finished after 3001 ms. (steps per millisecond=598 ) properties seen :0
[2024-05-31 18:44:20] [INFO ] Invariant cache hit.
[2024-05-31 18:44:20] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 187 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:21] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:44:21] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:44:21] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 473 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 665ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 67482 steps, including 331 resets, run visited all 1 properties in 182 ms. (steps per millisecond=370 )
Parikh walk visited 1 properties in 182 ms.
RANDOM walk for 40000 steps (537 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (91 resets) in 86 ms. (459 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1750325 steps, run timeout after 3001 ms. (steps per millisecond=583 ) properties seen :0 out of 1
Probabilistic random walk after 1750325 steps, saw 244435 distinct states, run finished after 3001 ms. (steps per millisecond=583 ) properties seen :0
[2024-05-31 18:44:24] [INFO ] Invariant cache hit.
[2024-05-31 18:44:24] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 196 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:24] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 283 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 483ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1814 steps, including 1 resets, run visited all 1 properties in 8 ms. (steps per millisecond=226 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (537 resets) in 147 ms. (270 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1742329 steps, run timeout after 3001 ms. (steps per millisecond=580 ) properties seen :0 out of 1
Probabilistic random walk after 1742329 steps, saw 243257 distinct states, run finished after 3001 ms. (steps per millisecond=580 ) properties seen :0
[2024-05-31 18:44:28] [INFO ] Invariant cache hit.
[2024-05-31 18:44:28] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 236 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:28] [INFO ] Deduced a trap composed of 19 places in 57 ms of which 1 ms to minimize.
[2024-05-31 18:44:28] [INFO ] Deduced a trap composed of 21 places in 57 ms of which 1 ms to minimize.
[2024-05-31 18:44:28] [INFO ] Deduced a trap composed of 17 places in 54 ms of which 1 ms to minimize.
[2024-05-31 18:44:28] [INFO ] Deduced a trap composed of 23 places in 44 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 4/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 339 constraints, problems are : Problem set: 0 solved, 1 unsolved in 477 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 717ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1845 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=263 )
Parikh walk visited 1 properties in 6 ms.
RANDOM walk for 40000 steps (532 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1782245 steps, run timeout after 3001 ms. (steps per millisecond=593 ) properties seen :0 out of 1
Probabilistic random walk after 1782245 steps, saw 248686 distinct states, run finished after 3001 ms. (steps per millisecond=593 ) properties seen :0
[2024-05-31 18:44:32] [INFO ] Invariant cache hit.
[2024-05-31 18:44:32] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 183 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:32] [INFO ] Deduced a trap composed of 16 places in 65 ms of which 1 ms to minimize.
[2024-05-31 18:44:32] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 1 ms to minimize.
[2024-05-31 18:44:32] [INFO ] Deduced a trap composed of 23 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:44:32] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 4/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 339 constraints, problems are : Problem set: 0 solved, 1 unsolved in 489 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 677ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1796 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=256 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (531 resets) in 108 ms. (366 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1796297 steps, run timeout after 3001 ms. (steps per millisecond=598 ) properties seen :0 out of 1
Probabilistic random walk after 1796297 steps, saw 250717 distinct states, run finished after 3001 ms. (steps per millisecond=598 ) properties seen :0
[2024-05-31 18:44:35] [INFO ] Invariant cache hit.
[2024-05-31 18:44:35] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 202 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:36] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 253 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 460ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 31421 steps, including 43 resets, run visited all 1 properties in 73 ms. (steps per millisecond=430 )
Parikh walk visited 1 properties in 72 ms.
RANDOM walk for 40000 steps (532 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (86 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1788341 steps, run timeout after 3001 ms. (steps per millisecond=595 ) properties seen :0 out of 1
Probabilistic random walk after 1788341 steps, saw 249443 distinct states, run finished after 3001 ms. (steps per millisecond=595 ) properties seen :0
[2024-05-31 18:44:39] [INFO ] Invariant cache hit.
[2024-05-31 18:44:39] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:39] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 274 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 479ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 31929 steps, including 43 resets, run visited all 1 properties in 67 ms. (steps per millisecond=476 )
Parikh walk visited 1 properties in 66 ms.
RANDOM walk for 40000 steps (534 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (96 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1784641 steps, run timeout after 3001 ms. (steps per millisecond=594 ) properties seen :0 out of 1
Probabilistic random walk after 1784641 steps, saw 248991 distinct states, run finished after 3001 ms. (steps per millisecond=594 ) properties seen :0
[2024-05-31 18:44:42] [INFO ] Invariant cache hit.
[2024-05-31 18:44:42] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 200 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:43] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 256 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 470ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 8008 steps, including 10 resets, run visited all 1 properties in 25 ms. (steps per millisecond=320 )
Parikh walk visited 1 properties in 24 ms.
RANDOM walk for 40000 steps (525 resets) in 116 ms. (341 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (96 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1800153 steps, run timeout after 3001 ms. (steps per millisecond=599 ) properties seen :0 out of 1
Probabilistic random walk after 1800153 steps, saw 251245 distinct states, run finished after 3001 ms. (steps per millisecond=599 ) properties seen :0
[2024-05-31 18:44:46] [INFO ] Invariant cache hit.
[2024-05-31 18:44:46] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 182 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:46] [INFO ] Deduced a trap composed of 13 places in 59 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 300 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 498ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1518 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=303 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (532 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (91 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1801545 steps, run timeout after 3001 ms. (steps per millisecond=600 ) properties seen :0 out of 1
Probabilistic random walk after 1801545 steps, saw 251457 distinct states, run finished after 3001 ms. (steps per millisecond=600 ) properties seen :0
[2024-05-31 18:44:49] [INFO ] Invariant cache hit.
[2024-05-31 18:44:50] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 254 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 448ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 356 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 42 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (538 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (90 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1807625 steps, run timeout after 3001 ms. (steps per millisecond=602 ) properties seen :0 out of 1
Probabilistic random walk after 1807625 steps, saw 252330 distinct states, run finished after 3001 ms. (steps per millisecond=602 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:44:53] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:44:53] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 209 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:54] [INFO ] Deduced a trap composed of 12 places in 53 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/402 variables, 8/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/445 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 39/484 variables, 39/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 334 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 553ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 300 ms.
Support contains 1 out of 271 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 10 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 271/271 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 7 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2024-05-31 18:44:54] [INFO ] Invariant cache hit.
[2024-05-31 18:44:54] [INFO ] Implicit Places using invariants in 132 ms returned []
[2024-05-31 18:44:54] [INFO ] Invariant cache hit.
[2024-05-31 18:44:55] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:44:55] [INFO ] Implicit Places using invariants and state equation in 308 ms returned []
Implicit Place search using SMT with State Equation took 443 ms to find 0 implicit places.
[2024-05-31 18:44:55] [INFO ] Redundant transitions in 12 ms returned []
Running 210 sub problems to find dead transitions.
[2024-05-31 18:44:55] [INFO ] Invariant cache hit.
[2024-05-31 18:44:55] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/270 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (OVERLAPS) 213/483 variables, 270/330 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/483 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (OVERLAPS) 1/484 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:45:01] [INFO ] Deduced a trap composed of 6 places in 37 ms of which 1 ms to minimize.
[2024-05-31 18:45:01] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 0 ms to minimize.
[2024-05-31 18:45:02] [INFO ] Deduced a trap composed of 6 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:45:02] [INFO ] Deduced a trap composed of 10 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:45:02] [INFO ] Deduced a trap composed of 40 places in 34 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/484 variables, 5/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:45:04] [INFO ] Deduced a trap composed of 12 places in 54 ms of which 1 ms to minimize.
[2024-05-31 18:45:05] [INFO ] Deduced a trap composed of 9 places in 74 ms of which 1 ms to minimize.
[2024-05-31 18:45:05] [INFO ] Deduced a trap composed of 7 places in 63 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/484 variables, 3/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 12 (OVERLAPS) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 341 constraints, problems are : Problem set: 0 solved, 210 unsolved in 14926 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (OVERLAPS) 2/270 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (OVERLAPS) 213/483 variables, 270/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/483 variables, 210/550 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:45:21] [INFO ] Deduced a trap composed of 16 places in 64 ms of which 2 ms to minimize.
[2024-05-31 18:45:23] [INFO ] Deduced a trap composed of 7 places in 80 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/483 variables, 2/552 constraints. Problems are: Problem set: 0 solved, 210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 483/484 variables, and 552 constraints, problems are : Problem set: 0 solved, 210 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 270/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 10/10 constraints]
After SMT, in 45028ms problems are : Problem set: 0 solved, 210 unsolved
Search for dead transitions found 0 dead transitions in 45030ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45497 ms. Remains : 271/271 places, 213/213 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 271 transition count 213
Applied a total of 1 rules in 12 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:45:40] [INFO ] Computed 60 invariants in 9 ms
[2024-05-31 18:45:40] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:45:40] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2024-05-31 18:45:40] [INFO ] After 75ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:45:40] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:45:40] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2024-05-31 18:45:40] [INFO ] After 91ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:45:40] [INFO ] After 107ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:45:40] [INFO ] After 186ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 286 ms.
RANDOM walk for 40000 steps (542 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1792598 steps, run timeout after 3001 ms. (steps per millisecond=597 ) properties seen :0 out of 1
Probabilistic random walk after 1792598 steps, saw 250132 distinct states, run finished after 3001 ms. (steps per millisecond=597 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:45:43] [INFO ] Computed 60 invariants in 9 ms
[2024-05-31 18:45:43] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 207 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:43] [INFO ] Deduced a trap composed of 8 places in 44 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:44] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 1 ms to minimize.
[2024-05-31 18:45:44] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:45:44] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 3/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 339 constraints, problems are : Problem set: 0 solved, 1 unsolved in 421 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 640ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 34393 steps, including 104 resets, run visited all 1 properties in 77 ms. (steps per millisecond=446 )
Parikh walk visited 1 properties in 76 ms.
RANDOM walk for 40000 steps (519 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (96 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1793479 steps, run timeout after 3001 ms. (steps per millisecond=597 ) properties seen :0 out of 1
Probabilistic random walk after 1793479 steps, saw 250276 distinct states, run finished after 3001 ms. (steps per millisecond=597 ) properties seen :0
[2024-05-31 18:45:47] [INFO ] Invariant cache hit.
[2024-05-31 18:45:47] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 214 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:47] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:45:47] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:47] [INFO ] Deduced a trap composed of 13 places in 60 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 405 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 631ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1434 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=204 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (530 resets) in 135 ms. (294 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1798198 steps, run timeout after 3001 ms. (steps per millisecond=599 ) properties seen :0 out of 1
Probabilistic random walk after 1798198 steps, saw 250962 distinct states, run finished after 3002 ms. (steps per millisecond=599 ) properties seen :0
[2024-05-31 18:45:51] [INFO ] Invariant cache hit.
[2024-05-31 18:45:51] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 197 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:51] [INFO ] Deduced a trap composed of 11 places in 60 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 323 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 525ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 299 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 26 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (542 resets) in 116 ms. (341 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (89 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1802651 steps, run timeout after 3001 ms. (steps per millisecond=600 ) properties seen :0 out of 1
Probabilistic random walk after 1802651 steps, saw 251597 distinct states, run finished after 3001 ms. (steps per millisecond=600 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:45:54] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:45:54] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 197 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:55] [INFO ] Deduced a trap composed of 9 places in 35 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/213 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/220 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 170/390 variables, 220/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:55] [INFO ] Deduced a trap composed of 11 places in 50 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 1/280 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/402 variables, 8/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 3/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/402 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:55] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:45:55] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:45:55] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 1 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/403 variables, 3/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/403 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 42/445 variables, 3/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/445 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/445 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 39/484 variables, 39/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/484 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/484 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 339 constraints, problems are : Problem set: 0 solved, 1 unsolved in 557 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 763ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 12866 steps, including 35 resets, run visited all 1 properties in 32 ms. (steps per millisecond=402 )
Parikh walk visited 1 properties in 31 ms.
RANDOM walk for 40000 steps (535 resets) in 136 ms. (291 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (93 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1815361 steps, run timeout after 3001 ms. (steps per millisecond=604 ) properties seen :0 out of 1
Probabilistic random walk after 1815361 steps, saw 253323 distinct states, run finished after 3001 ms. (steps per millisecond=604 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:45:58] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:45:58] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:59] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:59] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 1 ms to minimize.
[2024-05-31 18:45:59] [INFO ] Deduced a trap composed of 12 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:45:59] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:45:59] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 4/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 340 constraints, problems are : Problem set: 0 solved, 1 unsolved in 462 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 645ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1357 steps, including 1 resets, run visited all 1 properties in 6 ms. (steps per millisecond=226 )
Parikh walk visited 1 properties in 5 ms.
RANDOM walk for 40000 steps (529 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1800665 steps, run timeout after 3001 ms. (steps per millisecond=600 ) properties seen :0 out of 1
Probabilistic random walk after 1800665 steps, saw 251323 distinct states, run finished after 3001 ms. (steps per millisecond=600 ) properties seen :0
[2024-05-31 18:46:02] [INFO ] Invariant cache hit.
[2024-05-31 18:46:02] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:46:02] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 0 ms to minimize.
[2024-05-31 18:46:02] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:46:02] [INFO ] Deduced a trap composed of 6 places in 44 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 1/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 315 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:46:02] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/232 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 214/446 variables, 232/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 339 constraints, problems are : Problem set: 0 solved, 1 unsolved in 224 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 553ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1270 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=317 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (547 resets) in 97 ms. (408 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1816564 steps, run timeout after 3001 ms. (steps per millisecond=605 ) properties seen :0 out of 1
Probabilistic random walk after 1816564 steps, saw 253460 distinct states, run finished after 3001 ms. (steps per millisecond=605 ) properties seen :0
[2024-05-31 18:46:06] [INFO ] Invariant cache hit.
[2024-05-31 18:46:06] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 196 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:46:06] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:46:06] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:46:06] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 398 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 605ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 250 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 17 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (537 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1826618 steps, run timeout after 3001 ms. (steps per millisecond=608 ) properties seen :0 out of 1
Probabilistic random walk after 1826618 steps, saw 254795 distinct states, run finished after 3001 ms. (steps per millisecond=608 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:46:10] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:46:10] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 224 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:46:10] [INFO ] Deduced a trap composed of 9 places in 40 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/213 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/220 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 170/390 variables, 220/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/402 variables, 8/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/445 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 39/484 variables, 39/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:46:10] [INFO ] Deduced a trap composed of 6 places in 44 ms of which 1 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 1/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/484 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/484 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 311 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 544ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 194 ms.
Support contains 1 out of 271 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 11 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 271/271 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 7 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2024-05-31 18:46:10] [INFO ] Invariant cache hit.
[2024-05-31 18:46:10] [INFO ] Implicit Places using invariants in 134 ms returned []
[2024-05-31 18:46:10] [INFO ] Invariant cache hit.
[2024-05-31 18:46:11] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:46:11] [INFO ] Implicit Places using invariants and state equation in 310 ms returned []
Implicit Place search using SMT with State Equation took 446 ms to find 0 implicit places.
[2024-05-31 18:46:11] [INFO ] Redundant transitions in 3 ms returned []
Running 210 sub problems to find dead transitions.
[2024-05-31 18:46:11] [INFO ] Invariant cache hit.
[2024-05-31 18:46:11] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/270 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (OVERLAPS) 213/483 variables, 270/330 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/483 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (OVERLAPS) 1/484 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:46:17] [INFO ] Deduced a trap composed of 6 places in 33 ms of which 0 ms to minimize.
[2024-05-31 18:46:17] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 0 ms to minimize.
[2024-05-31 18:46:18] [INFO ] Deduced a trap composed of 6 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:46:18] [INFO ] Deduced a trap composed of 10 places in 47 ms of which 2 ms to minimize.
[2024-05-31 18:46:18] [INFO ] Deduced a trap composed of 40 places in 27 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/484 variables, 5/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:46:20] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:46:21] [INFO ] Deduced a trap composed of 9 places in 69 ms of which 1 ms to minimize.
[2024-05-31 18:46:21] [INFO ] Deduced a trap composed of 7 places in 50 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/484 variables, 3/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 12 (OVERLAPS) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 341 constraints, problems are : Problem set: 0 solved, 210 unsolved in 14841 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (OVERLAPS) 2/270 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (OVERLAPS) 213/483 variables, 270/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/483 variables, 210/550 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:46:37] [INFO ] Deduced a trap composed of 16 places in 64 ms of which 1 ms to minimize.
[2024-05-31 18:46:40] [INFO ] Deduced a trap composed of 7 places in 60 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/483 variables, 2/552 constraints. Problems are: Problem set: 0 solved, 210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 483/484 variables, and 552 constraints, problems are : Problem set: 0 solved, 210 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 270/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 10/10 constraints]
After SMT, in 44951ms problems are : Problem set: 0 solved, 210 unsolved
Search for dead transitions found 0 dead transitions in 44953ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45428 ms. Remains : 271/271 places, 213/213 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 271 transition count 213
Applied a total of 1 rules in 12 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:46:56] [INFO ] Computed 60 invariants in 3 ms
[2024-05-31 18:46:56] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:46:56] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 16 ms returned sat
[2024-05-31 18:46:56] [INFO ] After 65ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:46:56] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2024-05-31 18:46:56] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 19 ms returned sat
[2024-05-31 18:46:56] [INFO ] After 117ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:46:56] [INFO ] After 136ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:46:56] [INFO ] After 224ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 308 ms.
RANDOM walk for 40000 steps (533 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (93 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1727817 steps, run timeout after 3001 ms. (steps per millisecond=575 ) properties seen :0 out of 1
Probabilistic random walk after 1727817 steps, saw 241474 distinct states, run finished after 3001 ms. (steps per millisecond=575 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:46:59] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:46:59] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 198 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:46:59] [INFO ] Deduced a trap composed of 8 places in 42 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:00] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 1 ms to minimize.
[2024-05-31 18:47:00] [INFO ] Deduced a trap composed of 22 places in 55 ms of which 1 ms to minimize.
[2024-05-31 18:47:00] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 3/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 339 constraints, problems are : Problem set: 0 solved, 1 unsolved in 425 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 636ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 263 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 15 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (547 resets) in 119 ms. (333 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1762027 steps, run timeout after 3001 ms. (steps per millisecond=587 ) properties seen :0 out of 1
Probabilistic random walk after 1762027 steps, saw 246083 distinct states, run finished after 3001 ms. (steps per millisecond=587 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:47:03] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:47:03] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 227 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:03] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/213 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/220 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 170/390 variables, 220/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:04] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 1/280 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/402 variables, 8/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 3/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/402 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/403 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 42/445 variables, 3/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/445 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 39/484 variables, 39/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/484 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/484 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 392 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 635ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1167 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=233 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (531 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (82 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1803411 steps, run timeout after 3001 ms. (steps per millisecond=600 ) properties seen :0 out of 1
Probabilistic random walk after 1803411 steps, saw 251706 distinct states, run finished after 3001 ms. (steps per millisecond=600 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:47:07] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:47:07] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 197 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:07] [INFO ] Deduced a trap composed of 8 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:47:07] [INFO ] Deduced a trap composed of 7 places in 25 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:07] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:47:07] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:47:07] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 3/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 340 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: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 638ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 232 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 21 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (558 resets) in 119 ms. (333 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (100 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1804525 steps, run timeout after 3001 ms. (steps per millisecond=601 ) properties seen :0 out of 1
Probabilistic random walk after 1804525 steps, saw 251852 distinct states, run finished after 3001 ms. (steps per millisecond=601 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:47:11] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:47:11] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 208 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:11] [INFO ] Deduced a trap composed of 9 places in 40 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/213 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/220 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 170/390 variables, 220/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:11] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 1/280 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/402 variables, 8/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 3/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/402 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/403 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 42/445 variables, 3/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/445 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 39/484 variables, 39/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/484 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/484 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 362 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 577ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1105 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=221 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (545 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (86 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1813661 steps, run timeout after 3001 ms. (steps per millisecond=604 ) properties seen :0 out of 1
Probabilistic random walk after 1813661 steps, saw 253125 distinct states, run finished after 3001 ms. (steps per millisecond=604 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:47:14] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:47:14] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:15] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 0 ms to minimize.
[2024-05-31 18:47:15] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 294 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:15] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/232 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 214/446 variables, 232/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 2/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:15] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/446 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 40/486 variables, 40/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 339 constraints, problems are : Problem set: 0 solved, 1 unsolved in 287 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 600ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 223 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 16 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (541 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (95 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1818657 steps, run timeout after 3001 ms. (steps per millisecond=606 ) properties seen :0 out of 1
Probabilistic random walk after 1818657 steps, saw 253735 distinct states, run finished after 3001 ms. (steps per millisecond=606 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:47:18] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:47:18] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 216 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:19] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/402 variables, 8/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/445 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 39/484 variables, 39/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 307 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 537ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 28197 steps, including 55 resets, run visited all 1 properties in 61 ms. (steps per millisecond=462 )
Parikh walk visited 1 properties in 60 ms.
RANDOM walk for 40000 steps (537 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (86 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1818140 steps, run timeout after 3001 ms. (steps per millisecond=605 ) properties seen :0 out of 1
Probabilistic random walk after 1818140 steps, saw 253675 distinct states, run finished after 3001 ms. (steps per millisecond=605 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:47:22] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:47:22] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 198 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:22] [INFO ] Deduced a trap composed of 10 places in 43 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:22] [INFO ] Deduced a trap composed of 12 places in 57 ms of which 1 ms to minimize.
[2024-05-31 18:47:23] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:47:23] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 3/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:23] [INFO ] Deduced a trap composed of 6 places in 72 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 1/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 340 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: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 758ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 225 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 12 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (552 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1811885 steps, run timeout after 3001 ms. (steps per millisecond=603 ) properties seen :0 out of 1
Probabilistic random walk after 1811885 steps, saw 252899 distinct states, run finished after 3001 ms. (steps per millisecond=603 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:47:26] [INFO ] Computed 60 invariants in 7 ms
[2024-05-31 18:47:26] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:26] [INFO ] Deduced a trap composed of 11 places in 56 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/402 variables, 8/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 42/445 variables, 3/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 39/484 variables, 39/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:26] [INFO ] Deduced a trap composed of 6 places in 45 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/484 variables, 1/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 359 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:26] [INFO ] Deduced a trap composed of 9 places in 45 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/213 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 1/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/220 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/220 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 170/390 variables, 220/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 2/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 1/280 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/402 variables, 8/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 3/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/402 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/402 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/403 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/403 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/403 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 42/445 variables, 3/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/445 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/445 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 39/484 variables, 39/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/484 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/484 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 316 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 693ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1145 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=286 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (539 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1810287 steps, run timeout after 3001 ms. (steps per millisecond=603 ) properties seen :0 out of 1
Probabilistic random walk after 1810287 steps, saw 252676 distinct states, run finished after 3001 ms. (steps per millisecond=603 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:47:30] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:47:30] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:30] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:47:30] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 1 ms to minimize.
[2024-05-31 18:47:30] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 3/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:30] [INFO ] Deduced a trap composed of 6 places in 48 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 403 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 4/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 339 constraints, problems are : Problem set: 0 solved, 1 unsolved in 234 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 647ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 958 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=239 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (537 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (86 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1809650 steps, run timeout after 3001 ms. (steps per millisecond=603 ) properties seen :0 out of 1
Probabilistic random walk after 1809650 steps, saw 252596 distinct states, run finished after 3001 ms. (steps per millisecond=603 ) properties seen :0
[2024-05-31 18:47:33] [INFO ] Invariant cache hit.
[2024-05-31 18:47:33] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:34] [INFO ] Deduced a trap composed of 12 places in 53 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 275 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:34] [INFO ] Deduced a trap composed of 17 places in 59 ms of which 1 ms to minimize.
[2024-05-31 18:47:34] [INFO ] Deduced a trap composed of 18 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:47:34] [INFO ] Deduced a trap composed of 17 places in 54 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 3/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 339 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: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 697ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 57475 steps, including 229 resets, run visited all 1 properties in 128 ms. (steps per millisecond=449 )
Parikh walk visited 1 properties in 128 ms.
RANDOM walk for 40000 steps (543 resets) in 117 ms. (338 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1801444 steps, run timeout after 3001 ms. (steps per millisecond=600 ) properties seen :0 out of 1
Probabilistic random walk after 1801444 steps, saw 251430 distinct states, run finished after 3001 ms. (steps per millisecond=600 ) properties seen :0
[2024-05-31 18:47:37] [INFO ] Invariant cache hit.
[2024-05-31 18:47:37] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 160 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:38] [INFO ] Deduced a trap composed of 13 places in 53 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 295 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 462ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 934 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=233 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (542 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (92 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1802075 steps, run timeout after 3001 ms. (steps per millisecond=600 ) properties seen :0 out of 1
Probabilistic random walk after 1802075 steps, saw 251531 distinct states, run finished after 3001 ms. (steps per millisecond=600 ) properties seen :0
[2024-05-31 18:47:41] [INFO ] Invariant cache hit.
[2024-05-31 18:47:41] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:41] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:47:41] [INFO ] Deduced a trap composed of 20 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:47:41] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 407 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 576ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 174 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 12 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (537 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (94 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1798718 steps, run timeout after 3001 ms. (steps per millisecond=599 ) properties seen :0 out of 1
Probabilistic random walk after 1798718 steps, saw 251036 distinct states, run finished after 3001 ms. (steps per millisecond=599 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:47:45] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:47:45] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 206 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:45] [INFO ] Deduced a trap composed of 9 places in 42 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/213 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/220 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 170/390 variables, 220/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/402 variables, 8/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/445 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 39/484 variables, 39/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 265 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 483ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 16018 steps, including 40 resets, run visited all 1 properties in 37 ms. (steps per millisecond=432 )
Parikh walk visited 1 properties in 36 ms.
RANDOM walk for 40000 steps (543 resets) in 135 ms. (294 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1799541 steps, run timeout after 3001 ms. (steps per millisecond=599 ) properties seen :0 out of 1
Probabilistic random walk after 1799541 steps, saw 251143 distinct states, run finished after 3001 ms. (steps per millisecond=599 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:47:48] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:47:48] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 199 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:49] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:49] [INFO ] Deduced a trap composed of 12 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:47:49] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 2 ms to minimize.
[2024-05-31 18:47:49] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 2 ms to minimize.
[2024-05-31 18:47:49] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 4/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 340 constraints, problems are : Problem set: 0 solved, 1 unsolved in 513 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 722ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 8613 steps, including 38 resets, run visited all 1 properties in 24 ms. (steps per millisecond=358 )
Parikh walk visited 1 properties in 23 ms.
RANDOM walk for 40000 steps (534 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1811556 steps, run timeout after 3001 ms. (steps per millisecond=603 ) properties seen :0 out of 1
Probabilistic random walk after 1811556 steps, saw 252862 distinct states, run finished after 3001 ms. (steps per millisecond=603 ) properties seen :0
[2024-05-31 18:47:52] [INFO ] Invariant cache hit.
[2024-05-31 18:47:52] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 158 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:52] [INFO ] Deduced a trap composed of 17 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:47:52] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:47:53] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 377 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 554ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 165 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 12 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (546 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (93 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1814485 steps, run timeout after 3001 ms. (steps per millisecond=604 ) properties seen :0 out of 1
Probabilistic random walk after 1814485 steps, saw 253217 distinct states, run finished after 3001 ms. (steps per millisecond=604 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:47:56] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:47:56] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 219 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:47:56] [INFO ] Deduced a trap composed of 9 places in 36 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/213 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/220 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 170/390 variables, 220/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/402 variables, 8/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/445 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 39/484 variables, 39/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 302 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 531ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 7713 steps, including 28 resets, run visited all 1 properties in 18 ms. (steps per millisecond=428 )
Parikh walk visited 1 properties in 17 ms.
RANDOM walk for 40000 steps (546 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (92 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1803343 steps, run timeout after 3001 ms. (steps per millisecond=600 ) properties seen :0 out of 1
Probabilistic random walk after 1803343 steps, saw 251697 distinct states, run finished after 3001 ms. (steps per millisecond=600 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:47:59] [INFO ] Computed 60 invariants in 3 ms
[2024-05-31 18:47:59] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:00] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:48:00] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 1 ms to minimize.
[2024-05-31 18:48:00] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 3/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 327 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:00] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:00] [INFO ] Deduced a trap composed of 8 places in 37 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/232 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/232 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 214/446 variables, 232/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 2/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/446 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 40/486 variables, 40/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 340 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: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 634ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 21314 steps, including 58 resets, run visited all 1 properties in 49 ms. (steps per millisecond=434 )
Parikh walk visited 1 properties in 48 ms.
RANDOM walk for 40000 steps (546 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1810240 steps, run timeout after 3001 ms. (steps per millisecond=603 ) properties seen :0 out of 1
Probabilistic random walk after 1810240 steps, saw 252671 distinct states, run finished after 3001 ms. (steps per millisecond=603 ) properties seen :0
[2024-05-31 18:48:03] [INFO ] Invariant cache hit.
[2024-05-31 18:48:03] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:03] [INFO ] Deduced a trap composed of 12 places in 51 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:03] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 1/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 300 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:04] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:48:04] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/232 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 214/446 variables, 232/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:04] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:48:04] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 2 ms to minimize.
[2024-05-31 18:48:04] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 3/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/446 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 40/486 variables, 40/342 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/486 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 342 constraints, problems are : Problem set: 0 solved, 1 unsolved in 454 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints]
After SMT, in 773ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 134 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 12 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (535 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1831866 steps, run timeout after 3001 ms. (steps per millisecond=610 ) properties seen :0 out of 1
Probabilistic random walk after 1831866 steps, saw 255471 distinct states, run finished after 3001 ms. (steps per millisecond=610 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:48:07] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:48:07] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:08] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/402 variables, 8/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/445 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 39/484 variables, 39/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 335 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: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 506ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 704 steps, including 1 resets, run visited all 1 properties in 3 ms. (steps per millisecond=234 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (540 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1825353 steps, run timeout after 3001 ms. (steps per millisecond=608 ) properties seen :0 out of 1
Probabilistic random walk after 1825353 steps, saw 254625 distinct states, run finished after 3001 ms. (steps per millisecond=608 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:48:11] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:48:11] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 177 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:11] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:11] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 1 ms to minimize.
[2024-05-31 18:48:11] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:48:11] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 2 ms to minimize.
[2024-05-31 18:48:11] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 4/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 340 constraints, problems are : Problem set: 0 solved, 1 unsolved in 511 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 699ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 3916 steps, including 20 resets, run visited all 1 properties in 12 ms. (steps per millisecond=326 )
Parikh walk visited 1 properties in 11 ms.
RANDOM walk for 40000 steps (543 resets) in 116 ms. (341 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1798273 steps, run timeout after 3001 ms. (steps per millisecond=599 ) properties seen :0 out of 1
Probabilistic random walk after 1798273 steps, saw 250979 distinct states, run finished after 3001 ms. (steps per millisecond=599 ) properties seen :0
[2024-05-31 18:48:14] [INFO ] Invariant cache hit.
[2024-05-31 18:48:14] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 205 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:15] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:15] [INFO ] Deduced a trap composed of 6 places in 43 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 1/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 319 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 527ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 96 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 11 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (563 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (96 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1796833 steps, run timeout after 3001 ms. (steps per millisecond=598 ) properties seen :0 out of 1
Probabilistic random walk after 1796833 steps, saw 250789 distinct states, run finished after 3003 ms. (steps per millisecond=598 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:48:18] [INFO ] Computed 60 invariants in 8 ms
[2024-05-31 18:48:18] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 178 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:18] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/213 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/220 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 170/390 variables, 220/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/402 variables, 8/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/445 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 39/484 variables, 39/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 320 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 510ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 519 steps, including 1 resets, run visited all 1 properties in 3 ms. (steps per millisecond=173 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (520 resets) in 108 ms. (366 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (90 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1804394 steps, run timeout after 3001 ms. (steps per millisecond=601 ) properties seen :0 out of 1
Probabilistic random walk after 1804394 steps, saw 251830 distinct states, run finished after 3001 ms. (steps per millisecond=601 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:48:22] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:48:22] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 222 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:22] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/232 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:22] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:48:22] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:48:22] [INFO ] Deduced a trap composed of 20 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:48:22] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:48:22] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 5/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 341 constraints, problems are : Problem set: 0 solved, 1 unsolved in 574 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints]
After SMT, in 808ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 522 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=261 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (533 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (90 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1799438 steps, run timeout after 3001 ms. (steps per millisecond=599 ) properties seen :0 out of 1
Probabilistic random walk after 1799438 steps, saw 251132 distinct states, run finished after 3001 ms. (steps per millisecond=599 ) properties seen :0
[2024-05-31 18:48:26] [INFO ] Invariant cache hit.
[2024-05-31 18:48:26] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 178 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:26] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 1 ms to minimize.
[2024-05-31 18:48:26] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 2/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 363 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 545ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 434 steps, including 1 resets, run visited all 1 properties in 3 ms. (steps per millisecond=144 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (504 resets) in 100 ms. (396 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1804289 steps, run timeout after 3001 ms. (steps per millisecond=601 ) properties seen :0 out of 1
Probabilistic random walk after 1804289 steps, saw 251820 distinct states, run finished after 3001 ms. (steps per millisecond=601 ) properties seen :0
[2024-05-31 18:48:29] [INFO ] Invariant cache hit.
[2024-05-31 18:48:29] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 167 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:30] [INFO ] Deduced a trap composed of 12 places in 57 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 293 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 466ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 407 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=203 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (534 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (93 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1806584 steps, run timeout after 3001 ms. (steps per millisecond=601 ) properties seen :0 out of 1
Probabilistic random walk after 1806584 steps, saw 252174 distinct states, run finished after 3001 ms. (steps per millisecond=601 ) properties seen :0
[2024-05-31 18:48:33] [INFO ] Invariant cache hit.
[2024-05-31 18:48:33] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 172 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:33] [INFO ] Deduced a trap composed of 13 places in 55 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:33] [INFO ] Deduced a trap composed of 6 places in 41 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 1/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 337 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: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 547ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 359 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=179 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (523 resets) in 100 ms. (396 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (98 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1817300 steps, run timeout after 3001 ms. (steps per millisecond=605 ) properties seen :0 out of 1
Probabilistic random walk after 1817300 steps, saw 253565 distinct states, run finished after 3001 ms. (steps per millisecond=605 ) properties seen :0
[2024-05-31 18:48:36] [INFO ] Invariant cache hit.
[2024-05-31 18:48:36] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 198 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:37] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 0 ms to minimize.
[2024-05-31 18:48:37] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 2/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 337 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: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 517ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 53703 steps, including 67 resets, run visited all 1 properties in 111 ms. (steps per millisecond=483 )
Parikh walk visited 1 properties in 110 ms.
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (563 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (94 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1789348 steps, run timeout after 3001 ms. (steps per millisecond=596 ) properties seen :0 out of 1
Probabilistic random walk after 1789348 steps, saw 249549 distinct states, run finished after 3001 ms. (steps per millisecond=596 ) properties seen :0
[2024-05-31 18:48:40] [INFO ] Invariant cache hit.
[2024-05-31 18:48:40] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 208 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:40] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 1 ms to minimize.
[2024-05-31 18:48:40] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:41] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:48:41] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 1 ms to minimize.
[2024-05-31 18:48:41] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 1 ms to minimize.
[2024-05-31 18:48:41] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 4/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 341 constraints, problems are : Problem set: 0 solved, 1 unsolved in 503 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints]
After SMT, in 723ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 36821 steps, including 187 resets, run visited all 1 properties in 78 ms. (steps per millisecond=472 )
Parikh walk visited 1 properties in 77 ms.
RANDOM walk for 40000 steps (543 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1804865 steps, run timeout after 3001 ms. (steps per millisecond=601 ) properties seen :0 out of 1
Probabilistic random walk after 1804865 steps, saw 251893 distinct states, run finished after 3002 ms. (steps per millisecond=601 ) properties seen :0
[2024-05-31 18:48:44] [INFO ] Invariant cache hit.
[2024-05-31 18:48:44] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:44] [INFO ] Deduced a trap composed of 17 places in 54 ms of which 1 ms to minimize.
[2024-05-31 18:48:44] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:48:44] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 370 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 550ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 34699 steps, including 194 resets, run visited all 1 properties in 81 ms. (steps per millisecond=428 )
Parikh walk visited 1 properties in 81 ms.
RANDOM walk for 40000 steps (537 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (78 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1806909 steps, run timeout after 3001 ms. (steps per millisecond=602 ) properties seen :0 out of 1
Probabilistic random walk after 1806909 steps, saw 252231 distinct states, run finished after 3002 ms. (steps per millisecond=601 ) properties seen :0
[2024-05-31 18:48:48] [INFO ] Invariant cache hit.
[2024-05-31 18:48:48] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 197 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:48] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 1 ms to minimize.
[2024-05-31 18:48:48] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:48] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:48:48] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 0 ms to minimize.
[2024-05-31 18:48:48] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 3/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 340 constraints, problems are : Problem set: 0 solved, 1 unsolved in 438 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 650ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 359 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 11 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (532 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1809968 steps, run timeout after 3001 ms. (steps per millisecond=603 ) properties seen :0 out of 1
Probabilistic random walk after 1809968 steps, saw 252629 distinct states, run finished after 3001 ms. (steps per millisecond=603 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:48:52] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:48:52] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 231 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/402 variables, 8/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:52] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 1 ms to minimize.
[2024-05-31 18:48:52] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 2/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:52] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/403 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 42/445 variables, 3/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/445 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 39/484 variables, 39/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/484 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/484 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 388 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 639ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 29158 steps, including 98 resets, run visited all 1 properties in 64 ms. (steps per millisecond=455 )
Parikh walk visited 1 properties in 63 ms.
RANDOM walk for 40000 steps (535 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1813931 steps, run timeout after 3001 ms. (steps per millisecond=604 ) properties seen :0 out of 1
Probabilistic random walk after 1813931 steps, saw 253153 distinct states, run finished after 3001 ms. (steps per millisecond=604 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:48:55] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:48:55] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 214 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:48:56] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 1/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 248 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 473ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 352 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 10 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (549 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (96 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1804308 steps, run timeout after 3001 ms. (steps per millisecond=601 ) properties seen :0 out of 1
Probabilistic random walk after 1804308 steps, saw 251822 distinct states, run finished after 3001 ms. (steps per millisecond=601 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:48:59] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:48:59] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 211 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/402 variables, 8/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:00] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 1 ms to minimize.
[2024-05-31 18:49:00] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 2/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:00] [INFO ] Deduced a trap composed of 18 places in 23 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/403 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 42/445 variables, 3/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/445 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 39/484 variables, 39/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/484 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/484 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 380 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 601ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 14643 steps, including 43 resets, run visited all 1 properties in 34 ms. (steps per millisecond=430 )
Parikh walk visited 1 properties in 34 ms.
RANDOM walk for 40000 steps (542 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1795258 steps, run timeout after 3001 ms. (steps per millisecond=598 ) properties seen :0 out of 1
Probabilistic random walk after 1795258 steps, saw 250561 distinct states, run finished after 3001 ms. (steps per millisecond=598 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:49:03] [INFO ] Computed 60 invariants in 8 ms
[2024-05-31 18:49:03] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 216 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 219 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 447ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1646 steps, including 1 resets, run visited all 1 properties in 6 ms. (steps per millisecond=274 )
Parikh walk visited 1 properties in 5 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 (93 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1807310 steps, run timeout after 3001 ms. (steps per millisecond=602 ) properties seen :0 out of 1
Probabilistic random walk after 1807310 steps, saw 252284 distinct states, run finished after 3001 ms. (steps per millisecond=602 ) properties seen :0
[2024-05-31 18:49:07] [INFO ] Invariant cache hit.
[2024-05-31 18:49:07] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:07] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:49:07] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:49:07] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 363 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 542ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 9009 steps, including 25 resets, run visited all 1 properties in 23 ms. (steps per millisecond=391 )
Parikh walk visited 1 properties in 23 ms.
RANDOM walk for 40000 steps (540 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1804039 steps, run timeout after 3001 ms. (steps per millisecond=601 ) properties seen :0 out of 1
Probabilistic random walk after 1804039 steps, saw 251793 distinct states, run finished after 3001 ms. (steps per millisecond=601 ) properties seen :0
[2024-05-31 18:49:10] [INFO ] Invariant cache hit.
[2024-05-31 18:49:10] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 190 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:10] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 1 ms to minimize.
[2024-05-31 18:49:10] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:11] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:49:11] [INFO ] Deduced a trap composed of 9 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:49:11] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 1 ms to minimize.
[2024-05-31 18:49:11] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 1 ms to minimize.
[2024-05-31 18:49:11] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 5/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/342 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 342 constraints, problems are : Problem set: 0 solved, 1 unsolved in 561 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints]
After SMT, in 754ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 10401 steps, including 44 resets, run visited all 1 properties in 31 ms. (steps per millisecond=335 )
Parikh walk visited 1 properties in 31 ms.
RANDOM walk for 40000 steps (531 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (81 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1558983 steps, run timeout after 3001 ms. (steps per millisecond=519 ) properties seen :0 out of 1
Probabilistic random walk after 1558983 steps, saw 218344 distinct states, run finished after 3002 ms. (steps per millisecond=519 ) properties seen :0
[2024-05-31 18:49:14] [INFO ] Invariant cache hit.
[2024-05-31 18:49:14] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 184 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:14] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 268 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 460ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 22009 steps, including 68 resets, run visited all 1 properties in 54 ms. (steps per millisecond=407 )
Parikh walk visited 1 properties in 53 ms.
RANDOM walk for 40000 steps (538 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (99 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1815237 steps, run timeout after 3001 ms. (steps per millisecond=604 ) properties seen :0 out of 1
Probabilistic random walk after 1815237 steps, saw 253310 distinct states, run finished after 3002 ms. (steps per millisecond=604 ) properties seen :0
[2024-05-31 18:49:18] [INFO ] Invariant cache hit.
[2024-05-31 18:49:18] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 184 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:18] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 1 ms to minimize.
[2024-05-31 18:49:18] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:18] [INFO ] Deduced a trap composed of 17 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:49:18] [INFO ] Deduced a trap composed of 9 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:49:18] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 3/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 340 constraints, problems are : Problem set: 0 solved, 1 unsolved in 452 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 640ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 90584 steps, including 199 resets, run visited all 1 properties in 199 ms. (steps per millisecond=455 )
Parikh walk visited 1 properties in 198 ms.
RANDOM walk for 40000 steps (527 resets) in 112 ms. (353 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1796185 steps, run timeout after 3001 ms. (steps per millisecond=598 ) properties seen :0 out of 1
Probabilistic random walk after 1796185 steps, saw 250693 distinct states, run finished after 3001 ms. (steps per millisecond=598 ) properties seen :0
[2024-05-31 18:49:21] [INFO ] Invariant cache hit.
[2024-05-31 18:49:21] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 178 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:22] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 1/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 244 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 429ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 17345 steps, including 28 resets, run visited all 1 properties in 39 ms. (steps per millisecond=444 )
Parikh walk visited 1 properties in 38 ms.
RANDOM walk for 40000 steps (532 resets) in 108 ms. (366 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (96 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1807508 steps, run timeout after 3001 ms. (steps per millisecond=602 ) properties seen :0 out of 1
Probabilistic random walk after 1807508 steps, saw 252314 distinct states, run finished after 3001 ms. (steps per millisecond=602 ) properties seen :0
[2024-05-31 18:49:25] [INFO ] Invariant cache hit.
[2024-05-31 18:49:25] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 209 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:25] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 1 ms to minimize.
[2024-05-31 18:49:25] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 290 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 504ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 34463 steps, including 58 resets, run visited all 1 properties in 76 ms. (steps per millisecond=453 )
Parikh walk visited 1 properties in 75 ms.
RANDOM walk for 40000 steps (533 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (95 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1806298 steps, run timeout after 3001 ms. (steps per millisecond=601 ) properties seen :0 out of 1
Probabilistic random walk after 1806298 steps, saw 252132 distinct states, run finished after 3001 ms. (steps per millisecond=601 ) properties seen :0
[2024-05-31 18:49:29] [INFO ] Invariant cache hit.
[2024-05-31 18:49:29] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 207 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:29] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:49:29] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:49:29] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 379 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 592ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 39820 steps, including 67 resets, run visited all 1 properties in 80 ms. (steps per millisecond=497 )
Parikh walk visited 1 properties in 81 ms.
RANDOM walk for 40000 steps (538 resets) in 134 ms. (296 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (94 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1813836 steps, run timeout after 3001 ms. (steps per millisecond=604 ) properties seen :0 out of 1
Probabilistic random walk after 1813836 steps, saw 253146 distinct states, run finished after 3001 ms. (steps per millisecond=604 ) properties seen :0
[2024-05-31 18:49:32] [INFO ] Invariant cache hit.
[2024-05-31 18:49:32] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:33] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:49:33] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 297 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 505ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1317 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=263 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (542 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (87 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1819267 steps, run timeout after 3001 ms. (steps per millisecond=606 ) properties seen :0 out of 1
Probabilistic random walk after 1819267 steps, saw 253819 distinct states, run finished after 3001 ms. (steps per millisecond=606 ) properties seen :0
[2024-05-31 18:49:36] [INFO ] Invariant cache hit.
[2024-05-31 18:49:36] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:36] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:49:36] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 1 ms to minimize.
[2024-05-31 18:49:36] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 338 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: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 559ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 267 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 10 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (558 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (90 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1808647 steps, run timeout after 3001 ms. (steps per millisecond=602 ) properties seen :0 out of 1
Probabilistic random walk after 1808647 steps, saw 252454 distinct states, run finished after 3001 ms. (steps per millisecond=602 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:49:40] [INFO ] Computed 60 invariants in 3 ms
[2024-05-31 18:49:40] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 216 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/402 variables, 8/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:40] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 0 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:40] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 0 ms to minimize.
[2024-05-31 18:49:40] [INFO ] Deduced a trap composed of 17 places in 28 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/403 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 42/445 variables, 3/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/445 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 39/484 variables, 39/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:40] [INFO ] Deduced a trap composed of 5 places in 35 ms of which 1 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/484 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/484 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/484 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 478 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 718ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 7254 steps, including 20 resets, run visited all 1 properties in 16 ms. (steps per millisecond=453 )
Parikh walk visited 1 properties in 16 ms.
RANDOM walk for 40000 steps (540 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (84 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1808884 steps, run timeout after 3001 ms. (steps per millisecond=602 ) properties seen :0 out of 1
Probabilistic random walk after 1808884 steps, saw 252494 distinct states, run finished after 3001 ms. (steps per millisecond=602 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:49:44] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:49:44] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:44] [INFO ] Deduced a trap composed of 17 places in 58 ms of which 1 ms to minimize.
[2024-05-31 18:49:44] [INFO ] Deduced a trap composed of 18 places in 57 ms of which 1 ms to minimize.
[2024-05-31 18:49:44] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 3/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 394 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 213 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 612ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 47769 steps, including 100 resets, run visited all 1 properties in 102 ms. (steps per millisecond=468 )
Parikh walk visited 1 properties in 102 ms.
RANDOM walk for 40000 steps (534 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (90 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1819183 steps, run timeout after 3001 ms. (steps per millisecond=606 ) properties seen :0 out of 1
Probabilistic random walk after 1819183 steps, saw 253811 distinct states, run finished after 3001 ms. (steps per millisecond=606 ) properties seen :0
[2024-05-31 18:49:47] [INFO ] Invariant cache hit.
[2024-05-31 18:49:47] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:48] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 1 ms to minimize.
[2024-05-31 18:49:48] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 0 ms to minimize.
[2024-05-31 18:49:48] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 3/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 299 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:48] [INFO ] Deduced a trap composed of 6 places in 36 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 339 constraints, problems are : Problem set: 0 solved, 1 unsolved in 237 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 540ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 229 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 17 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (531 resets) in 132 ms. (300 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (96 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1810191 steps, run timeout after 3001 ms. (steps per millisecond=603 ) properties seen :0 out of 1
Probabilistic random walk after 1810191 steps, saw 252664 distinct states, run finished after 3001 ms. (steps per millisecond=603 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:49:51] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:49:51] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 205 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/402 variables, 8/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 42/445 variables, 3/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 39/484 variables, 39/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:52] [INFO ] Deduced a trap composed of 5 places in 36 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/484 variables, 1/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 270 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 487ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1144 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=163 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (538 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (96 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1813836 steps, run timeout after 3001 ms. (steps per millisecond=604 ) properties seen :0 out of 1
Probabilistic random walk after 1813836 steps, saw 253146 distinct states, run finished after 3001 ms. (steps per millisecond=604 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:49:55] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:49:55] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:49:55] [INFO ] Deduced a trap composed of 16 places in 60 ms of which 1 ms to minimize.
[2024-05-31 18:49:55] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 325 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 206 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 541ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1174 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=293 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (540 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (97 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1823417 steps, run timeout after 3001 ms. (steps per millisecond=607 ) properties seen :0 out of 1
Probabilistic random walk after 1823417 steps, saw 254353 distinct states, run finished after 3002 ms. (steps per millisecond=607 ) properties seen :0
[2024-05-31 18:49:58] [INFO ] Invariant cache hit.
[2024-05-31 18:49:58] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 205 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 207 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 423ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 217 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 10 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (537 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (77 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1820793 steps, run timeout after 3001 ms. (steps per millisecond=606 ) properties seen :0 out of 1
Probabilistic random walk after 1820793 steps, saw 254000 distinct states, run finished after 3001 ms. (steps per millisecond=606 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:50:02] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:50:02] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:02] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/402 variables, 8/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:02] [INFO ] Deduced a trap composed of 16 places in 25 ms of which 0 ms to minimize.
[2024-05-31 18:50:02] [INFO ] Deduced a trap composed of 18 places in 23 ms of which 0 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 2/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/445 variables, 3/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 39/484 variables, 39/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 365 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/220 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 170/390 variables, 220/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/402 variables, 8/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/402 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/403 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/403 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 42/445 variables, 3/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/445 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/445 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 39/484 variables, 39/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/484 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/484 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 242 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 623ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 19011 steps, including 40 resets, run visited all 1 properties in 45 ms. (steps per millisecond=422 )
Parikh walk visited 1 properties in 45 ms.
RANDOM walk for 40000 steps (529 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (99 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1809906 steps, run timeout after 3001 ms. (steps per millisecond=603 ) properties seen :0 out of 1
Probabilistic random walk after 1809906 steps, saw 252624 distinct states, run finished after 3003 ms. (steps per millisecond=602 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:50:06] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:50:06] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 197 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:06] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 0 ms to minimize.
[2024-05-31 18:50:06] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:50:06] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 345 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 564ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 215 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 21 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (537 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (84 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1815673 steps, run timeout after 3001 ms. (steps per millisecond=605 ) properties seen :0 out of 1
Probabilistic random walk after 1815673 steps, saw 253362 distinct states, run finished after 3001 ms. (steps per millisecond=605 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:50:10] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:50:10] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 214 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/402 variables, 8/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 42/445 variables, 3/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 39/484 variables, 39/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/484 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/484 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 243 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 470ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 22368 steps, including 46 resets, run visited all 1 properties in 49 ms. (steps per millisecond=456 )
Parikh walk visited 1 properties in 48 ms.
RANDOM walk for 40000 steps (531 resets) in 112 ms. (353 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (92 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1819976 steps, run timeout after 3001 ms. (steps per millisecond=606 ) properties seen :0 out of 1
Probabilistic random walk after 1819976 steps, saw 253896 distinct states, run finished after 3001 ms. (steps per millisecond=606 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:50:13] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:50:13] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 186 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:14] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 1/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 284 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 480ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 183 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 10 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (551 resets) in 101 ms. (392 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (85 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1810086 steps, run timeout after 3001 ms. (steps per millisecond=603 ) properties seen :0 out of 1
Probabilistic random walk after 1810086 steps, saw 252651 distinct states, run finished after 3001 ms. (steps per millisecond=603 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:50:17] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:50:17] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 233 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/402 variables, 8/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:17] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 1 ms to minimize.
[2024-05-31 18:50:18] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 0 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 2/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/445 variables, 3/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 39/484 variables, 39/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 375 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 625ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 5264 steps, including 14 resets, run visited all 1 properties in 12 ms. (steps per millisecond=438 )
Parikh walk visited 1 properties in 11 ms.
RANDOM walk for 40000 steps (528 resets) in 108 ms. (366 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1769319 steps, run timeout after 3001 ms. (steps per millisecond=589 ) properties seen :0 out of 1
Probabilistic random walk after 1769319 steps, saw 246995 distinct states, run finished after 3001 ms. (steps per millisecond=589 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:50:21] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:50:21] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:21] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:50:21] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:50:21] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 367 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 565ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 192 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 13 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (534 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1762129 steps, run timeout after 3001 ms. (steps per millisecond=587 ) properties seen :0 out of 1
Probabilistic random walk after 1762129 steps, saw 246102 distinct states, run finished after 3001 ms. (steps per millisecond=587 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:50:24] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:50:24] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 205 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:25] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/402 variables, 8/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:25] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/402 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:25] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 1 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/403 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/403 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 42/445 variables, 3/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/445 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/445 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 39/484 variables, 39/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/484 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/484 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 406 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 623ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 59497 steps, including 235 resets, run visited all 1 properties in 131 ms. (steps per millisecond=454 )
Parikh walk visited 1 properties in 131 ms.
RANDOM walk for 40000 steps (545 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1776785 steps, run timeout after 3001 ms. (steps per millisecond=592 ) properties seen :0 out of 1
Probabilistic random walk after 1776785 steps, saw 247993 distinct states, run finished after 3001 ms. (steps per millisecond=592 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:50:28] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:50:28] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 391ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 36514 steps, including 85 resets, run visited all 1 properties in 82 ms. (steps per millisecond=445 )
Parikh walk visited 1 properties in 81 ms.
RANDOM walk for 40000 steps (541 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (105 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1794580 steps, run timeout after 3001 ms. (steps per millisecond=597 ) properties seen :0 out of 1
Probabilistic random walk after 1794580 steps, saw 250452 distinct states, run finished after 3001 ms. (steps per millisecond=597 ) properties seen :0
[2024-05-31 18:50:32] [INFO ] Invariant cache hit.
[2024-05-31 18:50:32] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 178 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:32] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 1 ms to minimize.
[2024-05-31 18:50:32] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:32] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 1 ms to minimize.
[2024-05-31 18:50:32] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 1 ms to minimize.
[2024-05-31 18:50:32] [INFO ] Deduced a trap composed of 19 places in 23 ms of which 1 ms to minimize.
[2024-05-31 18:50:32] [INFO ] Deduced a trap composed of 17 places in 26 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 4/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 341 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: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints]
After SMT, in 635ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 3138 steps, including 8 resets, run visited all 1 properties in 14 ms. (steps per millisecond=224 )
Parikh walk visited 1 properties in 13 ms.
RANDOM walk for 40000 steps (544 resets) in 108 ms. (366 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (90 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1793043 steps, run timeout after 3001 ms. (steps per millisecond=597 ) properties seen :0 out of 1
Probabilistic random walk after 1793043 steps, saw 250207 distinct states, run finished after 3003 ms. (steps per millisecond=597 ) properties seen :0
[2024-05-31 18:50:36] [INFO ] Invariant cache hit.
[2024-05-31 18:50:36] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 187 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:36] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 1 ms to minimize.
[2024-05-31 18:50:36] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:50:36] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 352 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 545ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 17050 steps, including 52 resets, run visited all 1 properties in 43 ms. (steps per millisecond=396 )
Parikh walk visited 1 properties in 42 ms.
RANDOM walk for 40000 steps (532 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (99 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1788216 steps, run timeout after 3001 ms. (steps per millisecond=595 ) properties seen :0 out of 1
Probabilistic random walk after 1788216 steps, saw 249424 distinct states, run finished after 3001 ms. (steps per millisecond=595 ) properties seen :0
[2024-05-31 18:50:39] [INFO ] Invariant cache hit.
[2024-05-31 18:50:39] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:39] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 1 ms to minimize.
[2024-05-31 18:50:39] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 1 ms to minimize.
[2024-05-31 18:50:39] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 3/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 348 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:40] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 1 ms to minimize.
[2024-05-31 18:50:40] [INFO ] Deduced a trap composed of 16 places in 22 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 2/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:40] [INFO ] Deduced a trap composed of 9 places in 42 ms of which 1 ms to minimize.
[2024-05-31 18:50:40] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 2/342 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/486 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 342 constraints, problems are : Problem set: 0 solved, 1 unsolved in 363 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints]
After SMT, in 717ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 144 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 11 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (553 resets) in 166 ms. (239 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1804779 steps, run timeout after 3001 ms. (steps per millisecond=601 ) properties seen :0 out of 1
Probabilistic random walk after 1804779 steps, saw 251881 distinct states, run finished after 3001 ms. (steps per millisecond=601 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:50:43] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:50:43] [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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 227 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 152/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/188 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/213 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/220 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/402 variables, 8/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 42/445 variables, 3/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 39/484 variables, 39/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:50:44] [INFO ] Deduced a trap composed of 5 places in 31 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/484 variables, 1/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 278 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 514ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 110 ms.
Support contains 1 out of 271 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 271/271 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 4 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2024-05-31 18:50:44] [INFO ] Invariant cache hit.
[2024-05-31 18:50:44] [INFO ] Implicit Places using invariants in 141 ms returned []
[2024-05-31 18:50:44] [INFO ] Invariant cache hit.
[2024-05-31 18:50:44] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:50:44] [INFO ] Implicit Places using invariants and state equation in 313 ms returned []
Implicit Place search using SMT with State Equation took 456 ms to find 0 implicit places.
[2024-05-31 18:50:44] [INFO ] Redundant transitions in 3 ms returned []
Running 210 sub problems to find dead transitions.
[2024-05-31 18:50:44] [INFO ] Invariant cache hit.
[2024-05-31 18:50:44] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/270 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (OVERLAPS) 213/483 variables, 270/330 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/483 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (OVERLAPS) 1/484 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:50:50] [INFO ] Deduced a trap composed of 6 places in 31 ms of which 1 ms to minimize.
[2024-05-31 18:50:50] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 0 ms to minimize.
[2024-05-31 18:50:51] [INFO ] Deduced a trap composed of 6 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:50:51] [INFO ] Deduced a trap composed of 10 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:50:51] [INFO ] Deduced a trap composed of 40 places in 34 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/484 variables, 5/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:50:53] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 1 ms to minimize.
[2024-05-31 18:50:54] [INFO ] Deduced a trap composed of 9 places in 68 ms of which 2 ms to minimize.
[2024-05-31 18:50:54] [INFO ] Deduced a trap composed of 7 places in 54 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/484 variables, 3/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 12 (OVERLAPS) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 341 constraints, problems are : Problem set: 0 solved, 210 unsolved in 14503 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (OVERLAPS) 2/270 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (OVERLAPS) 213/483 variables, 270/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/483 variables, 210/550 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:51:10] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 2 ms to minimize.
[2024-05-31 18:51:12] [INFO ] Deduced a trap composed of 7 places in 68 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/483 variables, 2/552 constraints. Problems are: Problem set: 0 solved, 210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 483/484 variables, and 552 constraints, problems are : Problem set: 0 solved, 210 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 270/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 10/10 constraints]
After SMT, in 44618ms problems are : Problem set: 0 solved, 210 unsolved
Search for dead transitions found 0 dead transitions in 44621ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45094 ms. Remains : 271/271 places, 213/213 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 271 transition count 213
Applied a total of 1 rules in 7 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:51:29] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:51:29] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:51:29] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2024-05-31 18:51:29] [INFO ] After 76ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:51:29] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:51:29] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2024-05-31 18:51:29] [INFO ] After 86ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:51:29] [INFO ] After 100ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:51:29] [INFO ] After 168ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 258 ms.
RANDOM walk for 40000 steps (529 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (93 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1791529 steps, run timeout after 3001 ms. (steps per millisecond=596 ) properties seen :0 out of 1
Probabilistic random walk after 1791529 steps, saw 249971 distinct states, run finished after 3001 ms. (steps per millisecond=596 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:51:32] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:51:32] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:51:32] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:51:32] [INFO ] Deduced a trap composed of 22 places in 33 ms of which 1 ms to minimize.
[2024-05-31 18:51:32] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 0 ms to minimize.
[2024-05-31 18:51:32] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 4/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 338 constraints, problems are : Problem set: 0 solved, 1 unsolved in 356 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 4/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 339 constraints, problems are : Problem set: 0 solved, 1 unsolved in 203 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 568ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 16237 steps, including 43 resets, run visited all 1 properties in 38 ms. (steps per millisecond=427 )
Parikh walk visited 1 properties in 38 ms.
RANDOM walk for 40000 steps (547 resets) in 112 ms. (353 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (91 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1797729 steps, run timeout after 3001 ms. (steps per millisecond=599 ) properties seen :0 out of 1
Probabilistic random walk after 1797729 steps, saw 250901 distinct states, run finished after 3001 ms. (steps per millisecond=599 ) properties seen :0
[2024-05-31 18:51:36] [INFO ] Invariant cache hit.
[2024-05-31 18:51:36] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:51:36] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:51:36] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 1 ms to minimize.
[2024-05-31 18:51:36] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 3/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 344 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:51:36] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 1 ms to minimize.
[2024-05-31 18:51:36] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/232 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 214/446 variables, 232/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 2/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 340 constraints, problems are : Problem set: 0 solved, 1 unsolved in 308 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 661ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 13816 steps, including 40 resets, run visited all 1 properties in 29 ms. (steps per millisecond=476 )
Parikh walk visited 1 properties in 29 ms.
RANDOM walk for 40000 steps (538 resets) in 123 ms. (322 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (95 resets) in 85 ms. (465 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1794563 steps, run timeout after 3001 ms. (steps per millisecond=597 ) properties seen :0 out of 1
Probabilistic random walk after 1794563 steps, saw 250451 distinct states, run finished after 3001 ms. (steps per millisecond=597 ) properties seen :0
[2024-05-31 18:51:40] [INFO ] Invariant cache hit.
[2024-05-31 18:51:40] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 179 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:51:40] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 1 ms to minimize.
[2024-05-31 18:51:40] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 2/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 331 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 512ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 29545 steps, including 176 resets, run visited all 1 properties in 70 ms. (steps per millisecond=422 )
Parikh walk visited 1 properties in 69 ms.
RANDOM walk for 40000 steps (539 resets) in 108 ms. (366 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (85 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1817992 steps, run timeout after 3001 ms. (steps per millisecond=605 ) properties seen :0 out of 1
Probabilistic random walk after 1817992 steps, saw 253655 distinct states, run finished after 3001 ms. (steps per millisecond=605 ) properties seen :0
[2024-05-31 18:51:43] [INFO ] Invariant cache hit.
[2024-05-31 18:51:43] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 184 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:51:44] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 1 ms to minimize.
[2024-05-31 18:51:44] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:51:44] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 1 ms to minimize.
[2024-05-31 18:51:44] [INFO ] Deduced a trap composed of 20 places in 30 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 2/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 40/486 variables, 40/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/486 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 339 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: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 538ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 27686 steps, including 109 resets, run visited all 1 properties in 63 ms. (steps per millisecond=439 )
Parikh walk visited 1 properties in 62 ms.
RANDOM walk for 40000 steps (552 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1792363 steps, run timeout after 3001 ms. (steps per millisecond=597 ) properties seen :0 out of 1
Probabilistic random walk after 1792363 steps, saw 250097 distinct states, run finished after 3001 ms. (steps per millisecond=597 ) properties seen :0
[2024-05-31 18:51:47] [INFO ] Invariant cache hit.
[2024-05-31 18:51:47] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:51:47] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 0 ms to minimize.
[2024-05-31 18:51:47] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 317 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 195 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 515ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1657 steps, including 5 resets, run visited all 1 properties in 10 ms. (steps per millisecond=165 )
Parikh walk visited 1 properties in 9 ms.
RANDOM walk for 40000 steps (543 resets) in 98 ms. (404 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (95 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1773430 steps, run timeout after 3001 ms. (steps per millisecond=590 ) properties seen :0 out of 1
Probabilistic random walk after 1773430 steps, saw 247524 distinct states, run finished after 3001 ms. (steps per millisecond=590 ) properties seen :0
[2024-05-31 18:51:50] [INFO ] Invariant cache hit.
[2024-05-31 18:51:50] [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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 223 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 153/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/214 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/232 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:51:51] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 1 ms to minimize.
[2024-05-31 18:51:51] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 270 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 505ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 411 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=205 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (551 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1799144 steps, run timeout after 3001 ms. (steps per millisecond=599 ) properties seen :0 out of 1
Probabilistic random walk after 1799144 steps, saw 251092 distinct states, run finished after 3001 ms. (steps per millisecond=599 ) properties seen :0
[2024-05-31 18:51:54] [INFO ] Invariant cache hit.
[2024-05-31 18:51:54] [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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:51:54] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/207 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/232 variables, 23/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 283 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/207 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/232 variables, 23/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 253 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 552ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 409 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 11 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (550 resets) in 122 ms. (325 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (90 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1608674 steps, run timeout after 3001 ms. (steps per millisecond=536 ) properties seen :0 out of 1
Probabilistic random walk after 1608674 steps, saw 225466 distinct states, run finished after 3001 ms. (steps per millisecond=536 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:51:58] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:51:58] [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) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/220 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 219 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/220 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/402 variables, 8/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 42/445 variables, 3/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 39/484 variables, 39/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/484 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/484 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 242 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 471ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 382 ms.
Support contains 1 out of 271 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 271/271 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2024-05-31 18:51:59] [INFO ] Invariant cache hit.
[2024-05-31 18:51:59] [INFO ] Implicit Places using invariants in 146 ms returned []
[2024-05-31 18:51:59] [INFO ] Invariant cache hit.
[2024-05-31 18:51:59] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:51:59] [INFO ] Implicit Places using invariants and state equation in 323 ms returned []
Implicit Place search using SMT with State Equation took 471 ms to find 0 implicit places.
[2024-05-31 18:51:59] [INFO ] Redundant transitions in 2 ms returned []
Running 210 sub problems to find dead transitions.
[2024-05-31 18:51:59] [INFO ] Invariant cache hit.
[2024-05-31 18:51:59] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/270 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (OVERLAPS) 213/483 variables, 270/330 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/483 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (OVERLAPS) 1/484 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:52:05] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 1 ms to minimize.
[2024-05-31 18:52:06] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:52:06] [INFO ] Deduced a trap composed of 6 places in 33 ms of which 1 ms to minimize.
[2024-05-31 18:52:06] [INFO ] Deduced a trap composed of 10 places in 53 ms of which 1 ms to minimize.
[2024-05-31 18:52:07] [INFO ] Deduced a trap composed of 40 places in 42 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/484 variables, 5/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:52:09] [INFO ] Deduced a trap composed of 12 places in 54 ms of which 1 ms to minimize.
[2024-05-31 18:52:09] [INFO ] Deduced a trap composed of 9 places in 68 ms of which 2 ms to minimize.
[2024-05-31 18:52:09] [INFO ] Deduced a trap composed of 7 places in 50 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/484 variables, 3/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 12 (OVERLAPS) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 341 constraints, problems are : Problem set: 0 solved, 210 unsolved in 14951 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (OVERLAPS) 2/270 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (OVERLAPS) 213/483 variables, 270/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/483 variables, 210/550 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:52:25] [INFO ] Deduced a trap composed of 16 places in 69 ms of which 1 ms to minimize.
[2024-05-31 18:52:28] [INFO ] Deduced a trap composed of 7 places in 67 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/483 variables, 2/552 constraints. Problems are: Problem set: 0 solved, 210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 483/484 variables, and 552 constraints, problems are : Problem set: 0 solved, 210 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 270/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 10/10 constraints]
After SMT, in 45059ms problems are : Problem set: 0 solved, 210 unsolved
Search for dead transitions found 0 dead transitions in 45062ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45543 ms. Remains : 271/271 places, 213/213 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 271 transition count 213
Applied a total of 1 rules in 6 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:52:44] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:52:45] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:52:45] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2024-05-31 18:52:45] [INFO ] After 67ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:52:45] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2024-05-31 18:52:45] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2024-05-31 18:52:45] [INFO ] After 80ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:52:45] [INFO ] After 97ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:52:45] [INFO ] After 170ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 255 ms.
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (536 resets) in 133 ms. (298 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (80 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1798297 steps, run timeout after 3001 ms. (steps per millisecond=599 ) properties seen :0 out of 1
Probabilistic random walk after 1798297 steps, saw 250981 distinct states, run finished after 3001 ms. (steps per millisecond=599 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:52:48] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:52:48] [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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/232 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:52:48] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 274 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/232 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 255 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 537ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 7343 steps, including 34 resets, run visited all 1 properties in 20 ms. (steps per millisecond=367 )
Parikh walk visited 1 properties in 19 ms.
RANDOM walk for 40000 steps (536 resets) in 116 ms. (341 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (84 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1769912 steps, run timeout after 3001 ms. (steps per millisecond=589 ) properties seen :0 out of 1
Probabilistic random walk after 1769912 steps, saw 247062 distinct states, run finished after 3001 ms. (steps per millisecond=589 ) properties seen :0
[2024-05-31 18:52:51] [INFO ] Invariant cache hit.
[2024-05-31 18:52:51] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/232 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 186 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:52:52] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/207 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/232 variables, 23/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 214/446 variables, 232/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 2/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/486 variables, 40/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/486 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 227 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 420ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 375 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 12 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (548 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1790381 steps, run timeout after 3001 ms. (steps per millisecond=596 ) properties seen :0 out of 1
Probabilistic random walk after 1790381 steps, saw 249777 distinct states, run finished after 3001 ms. (steps per millisecond=596 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:52:55] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:52:55] [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) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/220 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 212 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:52:56] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/211 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 9/220 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 170/390 variables, 220/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/402 variables, 8/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/445 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 39/484 variables, 39/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 279 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 508ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 324 ms.
Support contains 1 out of 271 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 271/271 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2024-05-31 18:52:56] [INFO ] Invariant cache hit.
[2024-05-31 18:52:56] [INFO ] Implicit Places using invariants in 137 ms returned []
[2024-05-31 18:52:56] [INFO ] Invariant cache hit.
[2024-05-31 18:52:56] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:52:57] [INFO ] Implicit Places using invariants and state equation in 317 ms returned []
Implicit Place search using SMT with State Equation took 455 ms to find 0 implicit places.
[2024-05-31 18:52:57] [INFO ] Redundant transitions in 1 ms returned []
Running 210 sub problems to find dead transitions.
[2024-05-31 18:52:57] [INFO ] Invariant cache hit.
[2024-05-31 18:52:57] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/270 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (OVERLAPS) 213/483 variables, 270/330 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/483 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (OVERLAPS) 1/484 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:53:02] [INFO ] Deduced a trap composed of 6 places in 36 ms of which 1 ms to minimize.
[2024-05-31 18:53:03] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 0 ms to minimize.
[2024-05-31 18:53:03] [INFO ] Deduced a trap composed of 6 places in 35 ms of which 1 ms to minimize.
[2024-05-31 18:53:03] [INFO ] Deduced a trap composed of 10 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:53:04] [INFO ] Deduced a trap composed of 40 places in 26 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/484 variables, 5/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:53:06] [INFO ] Deduced a trap composed of 12 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:53:06] [INFO ] Deduced a trap composed of 9 places in 64 ms of which 1 ms to minimize.
[2024-05-31 18:53:06] [INFO ] Deduced a trap composed of 7 places in 58 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/484 variables, 3/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 12 (OVERLAPS) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 341 constraints, problems are : Problem set: 0 solved, 210 unsolved in 14849 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (OVERLAPS) 2/270 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (OVERLAPS) 213/483 variables, 270/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/483 variables, 210/550 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:53:22] [INFO ] Deduced a trap composed of 16 places in 66 ms of which 1 ms to minimize.
[2024-05-31 18:53:25] [INFO ] Deduced a trap composed of 7 places in 66 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/483 variables, 2/552 constraints. Problems are: Problem set: 0 solved, 210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 483/484 variables, and 552 constraints, problems are : Problem set: 0 solved, 210 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 270/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 10/10 constraints]
After SMT, in 44959ms problems are : Problem set: 0 solved, 210 unsolved
Search for dead transitions found 0 dead transitions in 44963ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45426 ms. Remains : 271/271 places, 213/213 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 271 transition count 213
Applied a total of 1 rules in 7 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:53:42] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:53:42] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:53:42] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2024-05-31 18:53:42] [INFO ] After 65ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:53:42] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:53:42] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 15 ms returned sat
[2024-05-31 18:53:42] [INFO ] After 89ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:53:42] [INFO ] After 105ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:53:42] [INFO ] After 183ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 265 ms.
RANDOM walk for 40000 steps (531 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1822505 steps, run timeout after 3001 ms. (steps per millisecond=607 ) properties seen :0 out of 1
Probabilistic random walk after 1822505 steps, saw 254191 distinct states, run finished after 3001 ms. (steps per millisecond=607 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:53:45] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:53:45] [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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/232 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 186 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/232 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 397ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 333 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 24 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (553 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (87 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1799984 steps, run timeout after 3001 ms. (steps per millisecond=599 ) properties seen :0 out of 1
Probabilistic random walk after 1799984 steps, saw 251214 distinct states, run finished after 3002 ms. (steps per millisecond=599 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:53:49] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:53:49] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/220 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 206 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/220 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/402 variables, 8/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 42/445 variables, 3/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 39/484 variables, 39/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/484 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/484 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 222 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 439ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 318 ms.
Support contains 1 out of 271 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 271/271 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2024-05-31 18:53:49] [INFO ] Invariant cache hit.
[2024-05-31 18:53:50] [INFO ] Implicit Places using invariants in 132 ms returned []
[2024-05-31 18:53:50] [INFO ] Invariant cache hit.
[2024-05-31 18:53:50] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:53:50] [INFO ] Implicit Places using invariants and state equation in 315 ms returned []
Implicit Place search using SMT with State Equation took 449 ms to find 0 implicit places.
[2024-05-31 18:53:50] [INFO ] Redundant transitions in 1 ms returned []
Running 210 sub problems to find dead transitions.
[2024-05-31 18:53:50] [INFO ] Invariant cache hit.
[2024-05-31 18:53:50] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/270 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (OVERLAPS) 213/483 variables, 270/330 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/483 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (OVERLAPS) 1/484 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:53:56] [INFO ] Deduced a trap composed of 6 places in 33 ms of which 1 ms to minimize.
[2024-05-31 18:53:56] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 1 ms to minimize.
[2024-05-31 18:53:57] [INFO ] Deduced a trap composed of 6 places in 38 ms of which 0 ms to minimize.
[2024-05-31 18:53:57] [INFO ] Deduced a trap composed of 10 places in 54 ms of which 1 ms to minimize.
[2024-05-31 18:53:57] [INFO ] Deduced a trap composed of 40 places in 35 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/484 variables, 5/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:53:59] [INFO ] Deduced a trap composed of 12 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:54:00] [INFO ] Deduced a trap composed of 9 places in 65 ms of which 2 ms to minimize.
[2024-05-31 18:54:00] [INFO ] Deduced a trap composed of 7 places in 58 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/484 variables, 3/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 12 (OVERLAPS) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 341 constraints, problems are : Problem set: 0 solved, 210 unsolved in 14819 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (OVERLAPS) 2/270 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (OVERLAPS) 213/483 variables, 270/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/483 variables, 210/550 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:54:16] [INFO ] Deduced a trap composed of 16 places in 62 ms of which 1 ms to minimize.
[2024-05-31 18:54:18] [INFO ] Deduced a trap composed of 7 places in 67 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/483 variables, 2/552 constraints. Problems are: Problem set: 0 solved, 210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 483/484 variables, and 552 constraints, problems are : Problem set: 0 solved, 210 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 270/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 10/10 constraints]
After SMT, in 44931ms problems are : Problem set: 0 solved, 210 unsolved
Search for dead transitions found 0 dead transitions in 44935ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45393 ms. Remains : 271/271 places, 213/213 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 271 transition count 213
Applied a total of 1 rules in 6 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:54:35] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:54:35] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:54:35] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2024-05-31 18:54:35] [INFO ] After 68ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:54:35] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:54:35] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2024-05-31 18:54:35] [INFO ] After 92ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:54:35] [INFO ] Deduced a trap composed of 10 places in 54 ms of which 1 ms to minimize.
[2024-05-31 18:54:35] [INFO ] Deduced a trap composed of 10 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:54:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 128 ms
TRAPS : Iteration 1
[2024-05-31 18:54:35] [INFO ] After 242ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:54:35] [INFO ] After 315ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 401 ms.
RANDOM walk for 40000 steps (529 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (86 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1801414 steps, run timeout after 3001 ms. (steps per millisecond=600 ) properties seen :0 out of 1
Probabilistic random walk after 1801414 steps, saw 251427 distinct states, run finished after 3001 ms. (steps per millisecond=600 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:54:38] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:54:38] [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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/232 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 178 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/232 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 192 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 381ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 342 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 9 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (531 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (93 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1814059 steps, run timeout after 3001 ms. (steps per millisecond=604 ) properties seen :0 out of 1
Probabilistic random walk after 1814059 steps, saw 253166 distinct states, run finished after 3001 ms. (steps per millisecond=604 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:54:42] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:54:42] [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) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/220 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 219 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:54:42] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/211 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 9/220 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 170/390 variables, 220/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/402 variables, 8/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/445 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 39/484 variables, 39/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 306 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 534ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 310 ms.
Support contains 1 out of 271 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 271/271 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2024-05-31 18:54:43] [INFO ] Invariant cache hit.
[2024-05-31 18:54:43] [INFO ] Implicit Places using invariants in 140 ms returned []
[2024-05-31 18:54:43] [INFO ] Invariant cache hit.
[2024-05-31 18:54:43] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:54:43] [INFO ] Implicit Places using invariants and state equation in 311 ms returned []
Implicit Place search using SMT with State Equation took 452 ms to find 0 implicit places.
[2024-05-31 18:54:43] [INFO ] Redundant transitions in 2 ms returned []
Running 210 sub problems to find dead transitions.
[2024-05-31 18:54:43] [INFO ] Invariant cache hit.
[2024-05-31 18:54:43] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/270 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (OVERLAPS) 213/483 variables, 270/330 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/483 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (OVERLAPS) 1/484 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:54:49] [INFO ] Deduced a trap composed of 6 places in 42 ms of which 1 ms to minimize.
[2024-05-31 18:54:50] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 0 ms to minimize.
[2024-05-31 18:54:50] [INFO ] Deduced a trap composed of 6 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:54:50] [INFO ] Deduced a trap composed of 10 places in 59 ms of which 1 ms to minimize.
[2024-05-31 18:54:51] [INFO ] Deduced a trap composed of 40 places in 35 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/484 variables, 5/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:54:53] [INFO ] Deduced a trap composed of 12 places in 53 ms of which 1 ms to minimize.
[2024-05-31 18:54:53] [INFO ] Deduced a trap composed of 9 places in 66 ms of which 1 ms to minimize.
[2024-05-31 18:54:53] [INFO ] Deduced a trap composed of 7 places in 61 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/484 variables, 3/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 12 (OVERLAPS) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 341 constraints, problems are : Problem set: 0 solved, 210 unsolved in 14864 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (OVERLAPS) 2/270 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (OVERLAPS) 213/483 variables, 270/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/483 variables, 210/550 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:55:09] [INFO ] Deduced a trap composed of 16 places in 55 ms of which 2 ms to minimize.
[2024-05-31 18:55:12] [INFO ] Deduced a trap composed of 7 places in 65 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/483 variables, 2/552 constraints. Problems are: Problem set: 0 solved, 210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 483/484 variables, and 552 constraints, problems are : Problem set: 0 solved, 210 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 270/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 10/10 constraints]
After SMT, in 44987ms problems are : Problem set: 0 solved, 210 unsolved
Search for dead transitions found 0 dead transitions in 44990ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45451 ms. Remains : 271/271 places, 213/213 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 271 transition count 213
Applied a total of 1 rules in 6 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:55:28] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:55:28] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:55:28] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2024-05-31 18:55:28] [INFO ] After 63ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:55:28] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:55:28] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:55:29] [INFO ] After 84ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:55:29] [INFO ] After 99ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:55:29] [INFO ] After 171ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 245 ms.
RANDOM walk for 40000 steps (558 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (85 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1813544 steps, run timeout after 3001 ms. (steps per millisecond=604 ) properties seen :0 out of 1
Probabilistic random walk after 1813544 steps, saw 253115 distinct states, run finished after 3001 ms. (steps per millisecond=604 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:55:32] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:55:32] [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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/232 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 187 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/232 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 197 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 393ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 336 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 9 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (547 resets) in 122 ms. (325 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1814103 steps, run timeout after 3001 ms. (steps per millisecond=604 ) properties seen :0 out of 1
Probabilistic random walk after 1814103 steps, saw 253170 distinct states, run finished after 3001 ms. (steps per millisecond=604 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:55:35] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:55:35] [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) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/220 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 231 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/220 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/402 variables, 8/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 42/445 variables, 3/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 39/484 variables, 39/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/484 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/484 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 277 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 517ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 301 ms.
Support contains 1 out of 271 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 271/271 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2024-05-31 18:55:36] [INFO ] Invariant cache hit.
[2024-05-31 18:55:36] [INFO ] Implicit Places using invariants in 159 ms returned []
[2024-05-31 18:55:36] [INFO ] Invariant cache hit.
[2024-05-31 18:55:37] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:55:37] [INFO ] Implicit Places using invariants and state equation in 302 ms returned []
Implicit Place search using SMT with State Equation took 464 ms to find 0 implicit places.
[2024-05-31 18:55:37] [INFO ] Redundant transitions in 1 ms returned []
Running 210 sub problems to find dead transitions.
[2024-05-31 18:55:37] [INFO ] Invariant cache hit.
[2024-05-31 18:55:37] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/270 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (OVERLAPS) 213/483 variables, 270/330 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/483 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (OVERLAPS) 1/484 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:55:43] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 1 ms to minimize.
[2024-05-31 18:55:43] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 0 ms to minimize.
[2024-05-31 18:55:43] [INFO ] Deduced a trap composed of 6 places in 35 ms of which 0 ms to minimize.
[2024-05-31 18:55:44] [INFO ] Deduced a trap composed of 10 places in 53 ms of which 0 ms to minimize.
[2024-05-31 18:55:44] [INFO ] Deduced a trap composed of 40 places in 27 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/484 variables, 5/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:55:46] [INFO ] Deduced a trap composed of 12 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:55:46] [INFO ] Deduced a trap composed of 9 places in 64 ms of which 1 ms to minimize.
[2024-05-31 18:55:46] [INFO ] Deduced a trap composed of 7 places in 59 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/484 variables, 3/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 12 (OVERLAPS) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 341 constraints, problems are : Problem set: 0 solved, 210 unsolved in 14610 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (OVERLAPS) 2/270 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (OVERLAPS) 213/483 variables, 270/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/483 variables, 210/550 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:56:02] [INFO ] Deduced a trap composed of 16 places in 68 ms of which 1 ms to minimize.
[2024-05-31 18:56:05] [INFO ] Deduced a trap composed of 7 places in 60 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/483 variables, 2/552 constraints. Problems are: Problem set: 0 solved, 210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 483/484 variables, and 552 constraints, problems are : Problem set: 0 solved, 210 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 270/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 10/10 constraints]
After SMT, in 44723ms problems are : Problem set: 0 solved, 210 unsolved
Search for dead transitions found 0 dead transitions in 44725ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45204 ms. Remains : 271/271 places, 213/213 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 271 transition count 213
Applied a total of 1 rules in 6 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:56:21] [INFO ] Computed 60 invariants in 3 ms
[2024-05-31 18:56:22] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:56:22] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2024-05-31 18:56:22] [INFO ] After 65ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:56:22] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:56:22] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2024-05-31 18:56:22] [INFO ] After 91ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:56:22] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 0 ms to minimize.
[2024-05-31 18:56:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 47 ms
TRAPS : Iteration 1
[2024-05-31 18:56:22] [INFO ] After 164ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:56:22] [INFO ] After 239ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 315 ms.
RANDOM walk for 40000 steps (542 resets) in 112 ms. (353 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (92 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1765730 steps, run timeout after 3001 ms. (steps per millisecond=588 ) properties seen :0 out of 1
Probabilistic random walk after 1765730 steps, saw 246539 distinct states, run finished after 3001 ms. (steps per millisecond=588 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:56:25] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:56:25] [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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/232 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 183 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/232 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 199 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 396ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 333 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 9 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (549 resets) in 117 ms. (338 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (85 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1776673 steps, run timeout after 3001 ms. (steps per millisecond=592 ) properties seen :0 out of 1
Probabilistic random walk after 1776673 steps, saw 247972 distinct states, run finished after 3001 ms. (steps per millisecond=592 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:56:29] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:56:29] [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) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/220 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:56:29] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/211 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 9/220 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 170/390 variables, 220/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/402 variables, 8/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/402 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/403 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/445 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/445 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 39/484 variables, 39/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/484 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 279 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 483ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 292 ms.
Support contains 1 out of 271 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 271/271 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 2 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2024-05-31 18:56:29] [INFO ] Invariant cache hit.
[2024-05-31 18:56:30] [INFO ] Implicit Places using invariants in 135 ms returned []
[2024-05-31 18:56:30] [INFO ] Invariant cache hit.
[2024-05-31 18:56:30] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:56:30] [INFO ] Implicit Places using invariants and state equation in 323 ms returned []
Implicit Place search using SMT with State Equation took 460 ms to find 0 implicit places.
[2024-05-31 18:56:30] [INFO ] Redundant transitions in 2 ms returned []
Running 210 sub problems to find dead transitions.
[2024-05-31 18:56:30] [INFO ] Invariant cache hit.
[2024-05-31 18:56:30] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/270 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (OVERLAPS) 213/483 variables, 270/330 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/483 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (OVERLAPS) 1/484 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:56:36] [INFO ] Deduced a trap composed of 6 places in 34 ms of which 0 ms to minimize.
[2024-05-31 18:56:36] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 0 ms to minimize.
[2024-05-31 18:56:37] [INFO ] Deduced a trap composed of 6 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:56:37] [INFO ] Deduced a trap composed of 10 places in 58 ms of which 1 ms to minimize.
[2024-05-31 18:56:37] [INFO ] Deduced a trap composed of 40 places in 31 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/484 variables, 5/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:56:39] [INFO ] Deduced a trap composed of 12 places in 54 ms of which 1 ms to minimize.
[2024-05-31 18:56:40] [INFO ] Deduced a trap composed of 9 places in 77 ms of which 2 ms to minimize.
[2024-05-31 18:56:40] [INFO ] Deduced a trap composed of 7 places in 61 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/484 variables, 3/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 12 (OVERLAPS) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 341 constraints, problems are : Problem set: 0 solved, 210 unsolved in 14970 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (OVERLAPS) 2/270 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (OVERLAPS) 213/483 variables, 270/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/483 variables, 210/550 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:56:56] [INFO ] Deduced a trap composed of 16 places in 66 ms of which 1 ms to minimize.
[2024-05-31 18:56:59] [INFO ] Deduced a trap composed of 7 places in 57 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/483 variables, 2/552 constraints. Problems are: Problem set: 0 solved, 210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 483/484 variables, and 552 constraints, problems are : Problem set: 0 solved, 210 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 270/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 10/10 constraints]
After SMT, in 45084ms problems are : Problem set: 0 solved, 210 unsolved
Search for dead transitions found 0 dead transitions in 45088ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45557 ms. Remains : 271/271 places, 213/213 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 271 transition count 213
Applied a total of 1 rules in 6 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:57:15] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:57:15] [INFO ] [Real]Absence check using 36 positive place invariants in 6 ms returned sat
[2024-05-31 18:57:15] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 16 ms returned sat
[2024-05-31 18:57:15] [INFO ] After 70ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:57:15] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:57:15] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2024-05-31 18:57:15] [INFO ] After 113ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:57:15] [INFO ] After 128ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:57:15] [INFO ] After 202ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 290 ms.
RANDOM walk for 40000 steps (558 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (94 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1808564 steps, run timeout after 3001 ms. (steps per millisecond=602 ) properties seen :0 out of 1
Probabilistic random walk after 1808564 steps, saw 252443 distinct states, run finished after 3001 ms. (steps per millisecond=602 ) properties seen :0
// Phase 1: matrix 214 rows 272 cols
[2024-05-31 18:57:18] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:57:18] [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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/232 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 40/486 variables, 40/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/486 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 486/486 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 186 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 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) 137/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/207 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/232 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/446 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/486 variables, 40/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/486 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 486/486 variables, and 335 constraints, problems are : Problem set: 0 solved, 1 unsolved in 203 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 398ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 287 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 214/214 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 272 transition count 214
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 213
Applied a total of 2 rules in 9 ms. Remains 271 /272 variables (removed 1) and now considering 213/214 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 271/272 places, 213/214 transitions.
RANDOM walk for 40000 steps (539 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (83 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1802344 steps, run timeout after 3001 ms. (steps per millisecond=600 ) properties seen :0 out of 1
Probabilistic random walk after 1802344 steps, saw 251563 distinct states, run finished after 3001 ms. (steps per millisecond=600 ) properties seen :0
// Phase 1: matrix 213 rows 271 cols
[2024-05-31 18:57:22] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:57:22] [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) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/220 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/402 variables, 8/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 3/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/403 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 42/445 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/445 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 39/484 variables, 39/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/484 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 333 constraints, problems are : Problem set: 0 solved, 1 unsolved in 233 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 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) 136/137 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/177 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/211 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/220 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 170/390 variables, 220/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/402 variables, 8/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/403 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/403 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/403 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 42/445 variables, 3/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/445 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/445 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 39/484 variables, 39/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/484 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/484 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 334 constraints, problems are : Problem set: 0 solved, 1 unsolved in 233 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 477ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 279 ms.
Support contains 1 out of 271 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 271/271 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 271 /271 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2024-05-31 18:57:23] [INFO ] Invariant cache hit.
[2024-05-31 18:57:23] [INFO ] Implicit Places using invariants in 134 ms returned []
[2024-05-31 18:57:23] [INFO ] Invariant cache hit.
[2024-05-31 18:57:23] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:57:23] [INFO ] Implicit Places using invariants and state equation in 306 ms returned []
Implicit Place search using SMT with State Equation took 441 ms to find 0 implicit places.
[2024-05-31 18:57:23] [INFO ] Redundant transitions in 1 ms returned []
Running 210 sub problems to find dead transitions.
[2024-05-31 18:57:23] [INFO ] Invariant cache hit.
[2024-05-31 18:57:23] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/270 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (OVERLAPS) 213/483 variables, 270/330 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/483 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (OVERLAPS) 1/484 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:57:29] [INFO ] Deduced a trap composed of 6 places in 29 ms of which 0 ms to minimize.
[2024-05-31 18:57:29] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 0 ms to minimize.
[2024-05-31 18:57:30] [INFO ] Deduced a trap composed of 6 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:57:30] [INFO ] Deduced a trap composed of 10 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:57:30] [INFO ] Deduced a trap composed of 40 places in 26 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/484 variables, 5/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:57:33] [INFO ] Deduced a trap composed of 12 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:57:33] [INFO ] Deduced a trap composed of 9 places in 66 ms of which 1 ms to minimize.
[2024-05-31 18:57:33] [INFO ] Deduced a trap composed of 7 places in 51 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/484 variables, 3/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 12 (OVERLAPS) 0/484 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 210 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 341 constraints, problems are : Problem set: 0 solved, 210 unsolved in 14634 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 271/271 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (OVERLAPS) 2/270 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 6 (OVERLAPS) 213/483 variables, 270/338 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/483 variables, 210/550 constraints. Problems are: Problem set: 0 solved, 210 unsolved
[2024-05-31 18:57:49] [INFO ] Deduced a trap composed of 16 places in 66 ms of which 1 ms to minimize.
[2024-05-31 18:57:52] [INFO ] Deduced a trap composed of 7 places in 63 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-40a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is DES-PT-40a, 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 r482-tall-171624202000447"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-40a.tgz
mv DES-PT-40a execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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