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.r100-tall-171624200900422.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)
................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is DES-PT-10b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-tall-171624200900422
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 524K
-rw-r--r-- 1 mcc users 7.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Apr 22 14:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 22 14:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K May 19 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 18:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K Apr 12 08:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 81K Apr 12 08:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 12 08:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K Apr 12 08:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Apr 22 14:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Apr 22 14:36 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 79K 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 1716365803204

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DES-PT-10b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-22 08:16:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-22 08:16:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 08:16:44] [INFO ] Load time of PNML (sax parser for PT used): 82 ms
[2024-05-22 08:16:44] [INFO ] Transformed 320 places.
[2024-05-22 08:16:44] [INFO ] Transformed 271 transitions.
[2024-05-22 08:16:44] [INFO ] Found NUPN structural information;
[2024-05-22 08:16:44] [INFO ] Parsed PT model containing 320 places and 271 transitions and 827 arcs in 180 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 320/320 places, 271/271 transitions.
Reduce places removed 3 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 0 with 26 rules applied. Total rules applied 26 place count 317 transition count 248
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 49 place count 294 transition count 248
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 49 place count 294 transition count 239
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 67 place count 285 transition count 239
Performed 91 Post agglomeration using F-continuation condition.Transition count delta: 91
Deduced a syphon composed of 91 places in 0 ms
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 2 with 182 rules applied. Total rules applied 249 place count 194 transition count 148
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -16
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 257 place count 190 transition count 164
Applied a total of 257 rules in 74 ms. Remains 190 /320 variables (removed 130) and now considering 164/271 (removed 107) transitions.
// Phase 1: matrix 164 rows 190 cols
[2024-05-22 08:16:44] [INFO ] Computed 62 invariants in 31 ms
[2024-05-22 08:16:45] [INFO ] Implicit Places using invariants in 401 ms returned [75]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 428 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 189/320 places, 164/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 189 /189 variables (removed 0) and now considering 164/164 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 523 ms. Remains : 189/320 places, 164/271 transitions.
Discarding 45 transitions out of 164. Remains 119
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (1386 resets) in 2319 ms. (17 steps per ms) remains 28/118 properties
BEST_FIRST walk for 4003 steps (17 resets) in 27 ms. (142 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (20 resets) in 39 ms. (100 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (19 resets) in 15 ms. (250 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (21 resets) in 26 ms. (148 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (18 resets) in 14 ms. (266 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (20 resets) in 27 ms. (143 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (19 resets) in 14 ms. (266 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (16 resets) in 19 ms. (200 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (17 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (15 resets) in 12 ms. (308 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (19 resets) in 15 ms. (250 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (19 resets) in 14 ms. (266 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (19 resets) in 16 ms. (235 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (18 resets) in 28 ms. (138 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (18 resets) in 13 ms. (286 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (18 resets) in 13 ms. (285 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (17 resets) in 16 ms. (235 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (17 resets) in 14 ms. (266 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (17 resets) in 14 ms. (266 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (17 resets) in 11 ms. (333 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (21 resets) in 12 ms. (308 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (16 resets) in 13 ms. (285 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (19 resets) in 13 ms. (286 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (18 resets) in 12 ms. (307 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (15 resets) in 11 ms. (333 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (15 resets) in 13 ms. (286 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (18 resets) in 21 ms. (181 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (17 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
// Phase 1: matrix 164 rows 189 cols
[2024-05-22 08:16:46] [INFO ] Computed 61 invariants in 11 ms
[2024-05-22 08:16:46] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 20/56 variables, 6/42 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 20/62 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (OVERLAPS) 74/130 variables, 26/88 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 74/162 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (OVERLAPS) 49/179 variables, 27/189 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/179 variables, 49/238 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/179 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 11 (OVERLAPS) 4/183 variables, 2/240 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/183 variables, 4/244 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/183 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 14 (OVERLAPS) 164/347 variables, 183/427 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/347 variables, 6/433 constraints. Problems are: Problem set: 0 solved, 28 unsolved
[2024-05-22 08:16:47] [INFO ] Deduced a trap composed of 12 places in 59 ms of which 8 ms to minimize.
[2024-05-22 08:16:47] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/347 variables, 2/435 constraints. Problems are: Problem set: 0 solved, 28 unsolved
[2024-05-22 08:16:47] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/347 variables, 1/436 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/347 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 19 (OVERLAPS) 6/353 variables, 6/442 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/353 variables, 6/448 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/353 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 22 (OVERLAPS) 0/353 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 353/353 variables, and 448 constraints, problems are : Problem set: 0 solved, 28 unsolved in 2951 ms.
Refiners :[Domain max(s): 189/189 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 189/189 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 20/56 variables, 6/42 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 20/62 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (OVERLAPS) 74/130 variables, 26/88 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 74/162 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (OVERLAPS) 49/179 variables, 27/189 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/179 variables, 49/238 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/179 variables, 3/241 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/179 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 12 (OVERLAPS) 4/183 variables, 2/243 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/183 variables, 4/247 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/183 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 15 (OVERLAPS) 164/347 variables, 183/430 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/347 variables, 6/436 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/347 variables, 10/446 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/347 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 19 (OVERLAPS) 6/353 variables, 6/452 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/353 variables, 6/458 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/353 variables, 18/476 constraints. Problems are: Problem set: 0 solved, 28 unsolved
[2024-05-22 08:16:52] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 1 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/353 variables, 1/477 constraints. Problems are: Problem set: 0 solved, 28 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 353/353 variables, and 477 constraints, problems are : Problem set: 0 solved, 28 unsolved in 5012 ms.
Refiners :[Domain max(s): 189/189 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 189/189 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 4/4 constraints]
After SMT, in 8024ms problems are : Problem set: 0 solved, 28 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 36 out of 189 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 189/189 places, 164/164 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 189 transition count 163
Discarding 17 places :
Symmetric choice reduction at 1 with 17 rule applications. Total rules 18 place count 172 transition count 126
Iterating global reduction 1 with 17 rules applied. Total rules applied 35 place count 172 transition count 126
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 45 place count 172 transition count 116
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 45 place count 172 transition count 113
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 51 place count 169 transition count 113
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 55 place count 165 transition count 109
Iterating global reduction 2 with 4 rules applied. Total rules applied 59 place count 165 transition count 109
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 63 place count 165 transition count 105
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 65 place count 164 transition count 105
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 66 place count 164 transition count 104
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 67 place count 163 transition count 104
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 68 place count 163 transition count 103
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 69 place count 162 transition count 103
Applied a total of 69 rules in 55 ms. Remains 162 /189 variables (removed 27) and now considering 103/164 (removed 61) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 162/189 places, 103/164 transitions.
RANDOM walk for 4000000 steps (183984 resets) in 19618 ms. (203 steps per ms) remains 24/28 properties
BEST_FIRST walk for 400003 steps (3802 resets) in 695 ms. (574 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (4504 resets) in 699 ms. (571 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (4451 resets) in 590 ms. (676 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (4444 resets) in 590 ms. (676 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (4455 resets) in 593 ms. (673 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (3571 resets) in 587 ms. (680 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (3578 resets) in 592 ms. (674 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (3595 resets) in 573 ms. (696 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (3552 resets) in 642 ms. (622 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (3580 resets) in 562 ms. (710 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (3793 resets) in 593 ms. (673 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400002 steps (3728 resets) in 598 ms. (667 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400002 steps (3816 resets) in 594 ms. (672 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (3766 resets) in 606 ms. (658 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (3832 resets) in 610 ms. (654 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (3778 resets) in 602 ms. (663 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (3854 resets) in 623 ms. (641 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (3769 resets) in 683 ms. (584 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400002 steps (3831 resets) in 611 ms. (653 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (3771 resets) in 615 ms. (649 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400001 steps (3829 resets) in 611 ms. (653 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400002 steps (3824 resets) in 617 ms. (647 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400002 steps (3753 resets) in 610 ms. (654 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (3869 resets) in 611 ms. (653 steps per ms) remains 24/24 properties
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:17:03] [INFO ] Computed 62 invariants in 2 ms
[2024-05-22 08:17:03] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 8/40 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 73/113 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 45/158 variables, 28/62 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 24 unsolved
[2024-05-22 08:17:04] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 24 unsolved
[2024-05-22 08:17:04] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 24 unsolved
[2024-05-22 08:17:05] [INFO ] Deduced a trap composed of 6 places in 33 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 24 unsolved in 1847 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 24 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 8/40 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 73/113 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 45/158 variables, 28/62 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 9/234 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/238 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 15/253 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/265 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 16 (OVERLAPS) 0/265 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 254 constraints, problems are : Problem set: 0 solved, 24 unsolved in 2495 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 3/3 constraints]
After SMT, in 4373ms problems are : Problem set: 0 solved, 24 unsolved
Parikh walk visited 0 properties in 2002 ms.
Support contains 32 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Applied a total of 0 rules in 6 ms. Remains 162 /162 variables (removed 0) and now considering 103/103 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 162/162 places, 103/103 transitions.
RANDOM walk for 4000000 steps (183666 resets) in 19830 ms. (201 steps per ms) remains 23/24 properties
BEST_FIRST walk for 400003 steps (3734 resets) in 710 ms. (562 steps per ms) remains 22/23 properties
BEST_FIRST walk for 400004 steps (4516 resets) in 694 ms. (575 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (4438 resets) in 694 ms. (575 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (4473 resets) in 689 ms. (579 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (4453 resets) in 670 ms. (596 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (3583 resets) in 627 ms. (636 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3501 resets) in 614 ms. (650 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3566 resets) in 614 ms. (650 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3568 resets) in 624 ms. (640 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3803 resets) in 655 ms. (609 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (3789 resets) in 670 ms. (596 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3849 resets) in 793 ms. (503 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3810 resets) in 670 ms. (596 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (3761 resets) in 670 ms. (596 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3804 resets) in 681 ms. (586 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3698 resets) in 664 ms. (601 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3870 resets) in 742 ms. (538 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3805 resets) in 664 ms. (601 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (3888 resets) in 671 ms. (595 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3805 resets) in 666 ms. (599 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (3823 resets) in 663 ms. (602 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3832 resets) in 812 ms. (492 steps per ms) remains 22/22 properties
Interrupted probabilistic random walk after 7294523 steps, run timeout after 33001 ms. (steps per millisecond=221 ) properties seen :0 out of 22
Probabilistic random walk after 7294523 steps, saw 937364 distinct states, run finished after 33013 ms. (steps per millisecond=220 ) properties seen :0
[2024-05-22 08:17:55] [INFO ] Invariant cache hit.
[2024-05-22 08:17:55] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 8/38 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 73/111 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 47/158 variables, 28/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:17:55] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 1 ms to minimize.
[2024-05-22 08:17:55] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 2/225 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:17:55] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 22 unsolved in 1417 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 8/38 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 73/111 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 47/158 variables, 28/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:17:56] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/224 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/240 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 13/253 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:17:57] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/265 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:17:58] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/265 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:17:58] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/265 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/265 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 19 (OVERLAPS) 0/265 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 256 constraints, problems are : Problem set: 0 solved, 22 unsolved in 3255 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 7/7 constraints]
After SMT, in 4684ms problems are : Problem set: 0 solved, 22 unsolved
Parikh walk visited 0 properties in 2000 ms.
Support contains 30 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Applied a total of 0 rules in 9 ms. Remains 162 /162 variables (removed 0) and now considering 103/103 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 162/162 places, 103/103 transitions.
RANDOM walk for 4000000 steps (183588 resets) in 20745 ms. (192 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3819 resets) in 637 ms. (626 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (4444 resets) in 635 ms. (628 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (4430 resets) in 643 ms. (621 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (4461 resets) in 646 ms. (618 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (4431 resets) in 646 ms. (618 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3553 resets) in 615 ms. (649 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3489 resets) in 615 ms. (649 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3561 resets) in 608 ms. (656 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3558 resets) in 613 ms. (651 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3797 resets) in 644 ms. (620 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3760 resets) in 641 ms. (623 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3784 resets) in 700 ms. (570 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (3878 resets) in 645 ms. (619 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3833 resets) in 645 ms. (619 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3867 resets) in 628 ms. (635 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3777 resets) in 636 ms. (627 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (3712 resets) in 651 ms. (613 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3818 resets) in 665 ms. (600 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3870 resets) in 633 ms. (630 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3821 resets) in 637 ms. (626 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3802 resets) in 629 ms. (634 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3897 resets) in 625 ms. (638 steps per ms) remains 22/22 properties
Interrupted probabilistic random walk after 6996212 steps, run timeout after 27001 ms. (steps per millisecond=259 ) properties seen :0 out of 22
Probabilistic random walk after 6996212 steps, saw 899234 distinct states, run finished after 27002 ms. (steps per millisecond=259 ) properties seen :0
[2024-05-22 08:18:38] [INFO ] Invariant cache hit.
[2024-05-22 08:18:38] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 8/38 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 73/111 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 47/158 variables, 28/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:18:39] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 1 ms to minimize.
[2024-05-22 08:18:39] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 2/225 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:18:39] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 22 unsolved in 1479 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 8/38 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 73/111 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 47/158 variables, 28/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:18:40] [INFO ] Deduced a trap composed of 11 places in 25 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/224 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/240 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 13/253 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:18:41] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/265 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:18:41] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/265 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:18:42] [INFO ] Deduced a trap composed of 9 places in 27 ms of which 0 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/265 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/265 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 19 (OVERLAPS) 0/265 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 256 constraints, problems are : Problem set: 0 solved, 22 unsolved in 3313 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 7/7 constraints]
After SMT, in 4815ms problems are : Problem set: 0 solved, 22 unsolved
Parikh walk visited 0 properties in 1174 ms.
Support contains 30 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Applied a total of 0 rules in 5 ms. Remains 162 /162 variables (removed 0) and now considering 103/103 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 162/162 places, 103/103 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Applied a total of 0 rules in 4 ms. Remains 162 /162 variables (removed 0) and now considering 103/103 (removed 0) transitions.
[2024-05-22 08:18:44] [INFO ] Invariant cache hit.
[2024-05-22 08:18:44] [INFO ] Implicit Places using invariants in 100 ms returned []
[2024-05-22 08:18:44] [INFO ] Invariant cache hit.
[2024-05-22 08:18:44] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-22 08:18:44] [INFO ] Implicit Places using invariants and state equation in 148 ms returned []
Implicit Place search using SMT with State Equation took 250 ms to find 0 implicit places.
[2024-05-22 08:18:44] [INFO ] Redundant transitions in 2 ms returned []
Running 102 sub problems to find dead transitions.
[2024-05-22 08:18:44] [INFO ] Invariant cache hit.
[2024-05-22 08:18:44] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 1/162 variables, 34/48 constraints. Problems are: Problem set: 0 solved, 102 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 103/265 variables, 162/224 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/265 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-22 08:18:45] [INFO ] Deduced a trap composed of 6 places in 21 ms of which 1 ms to minimize.
[2024-05-22 08:18:45] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 1 ms to minimize.
[2024-05-22 08:18:46] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 1 ms to minimize.
[2024-05-22 08:18:46] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/265 variables, 4/231 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 231 constraints, problems are : Problem set: 0 solved, 102 unsolved in 2781 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 1/162 variables, 34/48 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 4/66 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-22 08:18:48] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (OVERLAPS) 103/265 variables, 162/229 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/265 variables, 3/232 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/265 variables, 102/334 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-22 08:18:50] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/265 variables, 1/335 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-22 08:18:59] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/265 variables, 1/336 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 336 constraints, problems are : Problem set: 0 solved, 102 unsolved in 22957 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 7/7 constraints]
After SMT, in 25765ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 25767ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26033 ms. Remains : 162/162 places, 103/103 transitions.
RANDOM walk for 400000 steps (18327 resets) in 3182 ms. (125 steps per ms) remains 24/30 properties
Running SMT prover for 24 properties.
[2024-05-22 08:19:11] [INFO ] Invariant cache hit.
[2024-05-22 08:19:11] [INFO ] [Real]Absence check using 34 positive place invariants in 8 ms returned sat
[2024-05-22 08:19:11] [INFO ] [Real]Absence check using 34 positive and 28 generalized place invariants in 8 ms returned sat
[2024-05-22 08:19:11] [INFO ] After 57ms SMT Verify possible using state equation in real domain returned unsat :0 sat :24
[2024-05-22 08:19:11] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-22 08:19:11] [INFO ] After 30ms SMT Verify possible using 3 Read/Feed constraints in real domain returned unsat :0 sat :24
TRAPS : Iteration 0
[2024-05-22 08:19:11] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 0 ms to minimize.
TRAPS : Iteration 1
[2024-05-22 08:19:12] [INFO ] After 412ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:24
[2024-05-22 08:19:12] [INFO ] After 544ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:24
[2024-05-22 08:19:12] [INFO ] [Nat]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-22 08:19:12] [INFO ] [Nat]Absence check using 34 positive and 28 generalized place invariants in 8 ms returned sat
[2024-05-22 08:19:12] [INFO ] After 56ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :24
[2024-05-22 08:19:12] [INFO ] After 26ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :24
TRAPS : Iteration 0
[2024-05-22 08:19:12] [INFO ] After 260ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :24
[2024-05-22 08:19:12] [INFO ] After 419ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :24
RANDOM walk for 4000000 steps (183680 resets) in 26456 ms. (151 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3694 resets) in 1226 ms. (326 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (4481 resets) in 801 ms. (498 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (4479 resets) in 898 ms. (444 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (4453 resets) in 894 ms. (446 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (4480 resets) in 1169 ms. (341 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3629 resets) in 1161 ms. (344 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3521 resets) in 750 ms. (532 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3564 resets) in 753 ms. (530 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3515 resets) in 1094 ms. (365 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3845 resets) in 779 ms. (512 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3769 resets) in 995 ms. (401 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3731 resets) in 793 ms. (503 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3760 resets) in 1211 ms. (330 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3733 resets) in 878 ms. (455 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400001 steps (3750 resets) in 834 ms. (479 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3854 resets) in 1206 ms. (331 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3725 resets) in 886 ms. (450 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3890 resets) in 1116 ms. (358 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3873 resets) in 770 ms. (518 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3858 resets) in 809 ms. (493 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (3773 resets) in 939 ms. (425 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (3845 resets) in 817 ms. (489 steps per ms) remains 22/22 properties
Interrupted probabilistic random walk after 11010926 steps, run timeout after 45001 ms. (steps per millisecond=244 ) properties seen :0 out of 22
Probabilistic random walk after 11010926 steps, saw 1396861 distinct states, run finished after 45001 ms. (steps per millisecond=244 ) properties seen :0
[2024-05-22 08:20:12] [INFO ] Invariant cache hit.
[2024-05-22 08:20:12] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 8/38 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 73/111 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 47/158 variables, 28/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:20:13] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 1 ms to minimize.
[2024-05-22 08:20:13] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 2/225 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:20:13] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 22 unsolved in 1483 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 8/38 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 73/111 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 47/158 variables, 28/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:20:14] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/224 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/240 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 13/253 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:20:15] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/265 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:20:15] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/265 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2024-05-22 08:20:16] [INFO ] Deduced a trap composed of 9 places in 26 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/265 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/265 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 19 (OVERLAPS) 0/265 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 256 constraints, problems are : Problem set: 0 solved, 22 unsolved in 3434 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 7/7 constraints]
After SMT, in 4927ms problems are : Problem set: 0 solved, 22 unsolved
Parikh walk visited 0 properties in 2064 ms.
Support contains 30 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Applied a total of 0 rules in 5 ms. Remains 162 /162 variables (removed 0) and now considering 103/103 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 162/162 places, 103/103 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Applied a total of 0 rules in 4 ms. Remains 162 /162 variables (removed 0) and now considering 103/103 (removed 0) transitions.
[2024-05-22 08:20:19] [INFO ] Invariant cache hit.
[2024-05-22 08:20:19] [INFO ] Implicit Places using invariants in 82 ms returned []
[2024-05-22 08:20:19] [INFO ] Invariant cache hit.
[2024-05-22 08:20:19] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-22 08:20:19] [INFO ] Implicit Places using invariants and state equation in 136 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
[2024-05-22 08:20:19] [INFO ] Redundant transitions in 2 ms returned []
Running 102 sub problems to find dead transitions.
[2024-05-22 08:20:19] [INFO ] Invariant cache hit.
[2024-05-22 08:20:19] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 1/162 variables, 34/48 constraints. Problems are: Problem set: 0 solved, 102 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 103/265 variables, 162/224 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/265 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-22 08:20:20] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 1 ms to minimize.
[2024-05-22 08:20:21] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 1 ms to minimize.
[2024-05-22 08:20:21] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 1 ms to minimize.
[2024-05-22 08:20:21] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/265 variables, 4/231 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 231 constraints, problems are : Problem set: 0 solved, 102 unsolved in 2710 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 1/162 variables, 34/48 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 4/66 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-22 08:20:23] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (OVERLAPS) 103/265 variables, 162/229 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/265 variables, 3/232 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/265 variables, 102/334 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-22 08:20:25] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/265 variables, 1/335 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-22 08:20:34] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/265 variables, 1/336 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 336 constraints, problems are : Problem set: 0 solved, 102 unsolved in 22480 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 7/7 constraints]
After SMT, in 25219ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 25224ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25460 ms. Remains : 162/162 places, 103/103 transitions.
RANDOM walk for 400000 steps (18465 resets) in 1951 ms. (204 steps per ms) remains 24/30 properties
Running SMT prover for 24 properties.
[2024-05-22 08:20:45] [INFO ] Invariant cache hit.
[2024-05-22 08:20:45] [INFO ] [Real]Absence check using 34 positive place invariants in 5 ms returned sat
[2024-05-22 08:20:45] [INFO ] [Real]Absence check using 34 positive and 28 generalized place invariants in 8 ms returned sat
[2024-05-22 08:20:45] [INFO ] After 55ms SMT Verify possible using state equation in real domain returned unsat :0 sat :24
[2024-05-22 08:20:45] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-22 08:20:45] [INFO ] After 29ms SMT Verify possible using 3 Read/Feed constraints in real domain returned unsat :0 sat :24
TRAPS : Iteration 0
[2024-05-22 08:20:45] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 1 ms to minimize.
TRAPS : Iteration 1
[2024-05-22 08:20:46] [INFO ] After 409ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:24
[2024-05-22 08:20:46] [INFO ] After 527ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:24
[2024-05-22 08:20:46] [INFO ] [Nat]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-22 08:20:46] [INFO ] [Nat]Absence check using 34 positive and 28 generalized place invariants in 7 ms returned sat
[2024-05-22 08:20:46] [INFO ] After 58ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :24
[2024-05-22 08:20:46] [INFO ] After 28ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :24
TRAPS : Iteration 0
[2024-05-22 08:20:46] [INFO ] After 244ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :24
[2024-05-22 08:20:46] [INFO ] After 385ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :24
RANDOM walk for 40000 steps (1841 resets) in 117 ms. (338 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (376 resets) in 108 ms. (367 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1877037 steps, run timeout after 3001 ms. (steps per millisecond=625 ) properties seen :0 out of 1
Probabilistic random walk after 1877037 steps, saw 245249 distinct states, run finished after 3001 ms. (steps per millisecond=625 ) properties seen :0
[2024-05-22 08:20:49] [INFO ] Invariant cache hit.
[2024-05-22 08:20:49] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 109 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:20:49] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 1 ms to minimize.
[2024-05-22 08:20:50] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 2/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 1 unsolved in 207 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 321ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 119 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 161 transition count 102
Applied a total of 1 rules in 12 ms. Remains 161 /162 variables (removed 1) and now considering 102/103 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 161/162 places, 102/103 transitions.
RANDOM walk for 40000 steps (1885 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (386 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1807218 steps, run timeout after 3001 ms. (steps per millisecond=602 ) properties seen :0 out of 1
Probabilistic random walk after 1807218 steps, saw 236651 distinct states, run finished after 3002 ms. (steps per millisecond=602 ) properties seen :0
// Phase 1: matrix 102 rows 161 cols
[2024-05-22 08:20:53] [INFO ] Computed 62 invariants in 5 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 69/70 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/105 variables, 23/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/142 variables, 19/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/149 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/246 variables, 149/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 15/261 variables, 10/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 4/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/261 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/263 variables, 2/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/263 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/263 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 223 constraints, problems are : Problem set: 0 solved, 1 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 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) 69/70 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/105 variables, 23/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/142 variables, 19/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/149 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/246 variables, 149/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:20:53] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/246 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 15/261 variables, 10/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/261 variables, 4/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/263 variables, 2/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/263 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/263 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 263/263 variables, and 225 constraints, problems are : Problem set: 0 solved, 1 unsolved in 166 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 305ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 93 ms.
Support contains 1 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 5 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 161/161 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 5 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-22 08:20:53] [INFO ] Invariant cache hit.
[2024-05-22 08:20:53] [INFO ] Implicit Places using invariants in 98 ms returned []
[2024-05-22 08:20:53] [INFO ] Invariant cache hit.
[2024-05-22 08:20:53] [INFO ] Implicit Places using invariants and state equation in 149 ms returned [12]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 249 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 160/161 places, 102/102 transitions.
Applied a total of 0 rules in 4 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 258 ms. Remains : 160/161 places, 102/102 transitions.
RANDOM walk for 40000 steps (1884 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (363 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1852647 steps, run timeout after 3001 ms. (steps per millisecond=617 ) properties seen :0 out of 1
Probabilistic random walk after 1852647 steps, saw 242514 distinct states, run finished after 3001 ms. (steps per millisecond=617 ) properties seen :0
// Phase 1: matrix 102 rows 160 cols
[2024-05-22 08:20:56] [INFO ] Computed 61 invariants in 12 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 69/70 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/105 variables, 23/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 36/141 variables, 18/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/148 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/245 variables, 148/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/245 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 15/260 variables, 10/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/260 variables, 4/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/260 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/262 variables, 2/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/262 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/262 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 221 constraints, problems are : Problem set: 0 solved, 1 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 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) 69/70 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/105 variables, 23/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 36/141 variables, 18/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/148 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/245 variables, 148/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/245 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/245 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 15/260 variables, 10/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/260 variables, 4/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/260 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/262 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/262 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/262 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 222 constraints, problems are : Problem set: 0 solved, 1 unsolved in 119 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 251ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 100 ms.
Support contains 1 out of 160 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 102/102 transitions.
Applied a total of 0 rules in 4 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 160/160 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-22 08:20:57] [INFO ] Invariant cache hit.
[2024-05-22 08:20:57] [INFO ] Implicit Places using invariants in 96 ms returned []
[2024-05-22 08:20:57] [INFO ] Invariant cache hit.
[2024-05-22 08:20:57] [INFO ] Implicit Places using invariants and state equation in 161 ms returned []
Implicit Place search using SMT with State Equation took 258 ms to find 0 implicit places.
[2024-05-22 08:20:57] [INFO ] Redundant transitions in 1 ms returned []
Running 99 sub problems to find dead transitions.
[2024-05-22 08:20:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 3/160 variables, 10/61 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (OVERLAPS) 102/262 variables, 160/221 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-22 08:20:58] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 1 ms to minimize.
[2024-05-22 08:20:58] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 1 ms to minimize.
[2024-05-22 08:20:58] [INFO ] Deduced a trap composed of 16 places in 29 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 8 (OVERLAPS) 0/262 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 224 constraints, problems are : Problem set: 0 solved, 99 unsolved in 2573 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 99 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (OVERLAPS) 3/160 variables, 10/64 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/160 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 6 (OVERLAPS) 102/262 variables, 160/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 99/323 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-22 08:21:02] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/262 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-22 08:21:04] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/262 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/262 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 11 (OVERLAPS) 0/262 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 325 constraints, problems are : Problem set: 0 solved, 99 unsolved in 12904 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 5/5 constraints]
After SMT, in 15506ms problems are : Problem set: 0 solved, 99 unsolved
Search for dead transitions found 0 dead transitions in 15508ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15776 ms. Remains : 160/160 places, 102/102 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 11 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-05-22 08:21:13] [INFO ] Invariant cache hit.
[2024-05-22 08:21:13] [INFO ] [Real]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-22 08:21:13] [INFO ] [Real]Absence check using 34 positive and 27 generalized place invariants in 8 ms returned sat
[2024-05-22 08:21:13] [INFO ] After 53ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:21:13] [INFO ] [Nat]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-22 08:21:13] [INFO ] [Nat]Absence check using 34 positive and 27 generalized place invariants in 8 ms returned sat
[2024-05-22 08:21:13] [INFO ] After 44ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:21:13] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 0 ms to minimize.
[2024-05-22 08:21:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
TRAPS : Iteration 1
[2024-05-22 08:21:13] [INFO ] After 116ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:21:13] [INFO ] After 181ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 254 ms.
RANDOM walk for 40000 steps (1771 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (396 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1841400 steps, run timeout after 3001 ms. (steps per millisecond=613 ) properties seen :0 out of 1
Probabilistic random walk after 1841400 steps, saw 241113 distinct states, run finished after 3001 ms. (steps per millisecond=613 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:21:16] [INFO ] Computed 62 invariants in 6 ms
[2024-05-22 08:21:16] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 104 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 216ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 91 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 161 transition count 102
Applied a total of 1 rules in 7 ms. Remains 161 /162 variables (removed 1) and now considering 102/103 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 161/162 places, 102/103 transitions.
RANDOM walk for 40000 steps (1968 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (399 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1850778 steps, run timeout after 3001 ms. (steps per millisecond=616 ) properties seen :0 out of 1
Probabilistic random walk after 1850778 steps, saw 242268 distinct states, run finished after 3001 ms. (steps per millisecond=616 ) properties seen :0
// Phase 1: matrix 102 rows 161 cols
[2024-05-22 08:21:19] [INFO ] Computed 62 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 69/70 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/105 variables, 23/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/142 variables, 19/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/149 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/246 variables, 149/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 15/261 variables, 10/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 4/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/261 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/263 variables, 2/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/263 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/263 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 223 constraints, problems are : Problem set: 0 solved, 1 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 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) 69/70 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/105 variables, 23/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:21:19] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/105 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 37/142 variables, 19/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/142 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/149 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/149 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/246 variables, 149/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/246 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 15/261 variables, 10/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/261 variables, 4/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/263 variables, 2/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/263 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/263 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 263/263 variables, and 225 constraints, problems are : Problem set: 0 solved, 1 unsolved in 152 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 279ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 81 ms.
Support contains 1 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 161/161 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-22 08:21:20] [INFO ] Invariant cache hit.
[2024-05-22 08:21:20] [INFO ] Implicit Places using invariants in 98 ms returned []
[2024-05-22 08:21:20] [INFO ] Invariant cache hit.
[2024-05-22 08:21:20] [INFO ] Implicit Places using invariants and state equation in 152 ms returned []
Implicit Place search using SMT with State Equation took 251 ms to find 0 implicit places.
[2024-05-22 08:21:20] [INFO ] Redundant transitions in 2 ms returned []
Running 99 sub problems to find dead transitions.
[2024-05-22 08:21:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/158 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/158 variables, 25/59 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (OVERLAPS) 3/161 variables, 3/62 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (OVERLAPS) 102/263 variables, 161/223 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-22 08:21:21] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 1 ms to minimize.
[2024-05-22 08:21:21] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 1 ms to minimize.
[2024-05-22 08:21:21] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 3/226 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 8 (OVERLAPS) 0/263 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 226 constraints, problems are : Problem set: 0 solved, 99 unsolved in 3095 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 99 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/158 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/158 variables, 25/59 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/158 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (OVERLAPS) 3/161 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (OVERLAPS) 102/263 variables, 161/226 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 99/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-22 08:21:25] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/263 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-22 08:21:27] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 1 ms to minimize.
[2024-05-22 08:21:28] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
[2024-05-22 08:21:28] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 1 ms to minimize.
[2024-05-22 08:21:28] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 1 ms to minimize.
[2024-05-22 08:21:28] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 0 ms to minimize.
[2024-05-22 08:21:29] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/263 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/263 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 12 (OVERLAPS) 0/263 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Int declared 263/263 variables, and 332 constraints, problems are : Problem set: 0 solved, 99 unsolved in 15057 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 10/10 constraints]
After SMT, in 18169ms problems are : Problem set: 0 solved, 99 unsolved
Search for dead transitions found 0 dead transitions in 18170ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18431 ms. Remains : 161/161 places, 102/102 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 10 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-05-22 08:21:38] [INFO ] Invariant cache hit.
[2024-05-22 08:21:38] [INFO ] [Real]Absence check using 34 positive place invariants in 6 ms returned sat
[2024-05-22 08:21:38] [INFO ] [Real]Absence check using 34 positive and 28 generalized place invariants in 8 ms returned sat
[2024-05-22 08:21:38] [INFO ] After 39ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:21:38] [INFO ] After 48ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2024-05-22 08:21:38] [INFO ] After 102ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 116 ms.
RANDOM walk for 40000 steps (1825 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (380 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1848939 steps, run timeout after 3001 ms. (steps per millisecond=616 ) properties seen :0 out of 1
Probabilistic random walk after 1848939 steps, saw 242051 distinct states, run finished after 3001 ms. (steps per millisecond=616 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:21:41] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:21:41] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/65 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 128 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/65 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:21:42] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 182 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 318ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 53 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 161 transition count 102
Applied a total of 1 rules in 7 ms. Remains 161 /162 variables (removed 1) and now considering 102/103 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 161/162 places, 102/103 transitions.
RANDOM walk for 40000 steps (1963 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (388 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1964751 steps, run timeout after 3001 ms. (steps per millisecond=654 ) properties seen :0 out of 1
Probabilistic random walk after 1964751 steps, saw 256197 distinct states, run finished after 3002 ms. (steps per millisecond=654 ) properties seen :0
// Phase 1: matrix 102 rows 161 cols
[2024-05-22 08:21:45] [INFO ] Computed 62 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 43/107 variables, 21/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:21:45] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/107 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 33/140 variables, 23/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/140 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/149 variables, 9/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/149 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 97/246 variables, 149/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/246 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 15/261 variables, 10/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/261 variables, 4/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/261 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/263 variables, 2/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/263 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/263 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 224 constraints, problems are : Problem set: 0 solved, 1 unsolved in 153 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 43/107 variables, 21/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/107 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 33/140 variables, 23/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:21:45] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/140 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/140 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/149 variables, 9/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/149 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 97/246 variables, 149/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/246 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 15/261 variables, 10/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/261 variables, 4/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/263 variables, 2/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/263 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/263 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 263/263 variables, and 226 constraints, problems are : Problem set: 0 solved, 1 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 312ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 46 ms.
Support contains 1 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 161/161 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-22 08:21:45] [INFO ] Invariant cache hit.
[2024-05-22 08:21:45] [INFO ] Implicit Places using invariants in 89 ms returned []
[2024-05-22 08:21:45] [INFO ] Invariant cache hit.
[2024-05-22 08:21:45] [INFO ] Implicit Places using invariants and state equation in 145 ms returned [12]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 236 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 160/161 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 243 ms. Remains : 160/161 places, 102/102 transitions.
RANDOM walk for 40000 steps (1939 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (371 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1884427 steps, run timeout after 3001 ms. (steps per millisecond=627 ) properties seen :0 out of 1
Probabilistic random walk after 1884427 steps, saw 246198 distinct states, run finished after 3001 ms. (steps per millisecond=627 ) properties seen :0
// Phase 1: matrix 102 rows 160 cols
[2024-05-22 08:21:48] [INFO ] Computed 61 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 59/81 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 35/116 variables, 23/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 25/141 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/148 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/148 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/245 variables, 148/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/245 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 15/260 variables, 10/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/260 variables, 4/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/260 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/262 variables, 2/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/262 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/262 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 221 constraints, problems are : Problem set: 0 solved, 1 unsolved in 98 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 59/81 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 35/116 variables, 23/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 25/141 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/148 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/148 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/245 variables, 148/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/245 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 15/260 variables, 10/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/260 variables, 4/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/260 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/260 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/262 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/262 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/262 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 222 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 207ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 54 ms.
Support contains 1 out of 160 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 160/160 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 102/102 transitions.
Applied a total of 0 rules in 2 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-22 08:21:49] [INFO ] Invariant cache hit.
[2024-05-22 08:21:49] [INFO ] Implicit Places using invariants in 96 ms returned []
[2024-05-22 08:21:49] [INFO ] Invariant cache hit.
[2024-05-22 08:21:49] [INFO ] Implicit Places using invariants and state equation in 143 ms returned []
Implicit Place search using SMT with State Equation took 241 ms to find 0 implicit places.
[2024-05-22 08:21:49] [INFO ] Redundant transitions in 1 ms returned []
Running 99 sub problems to find dead transitions.
[2024-05-22 08:21:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 3/160 variables, 10/61 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (OVERLAPS) 102/262 variables, 160/221 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-22 08:21:50] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 0 ms to minimize.
[2024-05-22 08:21:50] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 0 ms to minimize.
[2024-05-22 08:21:50] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 8 (OVERLAPS) 0/262 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 224 constraints, problems are : Problem set: 0 solved, 99 unsolved in 2587 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 99 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (OVERLAPS) 3/160 variables, 10/64 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/160 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 6 (OVERLAPS) 102/262 variables, 160/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 99/323 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-22 08:21:54] [INFO ] Deduced a trap composed of 6 places in 27 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/262 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-22 08:21:56] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/262 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/262 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 11 (OVERLAPS) 0/262 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 325 constraints, problems are : Problem set: 0 solved, 99 unsolved in 12927 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 5/5 constraints]
After SMT, in 15531ms problems are : Problem set: 0 solved, 99 unsolved
Search for dead transitions found 0 dead transitions in 15532ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15780 ms. Remains : 160/160 places, 102/102 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 3 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-05-22 08:22:04] [INFO ] Invariant cache hit.
[2024-05-22 08:22:04] [INFO ] [Real]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-22 08:22:04] [INFO ] [Real]Absence check using 34 positive and 27 generalized place invariants in 16 ms returned sat
[2024-05-22 08:22:04] [INFO ] After 66ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:22:04] [INFO ] [Nat]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-22 08:22:04] [INFO ] [Nat]Absence check using 34 positive and 27 generalized place invariants in 7 ms returned sat
[2024-05-22 08:22:05] [INFO ] After 41ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:22:05] [INFO ] After 50ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:22:05] [INFO ] After 110ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 182 ms.
RANDOM walk for 40000 steps (1859 resets) in 98 ms. (404 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (386 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1876683 steps, run timeout after 3001 ms. (steps per millisecond=625 ) properties seen :0 out of 1
Probabilistic random walk after 1876683 steps, saw 245213 distinct states, run finished after 3001 ms. (steps per millisecond=625 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:22:08] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:22:08] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 223ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 82 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 161 transition count 102
Applied a total of 1 rules in 6 ms. Remains 161 /162 variables (removed 1) and now considering 102/103 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 161/162 places, 102/103 transitions.
RANDOM walk for 40000 steps (1917 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (373 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1953193 steps, run timeout after 3001 ms. (steps per millisecond=650 ) properties seen :0 out of 1
Probabilistic random walk after 1953193 steps, saw 254792 distinct states, run finished after 3001 ms. (steps per millisecond=650 ) properties seen :0
// Phase 1: matrix 102 rows 161 cols
[2024-05-22 08:22:11] [INFO ] Computed 62 invariants in 10 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 63/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/107 variables, 21/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/140 variables, 23/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/149 variables, 9/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/246 variables, 149/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 15/261 variables, 10/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 4/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/261 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/263 variables, 2/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/263 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/263 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 223 constraints, problems are : Problem set: 0 solved, 1 unsolved in 108 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 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) 63/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/107 variables, 21/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/140 variables, 23/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/149 variables, 9/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/246 variables, 149/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/246 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 15/261 variables, 10/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/261 variables, 4/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/261 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/263 variables, 2/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/263 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/263 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 263/263 variables, and 224 constraints, problems are : Problem set: 0 solved, 1 unsolved in 109 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 231ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 60 ms.
Support contains 1 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 161/161 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 2 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-22 08:22:11] [INFO ] Invariant cache hit.
[2024-05-22 08:22:11] [INFO ] Implicit Places using invariants in 91 ms returned []
[2024-05-22 08:22:11] [INFO ] Invariant cache hit.
[2024-05-22 08:22:11] [INFO ] Implicit Places using invariants and state equation in 140 ms returned [12]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 232 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 160/161 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 237 ms. Remains : 160/161 places, 102/102 transitions.
RANDOM walk for 40000 steps (1947 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (382 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1958048 steps, run timeout after 3001 ms. (steps per millisecond=652 ) properties seen :0 out of 1
Probabilistic random walk after 1958048 steps, saw 255391 distinct states, run finished after 3002 ms. (steps per millisecond=652 ) properties seen :0
// Phase 1: matrix 102 rows 160 cols
[2024-05-22 08:22:15] [INFO ] Computed 61 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 80/81 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/116 variables, 23/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/141 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/148 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/245 variables, 148/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/245 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 15/260 variables, 10/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/260 variables, 4/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/260 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/262 variables, 2/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/262 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/262 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 221 constraints, problems are : Problem set: 0 solved, 1 unsolved in 98 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 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) 80/81 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/116 variables, 23/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/141 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/148 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/245 variables, 148/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/245 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/245 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 15/260 variables, 10/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/260 variables, 4/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/260 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/262 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/262 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/262 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 222 constraints, problems are : Problem set: 0 solved, 1 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 222ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 70 ms.
Support contains 1 out of 160 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 160/160 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 102/102 transitions.
Applied a total of 0 rules in 2 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-22 08:22:15] [INFO ] Invariant cache hit.
[2024-05-22 08:22:15] [INFO ] Implicit Places using invariants in 91 ms returned []
[2024-05-22 08:22:15] [INFO ] Invariant cache hit.
[2024-05-22 08:22:15] [INFO ] Implicit Places using invariants and state equation in 135 ms returned []
Implicit Place search using SMT with State Equation took 227 ms to find 0 implicit places.
[2024-05-22 08:22:15] [INFO ] Redundant transitions in 4 ms returned []
Running 99 sub problems to find dead transitions.
[2024-05-22 08:22:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 3/160 variables, 10/61 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (OVERLAPS) 102/262 variables, 160/221 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-22 08:22:16] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 1 ms to minimize.
[2024-05-22 08:22:16] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 1 ms to minimize.
[2024-05-22 08:22:16] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 8 (OVERLAPS) 0/262 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 224 constraints, problems are : Problem set: 0 solved, 99 unsolved in 2523 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 99 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (OVERLAPS) 3/160 variables, 10/64 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/160 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 6 (OVERLAPS) 102/262 variables, 160/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 99/323 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-22 08:22:20] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/262 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-22 08:22:22] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/262 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/262 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 11 (OVERLAPS) 0/262 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 325 constraints, problems are : Problem set: 0 solved, 99 unsolved in 12741 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 5/5 constraints]
After SMT, in 15284ms problems are : Problem set: 0 solved, 99 unsolved
Search for dead transitions found 0 dead transitions in 15285ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15526 ms. Remains : 160/160 places, 102/102 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 8 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-05-22 08:22:30] [INFO ] Invariant cache hit.
[2024-05-22 08:22:30] [INFO ] [Real]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-22 08:22:30] [INFO ] [Real]Absence check using 34 positive and 27 generalized place invariants in 8 ms returned sat
[2024-05-22 08:22:30] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:22:30] [INFO ] [Nat]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-22 08:22:30] [INFO ] [Nat]Absence check using 34 positive and 27 generalized place invariants in 8 ms returned sat
[2024-05-22 08:22:31] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:22:31] [INFO ] Deduced a trap composed of 5 places in 20 ms of which 1 ms to minimize.
[2024-05-22 08:22:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
TRAPS : Iteration 1
[2024-05-22 08:22:31] [INFO ] After 92ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:22:31] [INFO ] After 143ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 209 ms.
RANDOM walk for 40000 steps (1837 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (381 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1970781 steps, run timeout after 3001 ms. (steps per millisecond=656 ) properties seen :0 out of 1
Probabilistic random walk after 1970781 steps, saw 256857 distinct states, run finished after 3002 ms. (steps per millisecond=656 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:22:34] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:22:34] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 123 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 110 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 241ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 55 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 11 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1927 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (381 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1961718 steps, run timeout after 3001 ms. (steps per millisecond=653 ) properties seen :0 out of 1
Probabilistic random walk after 1961718 steps, saw 255839 distinct states, run finished after 3001 ms. (steps per millisecond=653 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:22:37] [INFO ] Computed 59 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 131 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 251ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 44 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:22:37] [INFO ] Invariant cache hit.
[2024-05-22 08:22:37] [INFO ] Implicit Places using invariants in 103 ms returned []
[2024-05-22 08:22:37] [INFO ] Invariant cache hit.
[2024-05-22 08:22:38] [INFO ] Implicit Places using invariants and state equation in 139 ms returned []
Implicit Place search using SMT with State Equation took 245 ms to find 0 implicit places.
[2024-05-22 08:22:38] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:22:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:22:39] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 1 ms to minimize.
[2024-05-22 08:22:39] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 1 ms to minimize.
[2024-05-22 08:22:39] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:22:39] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:22:40] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 1 ms to minimize.
[2024-05-22 08:22:40] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:22:41] [INFO ] Deduced a trap composed of 5 places in 35 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:22:42] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:22:42] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6293 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:22:52] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 1 ms to minimize.
[2024-05-22 08:22:52] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17568 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23878ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23880ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24131 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 7 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:23:01] [INFO ] Computed 59 invariants in 2 ms
[2024-05-22 08:23:01] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:23:01] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 10 ms returned sat
[2024-05-22 08:23:01] [INFO ] After 50ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:23:02] [INFO ] [Nat]Absence check using 35 positive place invariants in 3 ms returned sat
[2024-05-22 08:23:02] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:23:02] [INFO ] After 36ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:23:02] [INFO ] Deduced a trap composed of 5 places in 24 ms of which 1 ms to minimize.
[2024-05-22 08:23:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 39 ms
TRAPS : Iteration 1
[2024-05-22 08:23:02] [INFO ] After 87ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:23:02] [INFO ] After 134ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 195 ms.
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1838 resets) in 212 ms. (187 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (386 resets) in 85 ms. (465 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1935625 steps, run timeout after 3001 ms. (steps per millisecond=644 ) properties seen :0 out of 1
Probabilistic random walk after 1935625 steps, saw 252527 distinct states, run finished after 3001 ms. (steps per millisecond=644 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:23:05] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:23:05] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 116 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 234ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 39 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 7 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1960 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (381 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1944008 steps, run timeout after 3001 ms. (steps per millisecond=647 ) properties seen :0 out of 1
Probabilistic random walk after 1944008 steps, saw 253600 distinct states, run finished after 3001 ms. (steps per millisecond=647 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:23:08] [INFO ] Computed 59 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 127 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 235ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 34 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 4 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 5 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:23:08] [INFO ] Invariant cache hit.
[2024-05-22 08:23:08] [INFO ] Implicit Places using invariants in 87 ms returned []
[2024-05-22 08:23:08] [INFO ] Invariant cache hit.
[2024-05-22 08:23:09] [INFO ] Implicit Places using invariants and state equation in 149 ms returned []
Implicit Place search using SMT with State Equation took 237 ms to find 0 implicit places.
[2024-05-22 08:23:09] [INFO ] Redundant transitions in 1 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:23:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:10] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 1 ms to minimize.
[2024-05-22 08:23:10] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 0 ms to minimize.
[2024-05-22 08:23:10] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:10] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:11] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 1 ms to minimize.
[2024-05-22 08:23:11] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:12] [INFO ] Deduced a trap composed of 5 places in 33 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:13] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:14] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6448 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:23] [INFO ] Deduced a trap composed of 10 places in 26 ms of which 0 ms to minimize.
[2024-05-22 08:23:23] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17444 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23907ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23908ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24156 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 3 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:23:32] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:23:33] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:23:33] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 9 ms returned sat
[2024-05-22 08:23:33] [INFO ] After 44ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:23:33] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:23:33] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 5 ms returned sat
[2024-05-22 08:23:33] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:23:33] [INFO ] After 47ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:23:33] [INFO ] After 97ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 148 ms.
RANDOM walk for 40000 steps (1863 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (355 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1976296 steps, run timeout after 3001 ms. (steps per millisecond=658 ) properties seen :0 out of 1
Probabilistic random walk after 1976296 steps, saw 257493 distinct states, run finished after 3001 ms. (steps per millisecond=658 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:23:36] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:23:36] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 249ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 42 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 7 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1908 resets) in 112 ms. (353 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (394 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1978379 steps, run timeout after 3001 ms. (steps per millisecond=659 ) properties seen :0 out of 1
Probabilistic random walk after 1978379 steps, saw 257738 distinct states, run finished after 3001 ms. (steps per millisecond=659 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:23:39] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 123 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 248ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 30 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:23:39] [INFO ] Invariant cache hit.
[2024-05-22 08:23:39] [INFO ] Implicit Places using invariants in 92 ms returned []
[2024-05-22 08:23:39] [INFO ] Invariant cache hit.
[2024-05-22 08:23:40] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 238 ms to find 0 implicit places.
[2024-05-22 08:23:40] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:23:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:41] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 0 ms to minimize.
[2024-05-22 08:23:41] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 1 ms to minimize.
[2024-05-22 08:23:41] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:41] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:42] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 1 ms to minimize.
[2024-05-22 08:23:42] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:43] [INFO ] Deduced a trap composed of 5 places in 40 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:44] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:44] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6483 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:23:54] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 1 ms to minimize.
[2024-05-22 08:23:54] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17582 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24083ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24085ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24329 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 16 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:24:04] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:24:04] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:24:04] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:24:04] [INFO ] After 55ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:24:04] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:24:04] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:24:04] [INFO ] After 34ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:24:04] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 1 ms to minimize.
[2024-05-22 08:24:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
TRAPS : Iteration 1
[2024-05-22 08:24:04] [INFO ] After 84ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:24:04] [INFO ] After 132ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 208 ms.
RANDOM walk for 40000 steps (1838 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (364 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1989559 steps, run timeout after 3001 ms. (steps per millisecond=662 ) properties seen :0 out of 1
Probabilistic random walk after 1989559 steps, saw 259051 distinct states, run finished after 3001 ms. (steps per millisecond=662 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:24:07] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:24:07] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 112 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 232ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 30 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 6 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1941 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (378 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2011918 steps, run timeout after 3001 ms. (steps per millisecond=670 ) properties seen :0 out of 1
Probabilistic random walk after 2011918 steps, saw 261683 distinct states, run finished after 3002 ms. (steps per millisecond=670 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:24:10] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 216ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 25 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:24:10] [INFO ] Invariant cache hit.
[2024-05-22 08:24:11] [INFO ] Implicit Places using invariants in 97 ms returned []
[2024-05-22 08:24:11] [INFO ] Invariant cache hit.
[2024-05-22 08:24:11] [INFO ] Implicit Places using invariants and state equation in 132 ms returned []
Implicit Place search using SMT with State Equation took 238 ms to find 0 implicit places.
[2024-05-22 08:24:11] [INFO ] Redundant transitions in 1 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:24:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:12] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 1 ms to minimize.
[2024-05-22 08:24:12] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 1 ms to minimize.
[2024-05-22 08:24:12] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:13] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:13] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 0 ms to minimize.
[2024-05-22 08:24:13] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:15] [INFO ] Deduced a trap composed of 5 places in 34 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:15] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:16] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6344 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:25] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 0 ms to minimize.
[2024-05-22 08:24:25] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17665 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24042ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24043ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24289 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 3 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:24:35] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:24:35] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:24:35] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:24:35] [INFO ] After 39ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:24:35] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:24:35] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:24:35] [INFO ] After 38ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:24:35] [INFO ] After 47ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:24:35] [INFO ] After 103ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 148 ms.
RANDOM walk for 40000 steps (1791 resets) in 117 ms. (338 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (374 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1956637 steps, run timeout after 3001 ms. (steps per millisecond=651 ) properties seen :0 out of 1
Probabilistic random walk after 1956637 steps, saw 255196 distinct states, run finished after 3001 ms. (steps per millisecond=651 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:24:38] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:24:38] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/65 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/65 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 108 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 221ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 7 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1918 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (372 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1973097 steps, run timeout after 3001 ms. (steps per millisecond=657 ) properties seen :0 out of 1
Probabilistic random walk after 1973097 steps, saw 257091 distinct states, run finished after 3001 ms. (steps per millisecond=657 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:24:41] [INFO ] Computed 59 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/15 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 13/28 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 15/43 variables, 8/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/43 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/43 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/45 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/45 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/49 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/49 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 46/95 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/95 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 40/135 variables, 20/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/135 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/167 variables, 22/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/167 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (OVERLAPS) 9/176 variables, 9/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/176 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 82/258 variables, 135/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/258 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 108 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/15 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 13/28 variables, 9/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/43 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/43 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/43 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/45 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 4/49 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/49 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/95 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/95 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 40/135 variables, 20/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/135 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 32/167 variables, 22/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/167 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 9/176 variables, 9/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/176 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 82/258 variables, 135/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/258 variables, 1/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 119 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 233ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:24:42] [INFO ] Invariant cache hit.
[2024-05-22 08:24:42] [INFO ] Implicit Places using invariants in 87 ms returned []
[2024-05-22 08:24:42] [INFO ] Invariant cache hit.
[2024-05-22 08:24:42] [INFO ] Implicit Places using invariants and state equation in 132 ms returned []
Implicit Place search using SMT with State Equation took 222 ms to find 0 implicit places.
[2024-05-22 08:24:42] [INFO ] Redundant transitions in 1 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:24:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:43] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 1 ms to minimize.
[2024-05-22 08:24:43] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 0 ms to minimize.
[2024-05-22 08:24:43] [INFO ] Deduced a trap composed of 16 places in 29 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:44] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:44] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 1 ms to minimize.
[2024-05-22 08:24:44] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:46] [INFO ] Deduced a trap composed of 5 places in 41 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:46] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:47] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6269 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:24:56] [INFO ] Deduced a trap composed of 10 places in 23 ms of which 1 ms to minimize.
[2024-05-22 08:24:56] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17667 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23951ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23952ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24181 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 9 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:25:06] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:25:06] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:25:06] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 5 ms returned sat
[2024-05-22 08:25:06] [INFO ] After 41ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:25:06] [INFO ] [Nat]Absence check using 35 positive place invariants in 3 ms returned sat
[2024-05-22 08:25:06] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 5 ms returned sat
[2024-05-22 08:25:06] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:25:06] [INFO ] After 48ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:25:06] [INFO ] After 94ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 148 ms.
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1834 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (385 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1955504 steps, run timeout after 3001 ms. (steps per millisecond=651 ) properties seen :0 out of 1
Probabilistic random walk after 1955504 steps, saw 255074 distinct states, run finished after 3001 ms. (steps per millisecond=651 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:25:09] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:25:09] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/65 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 129 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/65 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 252ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 6 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1938 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (390 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1947808 steps, run timeout after 3001 ms. (steps per millisecond=649 ) properties seen :0 out of 1
Probabilistic random walk after 1947808 steps, saw 254053 distinct states, run finished after 3001 ms. (steps per millisecond=649 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:25:12] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/15 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 13/28 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 15/43 variables, 8/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/43 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/43 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/45 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/45 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/49 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/49 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 46/95 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/95 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 40/135 variables, 20/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/135 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/167 variables, 22/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/167 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (OVERLAPS) 9/176 variables, 9/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/176 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 82/258 variables, 135/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/258 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 119 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/15 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 13/28 variables, 9/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/43 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/43 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/43 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/45 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 4/49 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/49 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/95 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/95 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 40/135 variables, 20/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/135 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 32/167 variables, 22/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/167 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 9/176 variables, 9/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/176 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 82/258 variables, 135/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/258 variables, 1/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 232ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 327 steps, including 6 resets, run visited all 1 properties in 4 ms. (steps per millisecond=81 )
Parikh walk visited 1 properties in 15 ms.
RANDOM walk for 40000 steps (1840 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (365 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1982788 steps, run timeout after 3001 ms. (steps per millisecond=660 ) properties seen :0 out of 1
Probabilistic random walk after 1982788 steps, saw 258215 distinct states, run finished after 3001 ms. (steps per millisecond=660 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:25:16] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:25:16] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/65 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 120 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/65 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 243ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 49 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 16 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1861 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (392 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1973545 steps, run timeout after 3001 ms. (steps per millisecond=657 ) properties seen :0 out of 1
Probabilistic random walk after 1973545 steps, saw 257163 distinct states, run finished after 3001 ms. (steps per millisecond=657 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:25:19] [INFO ] Computed 59 invariants in 5 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 13/16 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 12/28 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 15/43 variables, 8/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/43 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/43 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/45 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/45 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/49 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/49 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 46/95 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/95 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 40/135 variables, 20/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/135 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/167 variables, 22/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/167 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (OVERLAPS) 9/176 variables, 9/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/176 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 82/258 variables, 135/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/258 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 104 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 13/16 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/28 variables, 9/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/43 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/43 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/43 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/45 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 4/49 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/49 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/95 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/95 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 40/135 variables, 20/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/135 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 32/167 variables, 22/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/167 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 9/176 variables, 9/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/176 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 82/258 variables, 135/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/258 variables, 1/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 125 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 237ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 36 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:25:19] [INFO ] Invariant cache hit.
[2024-05-22 08:25:19] [INFO ] Implicit Places using invariants in 93 ms returned []
[2024-05-22 08:25:19] [INFO ] Invariant cache hit.
[2024-05-22 08:25:19] [INFO ] Implicit Places using invariants and state equation in 132 ms returned []
Implicit Place search using SMT with State Equation took 230 ms to find 0 implicit places.
[2024-05-22 08:25:19] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:25:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:25:20] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 0 ms to minimize.
[2024-05-22 08:25:21] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 0 ms to minimize.
[2024-05-22 08:25:21] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:25:21] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:25:22] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 1 ms to minimize.
[2024-05-22 08:25:22] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:25:23] [INFO ] Deduced a trap composed of 5 places in 47 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:25:24] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:25:24] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6255 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:25:34] [INFO ] Deduced a trap composed of 10 places in 24 ms of which 1 ms to minimize.
[2024-05-22 08:25:34] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17547 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23816ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23817ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24052 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 3 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:25:43] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:25:43] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:25:43] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 7 ms returned sat
[2024-05-22 08:25:43] [INFO ] After 55ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:25:43] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:25:43] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:25:43] [INFO ] After 41ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:25:43] [INFO ] After 55ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:25:43] [INFO ] After 100ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 162 ms.
RANDOM walk for 40000 steps (1867 resets) in 112 ms. (353 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (394 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1953843 steps, run timeout after 3001 ms. (steps per millisecond=651 ) properties seen :0 out of 1
Probabilistic random walk after 1953843 steps, saw 254874 distinct states, run finished after 3001 ms. (steps per millisecond=651 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:25:47] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:25:47] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/65 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/65 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 235ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 48 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 157 transition count 101
Applied a total of 2 rules in 4 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1922 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (393 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1978767 steps, run timeout after 3001 ms. (steps per millisecond=659 ) properties seen :0 out of 1
Probabilistic random walk after 1978767 steps, saw 257772 distinct states, run finished after 3001 ms. (steps per millisecond=659 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:25:50] [INFO ] Computed 59 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/15 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 13/28 variables, 10/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 15/43 variables, 8/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/43 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/43 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/45 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/45 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/49 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/49 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 46/95 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/95 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 40/135 variables, 20/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/135 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/167 variables, 22/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/167 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (OVERLAPS) 9/176 variables, 9/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/176 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 82/258 variables, 135/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/258 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/15 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 13/28 variables, 10/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/43 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/43 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/43 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/45 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 4/49 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/49 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/95 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/95 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 40/135 variables, 20/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/135 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 32/167 variables, 22/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/167 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 9/176 variables, 9/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/176 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 82/258 variables, 135/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/258 variables, 1/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 101 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 222ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 34 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:25:50] [INFO ] Invariant cache hit.
[2024-05-22 08:25:50] [INFO ] Implicit Places using invariants in 93 ms returned []
[2024-05-22 08:25:50] [INFO ] Invariant cache hit.
[2024-05-22 08:25:50] [INFO ] Implicit Places using invariants and state equation in 137 ms returned []
Implicit Place search using SMT with State Equation took 231 ms to find 0 implicit places.
[2024-05-22 08:25:50] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:25:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:25:51] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 1 ms to minimize.
[2024-05-22 08:25:52] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 2/217 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (OVERLAPS) 1/258 variables, 1/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:25:53] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 1 ms to minimize.
[2024-05-22 08:25:53] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 2 ms to minimize.
[2024-05-22 08:25:53] [INFO ] Deduced a trap composed of 27 places in 37 ms of which 1 ms to minimize.
[2024-05-22 08:25:53] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/258 variables, 4/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (OVERLAPS) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 222 constraints, problems are : Problem set: 0 solved, 98 unsolved in 4332 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 6/6 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 4/56 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/221 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/319 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:25:56] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/257 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (OVERLAPS) 1/258 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/258 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:06] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 0 ms to minimize.
[2024-05-22 08:26:07] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 1 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/258 variables, 2/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (OVERLAPS) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 323 constraints, problems are : Problem set: 0 solved, 98 unsolved in 20174 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
After SMT, in 24522ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24523ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24760 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 6 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-05-22 08:26:15] [INFO ] Invariant cache hit.
[2024-05-22 08:26:15] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:26:15] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 7 ms returned sat
[2024-05-22 08:26:15] [INFO ] After 92ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:26:15] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:26:15] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 5 ms returned sat
[2024-05-22 08:26:15] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:26:15] [INFO ] After 46ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:26:15] [INFO ] After 106ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 209 ms.
RANDOM walk for 40000 steps (1854 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (397 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1989194 steps, run timeout after 3001 ms. (steps per millisecond=662 ) properties seen :0 out of 1
Probabilistic random walk after 1989194 steps, saw 259005 distinct states, run finished after 3001 ms. (steps per millisecond=662 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:26:18] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:26:18] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:26:18] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:26:18] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 195 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:26:18] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 1 ms to minimize.
[2024-05-22 08:26:18] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 232 constraints, problems are : Problem set: 0 solved, 1 unsolved in 181 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 382ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 105 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 7 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1951 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (376 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1981701 steps, run timeout after 3001 ms. (steps per millisecond=660 ) properties seen :0 out of 1
Probabilistic random walk after 1981701 steps, saw 258077 distinct states, run finished after 3001 ms. (steps per millisecond=660 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:26:22] [INFO ] Computed 59 invariants in 5 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 212ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 79 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:26:22] [INFO ] Invariant cache hit.
[2024-05-22 08:26:22] [INFO ] Implicit Places using invariants in 92 ms returned []
[2024-05-22 08:26:22] [INFO ] Invariant cache hit.
[2024-05-22 08:26:22] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
[2024-05-22 08:26:22] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:26:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:23] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 1 ms to minimize.
[2024-05-22 08:26:23] [INFO ] Deduced a trap composed of 14 places in 43 ms of which 1 ms to minimize.
[2024-05-22 08:26:24] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:24] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:25] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
[2024-05-22 08:26:25] [INFO ] Deduced a trap composed of 18 places in 48 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:26] [INFO ] Deduced a trap composed of 5 places in 43 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:26] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:27] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6266 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:37] [INFO ] Deduced a trap composed of 10 places in 26 ms of which 1 ms to minimize.
[2024-05-22 08:26:37] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17238 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23519ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23520ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23745 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 3 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:26:46] [INFO ] Computed 59 invariants in 2 ms
[2024-05-22 08:26:46] [INFO ] [Real]Absence check using 35 positive place invariants in 3 ms returned sat
[2024-05-22 08:26:46] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 5 ms returned sat
[2024-05-22 08:26:46] [INFO ] After 41ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:26:46] [INFO ] [Nat]Absence check using 35 positive place invariants in 6 ms returned sat
[2024-05-22 08:26:46] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 7 ms returned sat
[2024-05-22 08:26:46] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:26:46] [INFO ] After 48ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:26:46] [INFO ] After 103ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 152 ms.
RANDOM walk for 5901 steps (269 resets) in 22 ms. (256 steps per ms) remains 0/1 properties
RANDOM walk for 255 steps (10 resets) in 6 ms. (36 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1849 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (369 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1998686 steps, run timeout after 3001 ms. (steps per millisecond=666 ) properties seen :0 out of 1
Probabilistic random walk after 1998686 steps, saw 260184 distinct states, run finished after 3001 ms. (steps per millisecond=666 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:26:49] [INFO ] Computed 62 invariants in 2 ms
[2024-05-22 08:26:49] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:26:49] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 1 ms to minimize.
[2024-05-22 08:26:49] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 187 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 1 unsolved in 123 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 315ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 85 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 6 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1906 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (383 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2010372 steps, run timeout after 3001 ms. (steps per millisecond=669 ) properties seen :0 out of 1
Probabilistic random walk after 2010372 steps, saw 261463 distinct states, run finished after 3001 ms. (steps per millisecond=669 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:26:52] [INFO ] Computed 59 invariants in 5 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:26:53] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 1/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 288ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 68 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:26:53] [INFO ] Invariant cache hit.
[2024-05-22 08:26:53] [INFO ] Implicit Places using invariants in 100 ms returned []
[2024-05-22 08:26:53] [INFO ] Invariant cache hit.
[2024-05-22 08:26:53] [INFO ] Implicit Places using invariants and state equation in 156 ms returned []
Implicit Place search using SMT with State Equation took 258 ms to find 0 implicit places.
[2024-05-22 08:26:53] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:26:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:54] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 0 ms to minimize.
[2024-05-22 08:26:54] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 0 ms to minimize.
[2024-05-22 08:26:54] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:55] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:56] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 1 ms to minimize.
[2024-05-22 08:26:56] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:57] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:57] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:26:58] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6382 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:27:07] [INFO ] Deduced a trap composed of 10 places in 21 ms of which 0 ms to minimize.
[2024-05-22 08:27:08] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17356 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23755ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23756ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24020 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 5 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:27:17] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:27:17] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:27:17] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:27:17] [INFO ] After 46ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:27:17] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:27:17] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 8 ms returned sat
[2024-05-22 08:27:17] [INFO ] After 37ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:27:17] [INFO ] After 44ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:27:17] [INFO ] After 97ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 153 ms.
RANDOM walk for 40000 steps (1854 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (367 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2000970 steps, run timeout after 3001 ms. (steps per millisecond=666 ) properties seen :0 out of 1
Probabilistic random walk after 2000970 steps, saw 260452 distinct states, run finished after 3001 ms. (steps per millisecond=666 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:27:20] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:27:20] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 104 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:27:20] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:27:20] [INFO ] Deduced a trap composed of 22 places in 32 ms of which 1 ms to minimize.
[2024-05-22 08:27:20] [INFO ] Deduced a trap composed of 22 places in 27 ms of which 0 ms to minimize.
[2024-05-22 08:27:20] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 3/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 232 constraints, problems are : Problem set: 0 solved, 1 unsolved in 304 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 419ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 82 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 5 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1912 resets) in 123 ms. (322 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (392 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1893890 steps, run timeout after 3001 ms. (steps per millisecond=631 ) properties seen :0 out of 1
Probabilistic random walk after 1893890 steps, saw 247346 distinct states, run finished after 3001 ms. (steps per millisecond=631 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:27:24] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 223ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 66 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:27:24] [INFO ] Invariant cache hit.
[2024-05-22 08:27:24] [INFO ] Implicit Places using invariants in 97 ms returned []
[2024-05-22 08:27:24] [INFO ] Invariant cache hit.
[2024-05-22 08:27:24] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 246 ms to find 0 implicit places.
[2024-05-22 08:27:24] [INFO ] Redundant transitions in 1 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:27:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:27:25] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 1 ms to minimize.
[2024-05-22 08:27:25] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 0 ms to minimize.
[2024-05-22 08:27:25] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:27:26] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:27:27] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 0 ms to minimize.
[2024-05-22 08:27:27] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:27:28] [INFO ] Deduced a trap composed of 5 places in 44 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:27:28] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:27:29] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6302 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:27:39] [INFO ] Deduced a trap composed of 10 places in 28 ms of which 1 ms to minimize.
[2024-05-22 08:27:39] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17548 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23866ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23868ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24130 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 7 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:27:48] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:27:48] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:27:48] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:27:48] [INFO ] After 56ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:27:48] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:27:48] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:27:48] [INFO ] After 43ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:27:48] [INFO ] After 53ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:27:48] [INFO ] After 101ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 174 ms.
RANDOM walk for 40000 steps (1830 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (371 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1939480 steps, run timeout after 3001 ms. (steps per millisecond=646 ) properties seen :0 out of 1
Probabilistic random walk after 1939480 steps, saw 253029 distinct states, run finished after 3001 ms. (steps per millisecond=646 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:27:51] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:27:51] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:27:51] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:27:51] [INFO ] Deduced a trap composed of 13 places in 23 ms of which 1 ms to minimize.
[2024-05-22 08:27:51] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 231 constraints, problems are : Problem set: 0 solved, 1 unsolved in 162 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 321ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 70 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 5 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1930 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (380 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1921391 steps, run timeout after 3001 ms. (steps per millisecond=640 ) properties seen :0 out of 1
Probabilistic random walk after 1921391 steps, saw 250639 distinct states, run finished after 3001 ms. (steps per millisecond=640 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:27:55] [INFO ] Computed 59 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 112 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:27:55] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/128 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/135 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 86/221 variables, 135/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/235 variables, 8/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 3/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/235 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 14/249 variables, 5/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/249 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 9/258 variables, 9/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 266ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 58 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:27:55] [INFO ] Invariant cache hit.
[2024-05-22 08:27:55] [INFO ] Implicit Places using invariants in 105 ms returned []
[2024-05-22 08:27:55] [INFO ] Invariant cache hit.
[2024-05-22 08:27:55] [INFO ] Implicit Places using invariants and state equation in 131 ms returned []
Implicit Place search using SMT with State Equation took 236 ms to find 0 implicit places.
[2024-05-22 08:27:55] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:27:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:27:56] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 1 ms to minimize.
[2024-05-22 08:27:56] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 1 ms to minimize.
[2024-05-22 08:27:56] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:27:57] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:27:58] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 1 ms to minimize.
[2024-05-22 08:27:58] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:27:59] [INFO ] Deduced a trap composed of 5 places in 39 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:28:00] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:28:00] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6480 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:28:10] [INFO ] Deduced a trap composed of 10 places in 24 ms of which 0 ms to minimize.
[2024-05-22 08:28:10] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17491 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23986ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23987ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24230 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 3 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:28:19] [INFO ] Computed 59 invariants in 2 ms
[2024-05-22 08:28:19] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:28:19] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:28:19] [INFO ] After 46ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:28:19] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:28:19] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-22 08:28:19] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:28:19] [INFO ] After 47ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:28:19] [INFO ] After 100ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 153 ms.
RANDOM walk for 40000 steps (1822 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (385 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1941052 steps, run timeout after 3001 ms. (steps per millisecond=646 ) properties seen :0 out of 1
Probabilistic random walk after 1941052 steps, saw 253228 distinct states, run finished after 3001 ms. (steps per millisecond=646 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:28:22] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:28:22] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:28:22] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 1 ms to minimize.
[2024-05-22 08:28:22] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 1 unsolved in 139 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 329ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 56 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 6 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1931 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (392 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1947242 steps, run timeout after 3001 ms. (steps per millisecond=648 ) properties seen :0 out of 1
Probabilistic random walk after 1947242 steps, saw 253994 distinct states, run finished after 3001 ms. (steps per millisecond=648 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:28:26] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:28:26] [INFO ] Deduced a trap composed of 13 places in 23 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/128 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/135 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 86/221 variables, 135/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/235 variables, 8/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 3/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/235 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 14/249 variables, 5/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/249 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 9/258 variables, 9/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:28:26] [INFO ] Deduced a trap composed of 5 places in 21 ms of which 0 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/258 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/258 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 219 constraints, problems are : Problem set: 0 solved, 1 unsolved in 206 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 310ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 51 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:28:26] [INFO ] Invariant cache hit.
[2024-05-22 08:28:26] [INFO ] Implicit Places using invariants in 107 ms returned []
[2024-05-22 08:28:26] [INFO ] Invariant cache hit.
[2024-05-22 08:28:26] [INFO ] Implicit Places using invariants and state equation in 128 ms returned []
Implicit Place search using SMT with State Equation took 236 ms to find 0 implicit places.
[2024-05-22 08:28:26] [INFO ] Redundant transitions in 1 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:28:26] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:28:27] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 0 ms to minimize.
[2024-05-22 08:28:28] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 1 ms to minimize.
[2024-05-22 08:28:28] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:28:28] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:28:29] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 1 ms to minimize.
[2024-05-22 08:28:29] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:28:30] [INFO ] Deduced a trap composed of 5 places in 38 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:28:31] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:28:31] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6222 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:28:41] [INFO ] Deduced a trap composed of 10 places in 17 ms of which 1 ms to minimize.
[2024-05-22 08:28:41] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17821 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24060ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24062ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24303 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 4 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:28:51] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:28:51] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:28:51] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:28:51] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:28:51] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:28:51] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 10 ms returned sat
[2024-05-22 08:28:51] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:28:51] [INFO ] After 47ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:28:51] [INFO ] After 98ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 154 ms.
RANDOM walk for 40000 steps (1839 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (388 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1886911 steps, run timeout after 3001 ms. (steps per millisecond=628 ) properties seen :0 out of 1
Probabilistic random walk after 1886911 steps, saw 246496 distinct states, run finished after 3001 ms. (steps per millisecond=628 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:28:54] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:28:54] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:28:54] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 1 ms to minimize.
[2024-05-22 08:28:54] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:28:54] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 231 constraints, problems are : Problem set: 0 solved, 1 unsolved in 249 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 369ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 45 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 4 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1912 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (372 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1939631 steps, run timeout after 3001 ms. (steps per millisecond=646 ) properties seen :0 out of 1
Probabilistic random walk after 1939631 steps, saw 253044 distinct states, run finished after 3002 ms. (steps per millisecond=646 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:28:57] [INFO ] Computed 59 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:28:57] [INFO ] Deduced a trap composed of 13 places in 20 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/128 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/135 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 86/221 variables, 135/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/235 variables, 8/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 3/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/235 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 14/249 variables, 5/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/249 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 9/258 variables, 9/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 143 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 251ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 36 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:28:57] [INFO ] Invariant cache hit.
[2024-05-22 08:28:58] [INFO ] Implicit Places using invariants in 92 ms returned []
[2024-05-22 08:28:58] [INFO ] Invariant cache hit.
[2024-05-22 08:28:58] [INFO ] Implicit Places using invariants and state equation in 131 ms returned []
Implicit Place search using SMT with State Equation took 225 ms to find 0 implicit places.
[2024-05-22 08:28:58] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:28:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:28:59] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 0 ms to minimize.
[2024-05-22 08:28:59] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 0 ms to minimize.
[2024-05-22 08:28:59] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:29:00] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:29:00] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 1 ms to minimize.
[2024-05-22 08:29:00] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:29:01] [INFO ] Deduced a trap composed of 5 places in 31 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:29:02] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:29:03] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6424 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:29:12] [INFO ] Deduced a trap composed of 10 places in 17 ms of which 1 ms to minimize.
[2024-05-22 08:29:12] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17331 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23772ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23773ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24003 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 6 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:29:21] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:29:22] [INFO ] [Real]Absence check using 35 positive place invariants in 5 ms returned sat
[2024-05-22 08:29:22] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:29:22] [INFO ] After 66ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:29:22] [INFO ] [Nat]Absence check using 35 positive place invariants in 6 ms returned sat
[2024-05-22 08:29:22] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 7 ms returned sat
[2024-05-22 08:29:22] [INFO ] After 62ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:29:22] [INFO ] After 70ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:29:22] [INFO ] After 134ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 215 ms.
RANDOM walk for 40000 steps (1888 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (390 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2006550 steps, run timeout after 3001 ms. (steps per millisecond=668 ) properties seen :0 out of 1
Probabilistic random walk after 2006550 steps, saw 261067 distinct states, run finished after 3001 ms. (steps per millisecond=668 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:29:25] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:29:25] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 109 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:29:25] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 1 ms to minimize.
[2024-05-22 08:29:25] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 1 unsolved in 160 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 286ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 32 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 6 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1927 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (365 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1989137 steps, run timeout after 3001 ms. (steps per millisecond=662 ) properties seen :0 out of 1
Probabilistic random walk after 1989137 steps, saw 259000 distinct states, run finished after 3001 ms. (steps per millisecond=662 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:29:28] [INFO ] Computed 59 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 119 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:29:28] [INFO ] Deduced a trap composed of 13 places in 21 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/128 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/135 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 86/221 variables, 135/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/235 variables, 8/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 3/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/235 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 14/249 variables, 5/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/249 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 9/258 variables, 9/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 143 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 272ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 29 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:29:28] [INFO ] Invariant cache hit.
[2024-05-22 08:29:29] [INFO ] Implicit Places using invariants in 88 ms returned []
[2024-05-22 08:29:29] [INFO ] Invariant cache hit.
[2024-05-22 08:29:29] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 222 ms to find 0 implicit places.
[2024-05-22 08:29:29] [INFO ] Redundant transitions in 1 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:29:29] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:29:30] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 0 ms to minimize.
[2024-05-22 08:29:30] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 2 ms to minimize.
[2024-05-22 08:29:30] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:29:30] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:29:31] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 1 ms to minimize.
[2024-05-22 08:29:31] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:29:32] [INFO ] Deduced a trap composed of 5 places in 41 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:29:33] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:29:33] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6255 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:29:43] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 1 ms to minimize.
[2024-05-22 08:29:43] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17490 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23764ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23766ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23993 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 7 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:29:52] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:29:52] [INFO ] [Real]Absence check using 35 positive place invariants in 5 ms returned sat
[2024-05-22 08:29:52] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:29:52] [INFO ] After 44ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:29:53] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:29:53] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:29:53] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:29:53] [INFO ] After 47ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:29:53] [INFO ] After 94ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 149 ms.
RANDOM walk for 40000 steps (1831 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (381 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1961283 steps, run timeout after 3001 ms. (steps per millisecond=653 ) properties seen :0 out of 1
Probabilistic random walk after 1961283 steps, saw 255788 distinct states, run finished after 3001 ms. (steps per millisecond=653 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:29:56] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:29:56] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:29:56] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 0 ms to minimize.
[2024-05-22 08:29:56] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 184 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 1 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 300ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 27 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 4 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1924 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (380 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1952984 steps, run timeout after 3001 ms. (steps per millisecond=650 ) properties seen :0 out of 1
Probabilistic random walk after 1952984 steps, saw 254770 distinct states, run finished after 3001 ms. (steps per millisecond=650 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:29:59] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:29:59] [INFO ] Deduced a trap composed of 13 places in 18 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/128 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/135 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 86/221 variables, 135/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/235 variables, 8/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 3/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/235 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 14/249 variables, 5/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/249 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 9/258 variables, 9/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 137 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 262ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:29:59] [INFO ] Invariant cache hit.
[2024-05-22 08:29:59] [INFO ] Implicit Places using invariants in 112 ms returned []
[2024-05-22 08:29:59] [INFO ] Invariant cache hit.
[2024-05-22 08:30:00] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 246 ms to find 0 implicit places.
[2024-05-22 08:30:00] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:30:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:01] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 1 ms to minimize.
[2024-05-22 08:30:01] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 0 ms to minimize.
[2024-05-22 08:30:01] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:01] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:02] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 1 ms to minimize.
[2024-05-22 08:30:02] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:03] [INFO ] Deduced a trap composed of 5 places in 35 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:04] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:04] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6201 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:14] [INFO ] Deduced a trap composed of 10 places in 17 ms of which 1 ms to minimize.
[2024-05-22 08:30:14] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17146 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23364ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23365ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23625 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 8 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:30:23] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:30:23] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:30:23] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:30:23] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:30:23] [INFO ] [Nat]Absence check using 35 positive place invariants in 5 ms returned sat
[2024-05-22 08:30:23] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:30:23] [INFO ] After 37ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:30:23] [INFO ] After 45ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:30:23] [INFO ] After 92ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 147 ms.
RANDOM walk for 40000 steps (1840 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (379 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1997511 steps, run timeout after 3001 ms. (steps per millisecond=665 ) properties seen :0 out of 1
Probabilistic random walk after 1997511 steps, saw 260013 distinct states, run finished after 3001 ms. (steps per millisecond=665 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:30:26] [INFO ] Computed 62 invariants in 2 ms
[2024-05-22 08:30:26] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 211ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 79 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 14 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1924 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (380 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2011497 steps, run timeout after 3001 ms. (steps per millisecond=670 ) properties seen :0 out of 1
Probabilistic random walk after 2011497 steps, saw 261626 distinct states, run finished after 3001 ms. (steps per millisecond=670 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:30:29] [INFO ] Computed 59 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 93 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 209ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 76 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:30:30] [INFO ] Invariant cache hit.
[2024-05-22 08:30:30] [INFO ] Implicit Places using invariants in 94 ms returned []
[2024-05-22 08:30:30] [INFO ] Invariant cache hit.
[2024-05-22 08:30:30] [INFO ] Implicit Places using invariants and state equation in 135 ms returned []
Implicit Place search using SMT with State Equation took 231 ms to find 0 implicit places.
[2024-05-22 08:30:30] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:30:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:31] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 1 ms to minimize.
[2024-05-22 08:30:31] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 1 ms to minimize.
[2024-05-22 08:30:31] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:32] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:33] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 1 ms to minimize.
[2024-05-22 08:30:33] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:34] [INFO ] Deduced a trap composed of 5 places in 38 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:34] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:35] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6348 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:30:44] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 1 ms to minimize.
[2024-05-22 08:30:44] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17168 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23537ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23538ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23774 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 6 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:30:54] [INFO ] Computed 59 invariants in 2 ms
[2024-05-22 08:30:54] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:30:54] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:30:54] [INFO ] After 41ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:30:54] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:30:54] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:30:54] [INFO ] After 42ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:30:54] [INFO ] Deduced a trap composed of 5 places in 26 ms of which 0 ms to minimize.
[2024-05-22 08:30:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
TRAPS : Iteration 1
[2024-05-22 08:30:54] [INFO ] After 89ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:30:54] [INFO ] After 144ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 197 ms.
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1895 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (376 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1967730 steps, run timeout after 3001 ms. (steps per millisecond=655 ) properties seen :0 out of 1
Probabilistic random walk after 1967730 steps, saw 256521 distinct states, run finished after 3001 ms. (steps per millisecond=655 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:30:57] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:30:57] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 211ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 71 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 4 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1932 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (398 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1991964 steps, run timeout after 3001 ms. (steps per millisecond=663 ) properties seen :0 out of 1
Probabilistic random walk after 1991964 steps, saw 259357 distinct states, run finished after 3001 ms. (steps per millisecond=663 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:31:00] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:31:00] [INFO ] Deduced a trap composed of 5 places in 24 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 1/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 132 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 252ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 65 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:31:00] [INFO ] Invariant cache hit.
[2024-05-22 08:31:01] [INFO ] Implicit Places using invariants in 87 ms returned []
[2024-05-22 08:31:01] [INFO ] Invariant cache hit.
[2024-05-22 08:31:01] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 217 ms to find 0 implicit places.
[2024-05-22 08:31:01] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:31:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:02] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 1 ms to minimize.
[2024-05-22 08:31:02] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 1 ms to minimize.
[2024-05-22 08:31:02] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:02] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:03] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 1 ms to minimize.
[2024-05-22 08:31:03] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:04] [INFO ] Deduced a trap composed of 5 places in 37 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:05] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:05] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6243 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:15] [INFO ] Deduced a trap composed of 10 places in 23 ms of which 1 ms to minimize.
[2024-05-22 08:31:15] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17194 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23457ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23458ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23681 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 7 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:31:24] [INFO ] Computed 59 invariants in 2 ms
[2024-05-22 08:31:24] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:31:24] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:31:24] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:31:24] [INFO ] [Nat]Absence check using 35 positive place invariants in 3 ms returned sat
[2024-05-22 08:31:24] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 5 ms returned sat
[2024-05-22 08:31:24] [INFO ] After 37ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:31:24] [INFO ] After 50ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:31:24] [INFO ] After 97ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 154 ms.
RANDOM walk for 40000 steps (1856 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (379 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1994498 steps, run timeout after 3001 ms. (steps per millisecond=664 ) properties seen :0 out of 1
Probabilistic random walk after 1994498 steps, saw 259664 distinct states, run finished after 3001 ms. (steps per millisecond=664 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:31:27] [INFO ] Computed 62 invariants in 3 ms
[2024-05-22 08:31:27] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:31:28] [INFO ] Deduced a trap composed of 14 places in 26 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 132 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 263ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 65 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 5 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1906 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (386 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2004582 steps, run timeout after 3001 ms. (steps per millisecond=667 ) properties seen :0 out of 1
Probabilistic random walk after 2004582 steps, saw 260842 distinct states, run finished after 3001 ms. (steps per millisecond=667 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:31:31] [INFO ] Computed 59 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 109 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 246ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 49 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:31:31] [INFO ] Invariant cache hit.
[2024-05-22 08:31:31] [INFO ] Implicit Places using invariants in 90 ms returned []
[2024-05-22 08:31:31] [INFO ] Invariant cache hit.
[2024-05-22 08:31:31] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
[2024-05-22 08:31:31] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:31:31] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:32] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 1 ms to minimize.
[2024-05-22 08:31:33] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 1 ms to minimize.
[2024-05-22 08:31:33] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:33] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:34] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 1 ms to minimize.
[2024-05-22 08:31:34] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:35] [INFO ] Deduced a trap composed of 5 places in 39 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:35] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:36] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6268 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:31:46] [INFO ] Deduced a trap composed of 10 places in 28 ms of which 1 ms to minimize.
[2024-05-22 08:31:46] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17387 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23669ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23671ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23895 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 8 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:31:55] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:31:55] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:31:55] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 5 ms returned sat
[2024-05-22 08:31:55] [INFO ] After 44ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:31:55] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:31:55] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:31:55] [INFO ] After 37ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:31:55] [INFO ] After 47ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:31:55] [INFO ] After 93ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 150 ms.
RANDOM walk for 40000 steps (1843 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (379 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1973584 steps, run timeout after 3001 ms. (steps per millisecond=657 ) properties seen :0 out of 1
Probabilistic random walk after 1973584 steps, saw 257168 distinct states, run finished after 3001 ms. (steps per millisecond=657 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:31:58] [INFO ] Computed 62 invariants in 2 ms
[2024-05-22 08:31:58] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:31:58] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 140 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 256ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 46 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 4 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1921 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (382 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2008898 steps, run timeout after 3001 ms. (steps per millisecond=669 ) properties seen :0 out of 1
Probabilistic random walk after 2008898 steps, saw 261313 distinct states, run finished after 3001 ms. (steps per millisecond=669 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:32:01] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:32:02] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/128 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/135 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 86/221 variables, 135/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/235 variables, 8/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 3/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/235 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 14/249 variables, 5/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/249 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 9/258 variables, 9/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 139 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 244ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 43 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:32:02] [INFO ] Invariant cache hit.
[2024-05-22 08:32:02] [INFO ] Implicit Places using invariants in 89 ms returned []
[2024-05-22 08:32:02] [INFO ] Invariant cache hit.
[2024-05-22 08:32:02] [INFO ] Implicit Places using invariants and state equation in 126 ms returned []
Implicit Place search using SMT with State Equation took 216 ms to find 0 implicit places.
[2024-05-22 08:32:02] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:32:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:03] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 0 ms to minimize.
[2024-05-22 08:32:03] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 1 ms to minimize.
[2024-05-22 08:32:03] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:04] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:05] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 1 ms to minimize.
[2024-05-22 08:32:05] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:06] [INFO ] Deduced a trap composed of 5 places in 37 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:06] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:07] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6284 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:16] [INFO ] Deduced a trap composed of 10 places in 26 ms of which 1 ms to minimize.
[2024-05-22 08:32:16] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17105 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23414ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23415ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23641 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 7 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:32:25] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:32:25] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:32:25] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:32:25] [INFO ] After 41ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:32:26] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:32:26] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 5 ms returned sat
[2024-05-22 08:32:26] [INFO ] After 37ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:32:26] [INFO ] After 45ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:32:26] [INFO ] After 96ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 150 ms.
RANDOM walk for 40000 steps (1859 resets) in 99 ms. (400 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (379 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1982494 steps, run timeout after 3001 ms. (steps per millisecond=660 ) properties seen :0 out of 1
Probabilistic random walk after 1982494 steps, saw 258183 distinct states, run finished after 3001 ms. (steps per millisecond=660 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:32:29] [INFO ] Computed 62 invariants in 4 ms
[2024-05-22 08:32:29] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 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) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:32:29] [INFO ] Deduced a trap composed of 11 places in 22 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 138 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 257ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 37 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 5 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1904 resets) in 99 ms. (400 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (369 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1983699 steps, run timeout after 3001 ms. (steps per millisecond=661 ) properties seen :0 out of 1
Probabilistic random walk after 1983699 steps, saw 258309 distinct states, run finished after 3001 ms. (steps per millisecond=661 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:32:32] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 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) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 08:32:32] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 1/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 243ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 38 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-22 08:32:32] [INFO ] Invariant cache hit.
[2024-05-22 08:32:32] [INFO ] Implicit Places using invariants in 92 ms returned []
[2024-05-22 08:32:32] [INFO ] Invariant cache hit.
[2024-05-22 08:32:32] [INFO ] Implicit Places using invariants and state equation in 131 ms returned []
Implicit Place search using SMT with State Equation took 223 ms to find 0 implicit places.
[2024-05-22 08:32:32] [INFO ] Redundant transitions in 1 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-22 08:32:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:34] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 1 ms to minimize.
[2024-05-22 08:32:34] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 0 ms to minimize.
[2024-05-22 08:32:34] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:34] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:35] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 1 ms to minimize.
[2024-05-22 08:32:35] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:36] [INFO ] Deduced a trap composed of 5 places in 42 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:37] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:37] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6320 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-22 08:32:47] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 1 ms to minimize.
[2024-05-22 08:32:47] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17266 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23607ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23610ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23841 ms. Remains : 157/157 places, 101/101 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 157 transition count 101
Applied a total of 1 rules in 8 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-22 08:32:56] [INFO ] Computed 59 invariants in 1 ms
[2024-05-22 08:32:56] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:32:56] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:32:56] [INFO ] After 50ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 08:32:56] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-22 08:32:56] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-22 08:32:56] [INFO ] After 40ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 08:32:56] [INFO ] After 54ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 08:32:56] [INFO ] After 109ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 171 ms.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 3 ms. Remains 162 /162 variables (removed 0) and now considering 103/103 (removed 0) transitions.
Running SMT prover for 22 properties.
// Phase 1: matrix 103 rows 162 cols
[2024-05-22 08:32:56] [INFO ] Computed 62 invariants in 2 ms
[2024-05-22 08:32:56] [INFO ] [Real]Absence check using 34 positive place invariants in 5 ms returned sat
[2024-05-22 08:32:56] [INFO ] [Real]Absence check using 34 positive and 28 generalized place invariants in 8 ms returned sat
[2024-05-22 08:32:56] [INFO ] After 172ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:22
[2024-05-22 08:32:57] [INFO ] [Nat]Absence check using 34 positive place invariants in 5 ms returned sat
[2024-05-22 08:32:57] [INFO ] [Nat]Absence check using 34 positive and 28 generalized place invariants in 8 ms returned sat
[2024-05-22 08:32:57] [INFO ] After 250ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :22
TRAPS : Iteration 0
[2024-05-22 08:32:57] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 1 ms to minimize.
[2024-05-22 08:32:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
TRAPS : Iteration 1
[2024-05-22 08:32:57] [INFO ] After 894ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :22
[2024-05-22 08:32:58] [INFO ] After 1281ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :22
Over-approximation ignoring read arcs solved 0 properties in 1473 ms.
Unable to solve all queries for examination QuasiLiveness. Remains :22 assertions to prove.
No /home/mcc/execution/QuasiLiveness.xml examination file found. Proceeding without properties.
Parsed 22 properties from file /home/mcc/execution/QuasiLiveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 973963 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running DES-PT-10b

IS_COLORED=
IS_NUPN=1

LOADING model.pnml ...
MODEL CLASS: P/T NET WITH NUPN EXTENSION
PLACES: 320
TRANSITIONS: 271
CONSTANTS: 0
TEMPLATE VARS: 0
ARCS: 827
NUPN UNITS: 107
LOADING TIME: 0.339

SAVING AS /home/mcc/execution/model.(net/def) ...
exportGspn useExt=true
SAVING TIME: 0.024
SAVING NAME MAP FILE /home/mcc/execution/model.id2name ...
SAVING NUPN UNITS AS FILE /home/mcc/execution/model.nu ...
TOTAL TIME: 0.569
OK.
----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

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

Process ID: 2606
MODEL NAME: /home/mcc/execution/model
320 places, 271 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA QuasiLiveness TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716366845121

--------------------
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-10b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is DES-PT-10b, 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 r100-tall-171624200900422"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-10b.tgz
mv DES-PT-10b 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 ;