Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r482-tall-171624201900437.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DES-PT-30a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r482-tall-171624201900437
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 6.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K 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 3.3K Apr 22 14:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 22 14:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 22 14:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 12 08:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K Apr 12 08:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Apr 12 08:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Apr 12 08:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Apr 22 14:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Apr 22 14:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 70K 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 1717179970139

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DES-PT-30a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 18:26:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-31 18:26:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 18:26:11] [INFO ] Load time of PNML (sax parser for PT used): 76 ms
[2024-05-31 18:26:11] [INFO ] Transformed 234 places.
[2024-05-31 18:26:11] [INFO ] Transformed 191 transitions.
[2024-05-31 18:26:11] [INFO ] Found NUPN structural information;
[2024-05-31 18:26:11] [INFO ] Parsed PT model containing 234 places and 191 transitions and 926 arcs in 177 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 234/234 places, 191/191 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 234 transition count 177
Applied a total of 14 rules in 29 ms. Remains 234 /234 variables (removed 0) and now considering 177/191 (removed 14) transitions.
// Phase 1: matrix 177 rows 234 cols
[2024-05-31 18:26:11] [INFO ] Computed 59 invariants in 18 ms
[2024-05-31 18:26:11] [INFO ] Implicit Places using invariants in 398 ms returned [131]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 426 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 233/234 places, 177/191 transitions.
Applied a total of 0 rules in 6 ms. Remains 233 /233 variables (removed 0) and now considering 177/177 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 477 ms. Remains : 233/234 places, 177/191 transitions.
Discarding 9 transitions out of 177. Remains 168
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (893 resets) in 2394 ms. (16 steps per ms) remains 104/167 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 104/104 properties
BEST_FIRST walk for 401 steps (8 resets) in 8 ms. (44 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 104/104 properties
BEST_FIRST walk for 402 steps (8 resets) in 5 ms. (67 steps per ms) remains 104/104 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 4 ms. (80 steps per ms) remains 104/104 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 104/104 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 104/104 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 104/104 properties
BEST_FIRST walk for 402 steps (8 resets) in 4 ms. (80 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 104/104 properties
BEST_FIRST walk for 403 steps (8 resets) in 4 ms. (80 steps per ms) remains 104/104 properties
// Phase 1: matrix 177 rows 233 cols
[2024-05-31 18:26:12] [INFO ] Computed 58 invariants in 8 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/109 variables, 109/109 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/109 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 2 (OVERLAPS) 10/119 variables, 6/115 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/119 variables, 10/125 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 5 (OVERLAPS) 62/181 variables, 26/151 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 62/213 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 8 (OVERLAPS) 40/221 variables, 24/237 constraints. Problems are: Problem set: 0 solved, 104 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/221 variables, 40/277 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 11 (OVERLAPS) 4/225 variables, 2/279 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/225 variables, 4/283 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/225 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 14 (OVERLAPS) 176/401 variables, 225/508 constraints. Problems are: Problem set: 0 solved, 104 unsolved
[2024-05-31 18:26:16] [INFO ] Deduced a trap composed of 10 places in 98 ms of which 13 ms to minimize.
[2024-05-31 18:26:16] [INFO ] Deduced a trap composed of 9 places in 60 ms of which 2 ms to minimize.
[2024-05-31 18:26:16] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/401 variables, 3/511 constraints. Problems are: Problem set: 0 solved, 104 unsolved
[2024-05-31 18:26:17] [INFO ] Deduced a trap composed of 17 places in 62 ms of which 2 ms to minimize.
SMT process timed out in 5182ms, After SMT, problems are : Problem set: 0 solved, 104 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 109 out of 233 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 233/233 places, 177/177 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 233 transition count 175
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 232 transition count 174
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 232 transition count 174
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 232 transition count 174
Applied a total of 8 rules in 36 ms. Remains 232 /233 variables (removed 1) and now considering 174/177 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 232/233 places, 174/177 transitions.
RANDOM walk for 4000000 steps (53992 resets) in 30687 ms. (130 steps per ms) remains 92/104 properties
BEST_FIRST walk for 400003 steps (905 resets) in 1272 ms. (314 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (911 resets) in 999 ms. (400 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400002 steps (894 resets) in 838 ms. (476 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (904 resets) in 770 ms. (518 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400002 steps (930 resets) in 759 ms. (526 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400002 steps (938 resets) in 831 ms. (480 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (892 resets) in 747 ms. (534 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (913 resets) in 771 ms. (518 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (910 resets) in 763 ms. (523 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (932 resets) in 765 ms. (522 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (924 resets) in 756 ms. (528 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (909 resets) in 766 ms. (521 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (897 resets) in 773 ms. (516 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (882 resets) in 767 ms. (520 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (893 resets) in 761 ms. (524 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (899 resets) in 769 ms. (519 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (921 resets) in 764 ms. (522 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (924 resets) in 765 ms. (522 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (920 resets) in 766 ms. (521 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400002 steps (946 resets) in 767 ms. (520 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (927 resets) in 772 ms. (517 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (904 resets) in 770 ms. (518 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (918 resets) in 768 ms. (520 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (881 resets) in 770 ms. (518 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (659 resets) in 783 ms. (510 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (702 resets) in 779 ms. (512 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400002 steps (688 resets) in 783 ms. (510 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (697 resets) in 781 ms. (511 steps per ms) remains 91/92 properties
BEST_FIRST walk for 400004 steps (687 resets) in 789 ms. (506 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (697 resets) in 788 ms. (506 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (713 resets) in 774 ms. (516 steps per ms) remains 89/91 properties
BEST_FIRST walk for 400003 steps (685 resets) in 770 ms. (518 steps per ms) remains 89/89 properties
BEST_FIRST walk for 400004 steps (706 resets) in 782 ms. (510 steps per ms) remains 89/89 properties
BEST_FIRST walk for 400003 steps (678 resets) in 779 ms. (512 steps per ms) remains 89/89 properties
BEST_FIRST walk for 400003 steps (728 resets) in 783 ms. (510 steps per ms) remains 89/89 properties
BEST_FIRST walk for 400003 steps (695 resets) in 784 ms. (509 steps per ms) remains 89/89 properties
BEST_FIRST walk for 400003 steps (680 resets) in 776 ms. (514 steps per ms) remains 89/89 properties
BEST_FIRST walk for 400004 steps (686 resets) in 787 ms. (507 steps per ms) remains 89/89 properties
BEST_FIRST walk for 400002 steps (682 resets) in 783 ms. (510 steps per ms) remains 88/89 properties
BEST_FIRST walk for 400004 steps (716 resets) in 774 ms. (516 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (689 resets) in 765 ms. (522 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (710 resets) in 768 ms. (520 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (702 resets) in 779 ms. (512 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (711 resets) in 779 ms. (512 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (682 resets) in 782 ms. (510 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (712 resets) in 782 ms. (510 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2909 resets) in 954 ms. (418 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2913 resets) in 938 ms. (425 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2900 resets) in 935 ms. (427 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2902 resets) in 926 ms. (431 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2907 resets) in 937 ms. (426 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2913 resets) in 942 ms. (424 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2900 resets) in 956 ms. (417 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2903 resets) in 941 ms. (424 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2904 resets) in 947 ms. (421 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2918 resets) in 959 ms. (416 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2925 resets) in 950 ms. (420 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2914 resets) in 941 ms. (424 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2904 resets) in 909 ms. (439 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2910 resets) in 901 ms. (443 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2908 resets) in 916 ms. (436 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2918 resets) in 924 ms. (432 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2905 resets) in 936 ms. (426 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2917 resets) in 936 ms. (426 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2914 resets) in 918 ms. (435 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2911 resets) in 926 ms. (431 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2921 resets) in 962 ms. (415 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2914 resets) in 907 ms. (440 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2901 resets) in 906 ms. (441 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2900 resets) in 920 ms. (434 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (979 resets) in 775 ms. (515 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400001 steps (953 resets) in 756 ms. (528 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (965 resets) in 768 ms. (520 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (940 resets) in 755 ms. (529 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (1001 resets) in 773 ms. (516 steps per ms) remains 87/88 properties
BEST_FIRST walk for 400003 steps (946 resets) in 758 ms. (527 steps per ms) remains 87/87 properties
BEST_FIRST walk for 400003 steps (976 resets) in 781 ms. (511 steps per ms) remains 87/87 properties
BEST_FIRST walk for 400002 steps (952 resets) in 758 ms. (527 steps per ms) remains 87/87 properties
BEST_FIRST walk for 400002 steps (945 resets) in 765 ms. (522 steps per ms) remains 87/87 properties
BEST_FIRST walk for 400003 steps (940 resets) in 744 ms. (536 steps per ms) remains 87/87 properties
BEST_FIRST walk for 400004 steps (961 resets) in 752 ms. (531 steps per ms) remains 87/87 properties
BEST_FIRST walk for 400002 steps (937 resets) in 766 ms. (521 steps per ms) remains 87/87 properties
BEST_FIRST walk for 400001 steps (965 resets) in 755 ms. (529 steps per ms) remains 87/87 properties
BEST_FIRST walk for 400002 steps (936 resets) in 739 ms. (540 steps per ms) remains 87/87 properties
BEST_FIRST walk for 400004 steps (976 resets) in 754 ms. (529 steps per ms) remains 87/87 properties
BEST_FIRST walk for 400003 steps (980 resets) in 774 ms. (516 steps per ms) remains 87/87 properties
BEST_FIRST walk for 400004 steps (955 resets) in 758 ms. (527 steps per ms) remains 87/87 properties
BEST_FIRST walk for 400002 steps (980 resets) in 789 ms. (506 steps per ms) remains 86/87 properties
BEST_FIRST walk for 400002 steps (977 resets) in 767 ms. (520 steps per ms) remains 86/86 properties
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:26:46] [INFO ] Computed 60 invariants in 7 ms
[2024-05-31 18:26:46] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (OVERLAPS) 10/101 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 3 (OVERLAPS) 72/173 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 86 unsolved
[2024-05-31 18:26:47] [INFO ] Deduced a trap composed of 8 places in 19 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/173 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/173 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 86 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 48/221 variables, 24/61 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/221 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 8 (OVERLAPS) 174/395 variables, 221/282 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/395 variables, 2/284 constraints. Problems are: Problem set: 0 solved, 86 unsolved
[2024-05-31 18:26:48] [INFO ] Deduced a trap composed of 11 places in 58 ms of which 1 ms to minimize.
[2024-05-31 18:26:48] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:26:48] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 1 ms to minimize.
[2024-05-31 18:26:48] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/395 variables, 4/288 constraints. Problems are: Problem set: 0 solved, 86 unsolved
[2024-05-31 18:26:49] [INFO ] Deduced a trap composed of 17 places in 69 ms of which 8 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/395 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 86 unsolved
[2024-05-31 18:26:50] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/395 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/395 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 14 (OVERLAPS) 11/406 variables, 11/301 constraints. Problems are: Problem set: 0 solved, 86 unsolved
[2024-05-31 18:26:52] [INFO ] Deduced a trap composed of 7 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:26:52] [INFO ] Deduced a trap composed of 7 places in 52 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/406 variables, 2/303 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/406 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 86 unsolved
[2024-05-31 18:26:54] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 2 ms to minimize.
At refinement iteration 17 (OVERLAPS) 0/406 variables, 1/304 constraints. Problems are: Problem set: 0 solved, 86 unsolved
[2024-05-31 18:26:54] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/406 variables, 1/305 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/406 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 20 (OVERLAPS) 0/406 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 305 constraints, problems are : Problem set: 0 solved, 86 unsolved in 11251 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 11/11 constraints]
Escalating to Integer solving :Problem set: 0 solved, 86 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (OVERLAPS) 10/101 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 3 (OVERLAPS) 72/173 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/173 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/173 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 6 (OVERLAPS) 48/221 variables, 24/62 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/221 variables, 9/71 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/221 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 9 (OVERLAPS) 174/395 variables, 221/292 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/395 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/395 variables, 23/317 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/395 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 13 (OVERLAPS) 11/406 variables, 11/328 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 63/391 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/406 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 16 (OVERLAPS) 0/406 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 391 constraints, problems are : Problem set: 0 solved, 86 unsolved in 42233 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 11/11 constraints]
After SMT, in 53558ms problems are : Problem set: 0 solved, 86 unsolved
Parikh walk visited 13 properties in 23088 ms.
Support contains 78 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 24 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 232/232 places, 174/174 transitions.
RANDOM walk for 4000000 steps (53796 resets) in 27346 ms. (146 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (904 resets) in 740 ms. (539 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (905 resets) in 725 ms. (550 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400003 steps (910 resets) in 723 ms. (552 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400003 steps (900 resets) in 730 ms. (547 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400003 steps (927 resets) in 733 ms. (544 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (902 resets) in 730 ms. (547 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400002 steps (898 resets) in 730 ms. (547 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400002 steps (904 resets) in 721 ms. (554 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400003 steps (906 resets) in 715 ms. (558 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400002 steps (915 resets) in 724 ms. (551 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (907 resets) in 709 ms. (563 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400003 steps (895 resets) in 717 ms. (557 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400003 steps (904 resets) in 718 ms. (556 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400002 steps (911 resets) in 722 ms. (553 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400002 steps (922 resets) in 722 ms. (553 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400002 steps (875 resets) in 713 ms. (560 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (902 resets) in 721 ms. (554 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400001 steps (716 resets) in 750 ms. (532 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400003 steps (695 resets) in 746 ms. (535 steps per ms) remains 72/73 properties
BEST_FIRST walk for 400004 steps (669 resets) in 743 ms. (537 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (692 resets) in 747 ms. (534 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (676 resets) in 736 ms. (542 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (724 resets) in 750 ms. (532 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (691 resets) in 744 ms. (536 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (695 resets) in 754 ms. (529 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (684 resets) in 734 ms. (544 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (707 resets) in 733 ms. (544 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (669 resets) in 734 ms. (544 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (690 resets) in 742 ms. (538 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (688 resets) in 746 ms. (535 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (690 resets) in 755 ms. (529 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (683 resets) in 759 ms. (526 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (685 resets) in 750 ms. (532 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (691 resets) in 752 ms. (531 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (2895 resets) in 894 ms. (446 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2912 resets) in 890 ms. (448 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (2912 resets) in 885 ms. (451 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (2915 resets) in 889 ms. (449 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2910 resets) in 895 ms. (446 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (2901 resets) in 895 ms. (446 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (2913 resets) in 894 ms. (446 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (2901 resets) in 892 ms. (447 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (2903 resets) in 889 ms. (449 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (2913 resets) in 870 ms. (459 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (2909 resets) in 870 ms. (459 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (2916 resets) in 879 ms. (454 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400001 steps (2910 resets) in 881 ms. (453 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (2905 resets) in 887 ms. (450 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (2906 resets) in 896 ms. (445 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2917 resets) in 896 ms. (445 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2906 resets) in 893 ms. (447 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (2918 resets) in 890 ms. (448 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (2922 resets) in 895 ms. (446 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2911 resets) in 901 ms. (443 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (983 resets) in 752 ms. (531 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (952 resets) in 739 ms. (540 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (949 resets) in 736 ms. (542 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (994 resets) in 738 ms. (541 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400001 steps (976 resets) in 732 ms. (545 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (951 resets) in 729 ms. (547 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (966 resets) in 724 ms. (551 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (986 resets) in 723 ms. (552 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (975 resets) in 719 ms. (555 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (962 resets) in 719 ms. (555 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (945 resets) in 730 ms. (547 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (960 resets) in 734 ms. (544 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (965 resets) in 730 ms. (547 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (986 resets) in 732 ms. (545 steps per ms) remains 72/72 properties
Interrupted probabilistic random walk after 14260803 steps, run timeout after 66001 ms. (steps per millisecond=216 ) properties seen :0 out of 72
Probabilistic random walk after 14260803 steps, saw 1770506 distinct states, run finished after 66008 ms. (steps per millisecond=216 ) properties seen :0
[2024-05-31 18:29:31] [INFO ] Invariant cache hit.
[2024-05-31 18:29:31] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 10/87 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 72/159 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/159 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 61/220 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:29:32] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/220 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/220 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 174/394 variables, 220/281 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 2/283 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/394 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 11 (OVERLAPS) 12/406 variables, 12/295 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:29:34] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:29:35] [INFO ] Deduced a trap composed of 7 places in 42 ms of which 1 ms to minimize.
[2024-05-31 18:29:36] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 0 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/406 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:29:36] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/406 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 17 (OVERLAPS) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 299 constraints, problems are : Problem set: 0 solved, 72 unsolved in 8307 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 10/87 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 72/159 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/159 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:29:40] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/159 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/159 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 61/220 variables, 24/62 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 10 (OVERLAPS) 174/394 variables, 220/285 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/394 variables, 2/287 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/394 variables, 17/304 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:29:42] [INFO ] Deduced a trap composed of 10 places in 59 ms of which 1 ms to minimize.
[2024-05-31 18:29:43] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:29:43] [INFO ] Deduced a trap composed of 21 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:29:43] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:29:43] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:29:43] [INFO ] Deduced a trap composed of 17 places in 52 ms of which 2 ms to minimize.
[2024-05-31 18:29:43] [INFO ] Deduced a trap composed of 20 places in 63 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/394 variables, 7/311 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/394 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 15 (OVERLAPS) 12/406 variables, 12/323 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/406 variables, 55/378 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/406 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:30:03] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/406 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/406 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:30:20] [INFO ] Deduced a trap composed of 18 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:30:21] [INFO ] Deduced a trap composed of 18 places in 68 ms of which 1 ms to minimize.
At refinement iteration 20 (OVERLAPS) 0/406 variables, 2/382 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/406 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 22 (OVERLAPS) 0/406 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 382 constraints, problems are : Problem set: 0 solved, 72 unsolved in 69818 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 16/16 constraints]
After SMT, in 78172ms problems are : Problem set: 0 solved, 72 unsolved
Parikh walk visited 0 properties in 18288 ms.
Support contains 77 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 9 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 232/232 places, 174/174 transitions.
RANDOM walk for 4000000 steps (53831 resets) in 26459 ms. (151 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (927 resets) in 709 ms. (563 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (909 resets) in 686 ms. (582 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (893 resets) in 693 ms. (576 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (910 resets) in 697 ms. (573 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (889 resets) in 682 ms. (585 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (921 resets) in 688 ms. (580 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (910 resets) in 693 ms. (576 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (925 resets) in 706 ms. (565 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (909 resets) in 702 ms. (568 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (896 resets) in 699 ms. (571 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (912 resets) in 705 ms. (566 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (912 resets) in 703 ms. (568 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (923 resets) in 706 ms. (565 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (894 resets) in 706 ms. (565 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (906 resets) in 691 ms. (578 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (896 resets) in 692 ms. (577 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (898 resets) in 686 ms. (582 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (675 resets) in 705 ms. (566 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (690 resets) in 706 ms. (565 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (672 resets) in 709 ms. (563 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (687 resets) in 707 ms. (564 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (684 resets) in 706 ms. (565 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (702 resets) in 830 ms. (481 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (707 resets) in 725 ms. (550 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (705 resets) in 718 ms. (556 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (676 resets) in 724 ms. (551 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (696 resets) in 718 ms. (556 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (691 resets) in 729 ms. (547 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (673 resets) in 723 ms. (552 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (699 resets) in 712 ms. (561 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (704 resets) in 712 ms. (561 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (672 resets) in 707 ms. (564 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (664 resets) in 711 ms. (561 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (705 resets) in 707 ms. (564 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (2909 resets) in 837 ms. (477 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2910 resets) in 836 ms. (477 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2915 resets) in 837 ms. (477 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (2913 resets) in 841 ms. (475 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2898 resets) in 844 ms. (473 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2914 resets) in 850 ms. (470 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (2906 resets) in 852 ms. (468 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2904 resets) in 850 ms. (470 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400001 steps (2918 resets) in 846 ms. (472 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (2912 resets) in 844 ms. (473 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400001 steps (2906 resets) in 843 ms. (473 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (2908 resets) in 830 ms. (481 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2906 resets) in 826 ms. (483 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2907 resets) in 841 ms. (475 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2908 resets) in 838 ms. (476 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2918 resets) in 846 ms. (472 steps per ms) remains 72/72 properties
Interrupted probabilistic random walk after 11368577 steps, run timeout after 51001 ms. (steps per millisecond=222 ) properties seen :0 out of 72
Probabilistic random walk after 11368577 steps, saw 1431344 distinct states, run finished after 51002 ms. (steps per millisecond=222 ) properties seen :0
[2024-05-31 18:32:17] [INFO ] Invariant cache hit.
[2024-05-31 18:32:17] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 10/87 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 72/159 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/159 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 61/220 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:32:18] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/220 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/220 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 174/394 variables, 220/281 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 2/283 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/394 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 11 (OVERLAPS) 12/406 variables, 12/295 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:32:19] [INFO ] Deduced a trap composed of 9 places in 33 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:32:21] [INFO ] Deduced a trap composed of 7 places in 45 ms of which 2 ms to minimize.
[2024-05-31 18:32:21] [INFO ] Deduced a trap composed of 11 places in 49 ms of which 1 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/406 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:32:22] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/406 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 17 (OVERLAPS) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 299 constraints, problems are : Problem set: 0 solved, 72 unsolved in 8276 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 10/87 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 72/159 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/159 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:32:25] [INFO ] Deduced a trap composed of 8 places in 15 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/159 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/159 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 61/220 variables, 24/62 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 10 (OVERLAPS) 174/394 variables, 220/285 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/394 variables, 2/287 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/394 variables, 17/304 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:32:27] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 1 ms to minimize.
[2024-05-31 18:32:28] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:32:28] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 2 ms to minimize.
[2024-05-31 18:32:28] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:32:28] [INFO ] Deduced a trap composed of 18 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:32:29] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 1 ms to minimize.
[2024-05-31 18:32:29] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/394 variables, 7/311 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/394 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 15 (OVERLAPS) 12/406 variables, 12/323 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/406 variables, 55/378 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/406 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:32:47] [INFO ] Deduced a trap composed of 9 places in 49 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/406 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/406 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:33:04] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 0 ms to minimize.
[2024-05-31 18:33:06] [INFO ] Deduced a trap composed of 18 places in 66 ms of which 1 ms to minimize.
At refinement iteration 20 (OVERLAPS) 0/406 variables, 2/382 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/406 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 22 (OVERLAPS) 0/406 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 382 constraints, problems are : Problem set: 0 solved, 72 unsolved in 68403 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 16/16 constraints]
After SMT, in 76719ms problems are : Problem set: 0 solved, 72 unsolved
Parikh walk visited 0 properties in 18734 ms.
Support contains 77 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 7 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 232/232 places, 174/174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 7 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
[2024-05-31 18:33:52] [INFO ] Invariant cache hit.
[2024-05-31 18:33:52] [INFO ] Implicit Places using invariants in 108 ms returned []
[2024-05-31 18:33:52] [INFO ] Invariant cache hit.
[2024-05-31 18:33:52] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:33:52] [INFO ] Implicit Places using invariants and state equation in 213 ms returned []
Implicit Place search using SMT with State Equation took 322 ms to find 0 implicit places.
[2024-05-31 18:33:52] [INFO ] Redundant transitions in 5 ms returned []
Running 173 sub problems to find dead transitions.
[2024-05-31 18:33:52] [INFO ] Invariant cache hit.
[2024-05-31 18:33:52] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (OVERLAPS) 174/406 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/406 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:33:55] [INFO ] Deduced a trap composed of 7 places in 53 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/406 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:33:56] [INFO ] Deduced a trap composed of 13 places in 50 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/406 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:33:59] [INFO ] Deduced a trap composed of 8 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:33:59] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:34:00] [INFO ] Deduced a trap composed of 17 places in 59 ms of which 1 ms to minimize.
[2024-05-31 18:34:00] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 1 ms to minimize.
[2024-05-31 18:34:00] [INFO ] Deduced a trap composed of 11 places in 49 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/406 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 301 constraints, problems are : Problem set: 0 solved, 173 unsolved in 11968 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 7/7 constraints]
Escalating to Integer solving :Problem set: 0 solved, 173 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:34:05] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 1 ms to minimize.
[2024-05-31 18:34:06] [INFO ] Deduced a trap composed of 6 places in 21 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 7 (OVERLAPS) 174/406 variables, 232/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/406 variables, 2/303 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 173/476 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:34:12] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:34:12] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:34:13] [INFO ] Deduced a trap composed of 9 places in 63 ms of which 1 ms to minimize.
[2024-05-31 18:34:15] [INFO ] Deduced a trap composed of 8 places in 45 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/406 variables, 4/480 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:34:30] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 406/406 variables, and 481 constraints, problems are : Problem set: 0 solved, 173 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 14/14 constraints]
After SMT, in 42058ms problems are : Problem set: 0 solved, 173 unsolved
Search for dead transitions found 0 dead transitions in 42061ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42407 ms. Remains : 232/232 places, 174/174 transitions.
RANDOM walk for 400000 steps (5420 resets) in 4421 ms. (90 steps per ms) remains 72/77 properties
Running SMT prover for 72 properties.
[2024-05-31 18:34:36] [INFO ] Invariant cache hit.
[2024-05-31 18:34:36] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2024-05-31 18:34:36] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:34:36] [INFO ] After 149ms SMT Verify possible using state equation in real domain returned unsat :0 sat :72
[2024-05-31 18:34:36] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:34:36] [INFO ] After 80ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :72
TRAPS : Iteration 0
[2024-05-31 18:34:36] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 1 ms to minimize.
[2024-05-31 18:34:37] [INFO ] Deduced a trap composed of 10 places in 57 ms of which 1 ms to minimize.
[2024-05-31 18:34:37] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 1 ms to minimize.
TRAPS : Iteration 1
[2024-05-31 18:34:37] [INFO ] After 1333ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:72
[2024-05-31 18:34:37] [INFO ] After 1588ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:72
[2024-05-31 18:34:37] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2024-05-31 18:34:38] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:34:38] [INFO ] After 189ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :72
[2024-05-31 18:34:38] [INFO ] After 87ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :72
TRAPS : Iteration 0
[2024-05-31 18:34:38] [INFO ] Deduced a trap composed of 13 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:34:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2024-05-31 18:34:39] [INFO ] Deduced a trap composed of 16 places in 64 ms of which 1 ms to minimize.
[2024-05-31 18:34:39] [INFO ] Deduced a trap composed of 8 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:34:39] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 138 ms
TRAPS : Iteration 1
[2024-05-31 18:34:39] [INFO ] Deduced a trap composed of 6 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:34:39] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 1 ms to minimize.
[2024-05-31 18:34:39] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 115 ms
TRAPS : Iteration 2
[2024-05-31 18:34:41] [INFO ] After 3392ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :72
[2024-05-31 18:34:41] [INFO ] After 3781ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :72
RANDOM walk for 4000000 steps (53733 resets) in 68763 ms. (58 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (916 resets) in 1862 ms. (214 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (915 resets) in 1849 ms. (216 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (897 resets) in 1779 ms. (224 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (904 resets) in 1791 ms. (223 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (910 resets) in 1775 ms. (225 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (891 resets) in 1774 ms. (225 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (917 resets) in 1898 ms. (210 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (898 resets) in 1538 ms. (259 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (914 resets) in 1838 ms. (217 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (910 resets) in 1770 ms. (225 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (902 resets) in 1830 ms. (218 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (935 resets) in 1720 ms. (232 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (893 resets) in 2287 ms. (174 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (889 resets) in 1903 ms. (210 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (896 resets) in 1725 ms. (231 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (915 resets) in 1776 ms. (225 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (909 resets) in 1782 ms. (224 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (694 resets) in 1645 ms. (243 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (713 resets) in 1451 ms. (275 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (671 resets) in 1672 ms. (239 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (699 resets) in 1980 ms. (201 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (710 resets) in 1827 ms. (218 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (695 resets) in 1643 ms. (243 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (690 resets) in 1870 ms. (213 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (679 resets) in 2015 ms. (198 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (683 resets) in 1731 ms. (230 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (732 resets) in 1763 ms. (226 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (691 resets) in 1991 ms. (200 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (702 resets) in 1945 ms. (205 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (714 resets) in 1982 ms. (201 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (684 resets) in 1830 ms. (218 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (661 resets) in 1661 ms. (240 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (688 resets) in 1926 ms. (207 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (685 resets) in 1654 ms. (241 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2905 resets) in 2211 ms. (180 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2902 resets) in 2166 ms. (184 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2910 resets) in 2622 ms. (152 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (2910 resets) in 2198 ms. (181 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2913 resets) in 2131 ms. (187 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2904 resets) in 2523 ms. (158 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (2919 resets) in 2309 ms. (173 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400001 steps (2911 resets) in 2228 ms. (179 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (2907 resets) in 2595 ms. (154 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2906 resets) in 2015 ms. (198 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2912 resets) in 2273 ms. (175 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (2916 resets) in 2022 ms. (197 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2907 resets) in 2394 ms. (167 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (2912 resets) in 2356 ms. (169 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400002 steps (2912 resets) in 2340 ms. (170 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (2912 resets) in 2227 ms. (179 steps per ms) remains 72/72 properties
Interrupted probabilistic random walk after 27533072 steps, run timeout after 150001 ms. (steps per millisecond=183 ) properties seen :0 out of 72
Probabilistic random walk after 27533072 steps, saw 3315843 distinct states, run finished after 150002 ms. (steps per millisecond=183 ) properties seen :0
[2024-05-31 18:38:02] [INFO ] Invariant cache hit.
[2024-05-31 18:38:02] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 10/87 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 72/159 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/159 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 61/220 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:38:03] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/220 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/220 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 174/394 variables, 220/281 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 2/283 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/394 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 11 (OVERLAPS) 12/406 variables, 12/295 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:38:05] [INFO ] Deduced a trap composed of 9 places in 34 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:38:06] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 1 ms to minimize.
[2024-05-31 18:38:06] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 0 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/406 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:38:07] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/406 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 17 (OVERLAPS) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 299 constraints, problems are : Problem set: 0 solved, 72 unsolved in 8349 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 10/87 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 72/159 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/159 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:38:10] [INFO ] Deduced a trap composed of 8 places in 16 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/159 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/159 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 61/220 variables, 24/62 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 10 (OVERLAPS) 174/394 variables, 220/285 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/394 variables, 2/287 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/394 variables, 17/304 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:38:13] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:38:13] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 1 ms to minimize.
[2024-05-31 18:38:14] [INFO ] Deduced a trap composed of 21 places in 53 ms of which 1 ms to minimize.
[2024-05-31 18:38:14] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:38:14] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:38:14] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:38:14] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/394 variables, 7/311 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/394 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 15 (OVERLAPS) 12/406 variables, 12/323 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/406 variables, 55/378 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/406 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:38:33] [INFO ] Deduced a trap composed of 9 places in 44 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/406 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/406 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2024-05-31 18:38:49] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 0 ms to minimize.
[2024-05-31 18:38:51] [INFO ] Deduced a trap composed of 18 places in 66 ms of which 1 ms to minimize.
At refinement iteration 20 (OVERLAPS) 0/406 variables, 2/382 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/406 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 22 (OVERLAPS) 0/406 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 382 constraints, problems are : Problem set: 0 solved, 72 unsolved in 68500 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 16/16 constraints]
After SMT, in 76890ms problems are : Problem set: 0 solved, 72 unsolved
Parikh walk visited 0 properties in 14794 ms.
Support contains 77 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 9 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 232/232 places, 174/174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 7 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
[2024-05-31 18:39:33] [INFO ] Invariant cache hit.
[2024-05-31 18:39:34] [INFO ] Implicit Places using invariants in 103 ms returned []
[2024-05-31 18:39:34] [INFO ] Invariant cache hit.
[2024-05-31 18:39:34] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:39:34] [INFO ] Implicit Places using invariants and state equation in 187 ms returned []
Implicit Place search using SMT with State Equation took 292 ms to find 0 implicit places.
[2024-05-31 18:39:34] [INFO ] Redundant transitions in 5 ms returned []
Running 173 sub problems to find dead transitions.
[2024-05-31 18:39:34] [INFO ] Invariant cache hit.
[2024-05-31 18:39:34] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (OVERLAPS) 174/406 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/406 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:39:36] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/406 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:39:37] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/406 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:39:40] [INFO ] Deduced a trap composed of 8 places in 40 ms of which 1 ms to minimize.
[2024-05-31 18:39:40] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:39:41] [INFO ] Deduced a trap composed of 17 places in 54 ms of which 1 ms to minimize.
[2024-05-31 18:39:41] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:39:42] [INFO ] Deduced a trap composed of 11 places in 50 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/406 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 301 constraints, problems are : Problem set: 0 solved, 173 unsolved in 12143 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 7/7 constraints]
Escalating to Integer solving :Problem set: 0 solved, 173 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:39:47] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 1 ms to minimize.
[2024-05-31 18:39:47] [INFO ] Deduced a trap composed of 6 places in 21 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 7 (OVERLAPS) 174/406 variables, 232/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/406 variables, 2/303 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 173/476 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:39:54] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:39:54] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:39:55] [INFO ] Deduced a trap composed of 9 places in 56 ms of which 1 ms to minimize.
[2024-05-31 18:39:56] [INFO ] Deduced a trap composed of 8 places in 44 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/406 variables, 4/480 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-31 18:40:12] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 406/406 variables, and 481 constraints, problems are : Problem set: 0 solved, 173 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 14/14 constraints]
After SMT, in 42218ms problems are : Problem set: 0 solved, 173 unsolved
Search for dead transitions found 0 dead transitions in 42219ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42527 ms. Remains : 232/232 places, 174/174 transitions.
RANDOM walk for 400000 steps (5381 resets) in 4029 ms. (99 steps per ms) remains 72/77 properties
Running SMT prover for 72 properties.
[2024-05-31 18:40:17] [INFO ] Invariant cache hit.
[2024-05-31 18:40:17] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2024-05-31 18:40:17] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:40:17] [INFO ] After 143ms SMT Verify possible using state equation in real domain returned unsat :0 sat :72
[2024-05-31 18:40:17] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:40:17] [INFO ] After 78ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :72
TRAPS : Iteration 0
[2024-05-31 18:40:18] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 0 ms to minimize.
[2024-05-31 18:40:18] [INFO ] Deduced a trap composed of 10 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:40:18] [INFO ] Deduced a trap composed of 22 places in 53 ms of which 1 ms to minimize.
TRAPS : Iteration 1
[2024-05-31 18:40:19] [INFO ] After 1288ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:72
[2024-05-31 18:40:19] [INFO ] After 1519ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:72
[2024-05-31 18:40:19] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:40:19] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:40:19] [INFO ] After 182ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :72
[2024-05-31 18:40:19] [INFO ] After 84ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :72
TRAPS : Iteration 0
[2024-05-31 18:40:19] [INFO ] Deduced a trap composed of 13 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:40:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 18:40:20] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 1 ms to minimize.
[2024-05-31 18:40:20] [INFO ] Deduced a trap composed of 8 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:40:20] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 138 ms
TRAPS : Iteration 1
[2024-05-31 18:40:20] [INFO ] Deduced a trap composed of 6 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:40:20] [INFO ] Deduced a trap composed of 7 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:40:20] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 114 ms
TRAPS : Iteration 2
[2024-05-31 18:40:22] [INFO ] After 3317ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :72
[2024-05-31 18:40:22] [INFO ] After 3697ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :72
RANDOM walk for 40000 steps (540 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (94 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1728569 steps, run timeout after 3001 ms. (steps per millisecond=575 ) properties seen :0 out of 1
Probabilistic random walk after 1728569 steps, saw 241556 distinct states, run finished after 3001 ms. (steps per millisecond=575 ) properties seen :0
[2024-05-31 18:40:25] [INFO ] Invariant cache hit.
[2024-05-31 18:40:25] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 202 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:40:26] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:40:26] [INFO ] Deduced a trap composed of 11 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:40:26] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 1 ms to minimize.
[2024-05-31 18:40:26] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 4/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 299 constraints, problems are : Problem set: 0 solved, 1 unsolved in 431 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 640ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 301 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 26 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (550 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (91 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1766099 steps, run timeout after 3001 ms. (steps per millisecond=588 ) properties seen :0 out of 1
Probabilistic random walk after 1766099 steps, saw 246577 distinct states, run finished after 3001 ms. (steps per millisecond=588 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:40:29] [INFO ] Computed 60 invariants in 10 ms
[2024-05-31 18:40:29] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 183 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:40:30] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/342 variables, 8/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 3/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:40:30] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/342 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:40:30] [INFO ] Deduced a trap composed of 22 places in 53 ms of which 1 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/343 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 32/375 variables, 3/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/375 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 29/404 variables, 29/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 297 constraints, problems are : Problem set: 0 solved, 1 unsolved in 385 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 591ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1486 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=297 )
Parikh walk visited 1 properties in 12 ms.
RANDOM walk for 3093 steps (39 resets) in 50 ms. (60 steps per ms) remains 0/1 properties
RANDOM walk for 357 steps (3 resets) in 5 ms. (59 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (536 resets) in 259 ms. (153 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1743728 steps, run timeout after 3001 ms. (steps per millisecond=581 ) properties seen :0 out of 1
Probabilistic random walk after 1743728 steps, saw 243477 distinct states, run finished after 3001 ms. (steps per millisecond=581 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:40:33] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:40:33] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 164 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:40:33] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:40:34] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 0 ms to minimize.
[2024-05-31 18:40:34] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 2/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 331 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 509ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 294 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 20 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (532 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1738640 steps, run timeout after 3001 ms. (steps per millisecond=579 ) properties seen :0 out of 1
Probabilistic random walk after 1738640 steps, saw 242655 distinct states, run finished after 3001 ms. (steps per millisecond=579 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:40:37] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:40:37] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 199 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:40:37] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/183 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/183 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/190 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/190 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 140/330 variables, 190/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 2/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/342 variables, 8/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 3/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:40:38] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:40:38] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 2/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/342 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/343 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:40:38] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 1 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/343 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 32/375 variables, 3/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 1/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/375 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 29/404 variables, 29/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/404 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/404 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 413 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 631ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 300 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 5 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 5 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:40:38] [INFO ] Invariant cache hit.
[2024-05-31 18:40:38] [INFO ] Implicit Places using invariants in 132 ms returned []
[2024-05-31 18:40:38] [INFO ] Invariant cache hit.
[2024-05-31 18:40:38] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:40:38] [INFO ] Implicit Places using invariants and state equation in 225 ms returned []
Implicit Place search using SMT with State Equation took 366 ms to find 0 implicit places.
[2024-05-31 18:40:38] [INFO ] Redundant transitions in 2 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:40:38] [INFO ] Invariant cache hit.
[2024-05-31 18:40:38] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:40:41] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:40:41] [INFO ] Deduced a trap composed of 8 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:40:41] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:40:43] [INFO ] Deduced a trap composed of 17 places in 56 ms of which 1 ms to minimize.
[2024-05-31 18:40:43] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:40:43] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:40:44] [INFO ] Deduced a trap composed of 6 places in 20 ms of which 1 ms to minimize.
[2024-05-31 18:40:44] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 1 ms to minimize.
[2024-05-31 18:40:45] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11432 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:40:56] [INFO ] Deduced a trap composed of 9 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:40:56] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 0 ms to minimize.
[2024-05-31 18:40:57] [INFO ] Deduced a trap composed of 7 places in 53 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41499ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41501ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41881 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 13 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:41:20] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:41:20] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2024-05-31 18:41:20] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:41:20] [INFO ] After 61ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:41:20] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:41:20] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:41:20] [INFO ] After 70ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:41:20] [INFO ] After 84ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:41:20] [INFO ] After 154ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 237 ms.
RANDOM walk for 40000 steps (546 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1723349 steps, run timeout after 3001 ms. (steps per millisecond=574 ) properties seen :0 out of 1
Probabilistic random walk after 1723349 steps, saw 240947 distinct states, run finished after 3001 ms. (steps per millisecond=574 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:41:23] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:41:23] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:41:24] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:41:24] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 2 ms to minimize.
[2024-05-31 18:41:24] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 3/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 331 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 533ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 95659 steps, including 310 resets, run visited all 1 properties in 200 ms. (steps per millisecond=478 )
Parikh walk visited 1 properties in 199 ms.
RANDOM walk for 40000 steps (541 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1737340 steps, run timeout after 3001 ms. (steps per millisecond=578 ) properties seen :0 out of 1
Probabilistic random walk after 1737340 steps, saw 242511 distinct states, run finished after 3001 ms. (steps per millisecond=578 ) properties seen :0
[2024-05-31 18:41:27] [INFO ] Invariant cache hit.
[2024-05-31 18:41:27] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 161 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:41:27] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:41:27] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 1 ms to minimize.
[2024-05-31 18:41:27] [INFO ] Deduced a trap composed of 24 places in 46 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 2/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 348 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 516ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 293 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 15 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (543 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (91 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1761169 steps, run timeout after 3001 ms. (steps per millisecond=586 ) properties seen :0 out of 1
Probabilistic random walk after 1761169 steps, saw 245975 distinct states, run finished after 3001 ms. (steps per millisecond=586 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:41:31] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:41:31] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 170 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:41:31] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/342 variables, 8/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 3/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 32/375 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 29/404 variables, 29/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/404 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/404 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 247 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 427ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 19624 steps, including 34 resets, run visited all 1 properties in 43 ms. (steps per millisecond=456 )
Parikh walk visited 1 properties in 43 ms.
RANDOM walk for 40000 steps (541 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (90 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1739287 steps, run timeout after 3001 ms. (steps per millisecond=579 ) properties seen :0 out of 1
Probabilistic random walk after 1739287 steps, saw 242723 distinct states, run finished after 3001 ms. (steps per millisecond=579 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:41:34] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:41:34] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 153 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:41:35] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:41:35] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 1 ms to minimize.
[2024-05-31 18:41:35] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 3/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 282 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 448ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 111293 steps, including 397 resets, run visited all 1 properties in 227 ms. (steps per millisecond=490 )
Parikh walk visited 1 properties in 226 ms.
RANDOM walk for 40000 steps (539 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (84 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1775995 steps, run timeout after 3001 ms. (steps per millisecond=591 ) properties seen :0 out of 1
Probabilistic random walk after 1775995 steps, saw 247876 distinct states, run finished after 3001 ms. (steps per millisecond=591 ) properties seen :0
[2024-05-31 18:41:38] [INFO ] Invariant cache hit.
[2024-05-31 18:41:38] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 155 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:41:38] [INFO ] Deduced a trap composed of 22 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:41:39] [INFO ] Deduced a trap composed of 17 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:41:39] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 3/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 354 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 513ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 248 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 15 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (550 resets) in 108 ms. (366 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (73 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1772547 steps, run timeout after 3001 ms. (steps per millisecond=590 ) properties seen :0 out of 1
Probabilistic random walk after 1772547 steps, saw 247366 distinct states, run finished after 3001 ms. (steps per millisecond=590 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:41:42] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:41:42] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 153 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:41:42] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/183 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/183 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/190 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/190 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 140/330 variables, 190/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 2/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:41:42] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 1/250 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/330 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/342 variables, 8/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 3/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/342 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 32/375 variables, 3/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 29/404 variables, 29/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/404 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/404 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 303 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 481ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1220 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=244 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (542 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1759002 steps, run timeout after 3001 ms. (steps per millisecond=586 ) properties seen :0 out of 1
Probabilistic random walk after 1759002 steps, saw 245678 distinct states, run finished after 3001 ms. (steps per millisecond=586 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:41:45] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:41:45] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 154 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:41:46] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:41:46] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 1 ms to minimize.
[2024-05-31 18:41:46] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 3/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 315 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 489ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 96599 steps, including 331 resets, run visited all 1 properties in 197 ms. (steps per millisecond=490 )
Parikh walk visited 1 properties in 196 ms.
RANDOM walk for 40000 steps (544 resets) in 130 ms. (305 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (97 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1753941 steps, run timeout after 3001 ms. (steps per millisecond=584 ) properties seen :0 out of 1
Probabilistic random walk after 1753941 steps, saw 244950 distinct states, run finished after 3001 ms. (steps per millisecond=584 ) properties seen :0
[2024-05-31 18:41:49] [INFO ] Invariant cache hit.
[2024-05-31 18:41:49] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 180 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:41:50] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:41:50] [INFO ] Deduced a trap composed of 22 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:41:50] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 3/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 339 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 525ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 223 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 27 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (534 resets) in 97 ms. (408 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1753567 steps, run timeout after 3001 ms. (steps per millisecond=584 ) properties seen :0 out of 1
Probabilistic random walk after 1753567 steps, saw 244896 distinct states, run finished after 3001 ms. (steps per millisecond=584 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:41:53] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:41:53] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:41:53] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/183 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/183 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/190 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/190 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 140/330 variables, 190/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 2/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:41:53] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 1/250 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/330 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/342 variables, 8/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 3/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/342 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 32/375 variables, 3/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 29/404 variables, 29/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/404 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/404 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 311 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 495ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1141 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=228 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (527 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (87 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1739912 steps, run timeout after 3001 ms. (steps per millisecond=579 ) properties seen :0 out of 1
Probabilistic random walk after 1739912 steps, saw 242851 distinct states, run finished after 3001 ms. (steps per millisecond=579 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:41:57] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:41:57] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 149 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:41:57] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 225 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 383ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 23112 steps, including 73 resets, run visited all 1 properties in 55 ms. (steps per millisecond=420 )
Parikh walk visited 1 properties in 54 ms.
RANDOM walk for 40000 steps (535 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (84 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1761406 steps, run timeout after 3001 ms. (steps per millisecond=586 ) properties seen :0 out of 1
Probabilistic random walk after 1761406 steps, saw 246013 distinct states, run finished after 3001 ms. (steps per millisecond=586 ) properties seen :0
[2024-05-31 18:42:00] [INFO ] Invariant cache hit.
[2024-05-31 18:42:00] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 157 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:00] [INFO ] Deduced a trap composed of 8 places in 38 ms of which 0 ms to minimize.
[2024-05-31 18:42:00] [INFO ] Deduced a trap composed of 7 places in 25 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:01] [INFO ] Deduced a trap composed of 13 places in 47 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 312 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 474ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1023 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=204 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (540 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (93 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1744726 steps, run timeout after 3001 ms. (steps per millisecond=581 ) properties seen :0 out of 1
Probabilistic random walk after 1744726 steps, saw 243645 distinct states, run finished after 3001 ms. (steps per millisecond=581 ) properties seen :0
[2024-05-31 18:42:04] [INFO ] Invariant cache hit.
[2024-05-31 18:42:04] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 172 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 163 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 340ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 997 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=249 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (542 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (86 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1755682 steps, run timeout after 3001 ms. (steps per millisecond=585 ) properties seen :0 out of 1
Probabilistic random walk after 1755682 steps, saw 245209 distinct states, run finished after 3001 ms. (steps per millisecond=585 ) properties seen :0
[2024-05-31 18:42:07] [INFO ] Invariant cache hit.
[2024-05-31 18:42:07] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 166 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:07] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:42:07] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 0 ms to minimize.
[2024-05-31 18:42:08] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 3/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 347 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 517ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 200 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 22 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (553 resets) in 132 ms. (300 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1757378 steps, run timeout after 3001 ms. (steps per millisecond=585 ) properties seen :0 out of 1
Probabilistic random walk after 1757378 steps, saw 245462 distinct states, run finished after 3001 ms. (steps per millisecond=585 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:42:11] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:42:11] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:11] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/342 variables, 8/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 3/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 32/375 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 29/404 variables, 29/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/404 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/404 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 265 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 453ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 32662 steps, including 70 resets, run visited all 1 properties in 74 ms. (steps per millisecond=441 )
Parikh walk visited 1 properties in 74 ms.
RANDOM walk for 40000 steps (520 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1767073 steps, run timeout after 3001 ms. (steps per millisecond=588 ) properties seen :0 out of 1
Probabilistic random walk after 1767073 steps, saw 246702 distinct states, run finished after 3001 ms. (steps per millisecond=588 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:42:14] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:42:14] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 144 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:15] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 1 ms to minimize.
[2024-05-31 18:42:15] [INFO ] Deduced a trap composed of 21 places in 37 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:15] [INFO ] Deduced a trap composed of 6 places in 46 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 362 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 512ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 46487 steps, including 176 resets, run visited all 1 properties in 99 ms. (steps per millisecond=469 )
Parikh walk visited 1 properties in 99 ms.
RANDOM walk for 40000 steps (516 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1759039 steps, run timeout after 3001 ms. (steps per millisecond=586 ) properties seen :0 out of 1
Probabilistic random walk after 1759039 steps, saw 245682 distinct states, run finished after 3001 ms. (steps per millisecond=586 ) properties seen :0
[2024-05-31 18:42:18] [INFO ] Invariant cache hit.
[2024-05-31 18:42:18] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 158 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:18] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:18] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:42:19] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 2/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 334 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 497ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 9732 steps, including 44 resets, run visited all 1 properties in 25 ms. (steps per millisecond=389 )
Parikh walk visited 1 properties in 24 ms.
RANDOM walk for 40000 steps (527 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (96 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1752767 steps, run timeout after 3001 ms. (steps per millisecond=584 ) properties seen :0 out of 1
Probabilistic random walk after 1752767 steps, saw 244786 distinct states, run finished after 3001 ms. (steps per millisecond=584 ) properties seen :0
[2024-05-31 18:42:22] [INFO ] Invariant cache hit.
[2024-05-31 18:42:22] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 180 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:22] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:22] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:42:22] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 2/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 309 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 502ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 165 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 11 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (547 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (84 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1757707 steps, run timeout after 3001 ms. (steps per millisecond=585 ) properties seen :0 out of 1
Probabilistic random walk after 1757707 steps, saw 245509 distinct states, run finished after 3001 ms. (steps per millisecond=585 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:42:25] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:42:25] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 205 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:26] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/183 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/183 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/190 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/190 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 140/330 variables, 190/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 2/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:26] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 1/250 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/330 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/342 variables, 8/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 3/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/342 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 32/375 variables, 3/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 29/404 variables, 29/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/404 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/404 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 292 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 506ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 768 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=192 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (542 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1751107 steps, run timeout after 3001 ms. (steps per millisecond=583 ) properties seen :0 out of 1
Probabilistic random walk after 1751107 steps, saw 244555 distinct states, run finished after 3001 ms. (steps per millisecond=583 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:42:29] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:42:29] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 136 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:29] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 1 ms to minimize.
[2024-05-31 18:42:29] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:29] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 337 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 487ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 15620 steps, including 50 resets, run visited all 1 properties in 34 ms. (steps per millisecond=459 )
Parikh walk visited 1 properties in 35 ms.
RANDOM walk for 40000 steps (545 resets) in 99 ms. (400 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (80 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1760598 steps, run timeout after 3001 ms. (steps per millisecond=586 ) properties seen :0 out of 1
Probabilistic random walk after 1760598 steps, saw 245879 distinct states, run finished after 3001 ms. (steps per millisecond=586 ) properties seen :0
[2024-05-31 18:42:33] [INFO ] Invariant cache hit.
[2024-05-31 18:42:33] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 177 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:33] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:42:33] [INFO ] Deduced a trap composed of 21 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:42:33] [INFO ] Deduced a trap composed of 24 places in 42 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 3/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 326 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 508ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 139 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 10 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (547 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1753160 steps, run timeout after 3001 ms. (steps per millisecond=584 ) properties seen :0 out of 1
Probabilistic random walk after 1753160 steps, saw 244833 distinct states, run finished after 3001 ms. (steps per millisecond=584 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:42:36] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:42:36] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:36] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:37] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 1 ms to minimize.
[2024-05-31 18:42:37] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/404 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/404 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 300 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:37] [INFO ] Deduced a trap composed of 7 places in 40 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 25/183 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 140/330 variables, 190/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 2/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 1/250 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/330 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/342 variables, 8/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 3/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/342 variables, 2/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/342 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/343 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/343 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 32/375 variables, 3/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 1/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/375 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 29/404 variables, 29/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/404 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/404 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 265 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 574ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 28163 steps, including 79 resets, run visited all 1 properties in 62 ms. (steps per millisecond=454 )
Parikh walk visited 1 properties in 61 ms.
RANDOM walk for 40000 steps (523 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (92 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1764308 steps, run timeout after 3001 ms. (steps per millisecond=587 ) properties seen :0 out of 1
Probabilistic random walk after 1764308 steps, saw 246359 distinct states, run finished after 3001 ms. (steps per millisecond=587 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:42:40] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:42:40] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 178 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 349ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 35627 steps, including 55 resets, run visited all 1 properties in 73 ms. (steps per millisecond=488 )
Parikh walk visited 1 properties in 73 ms.
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (542 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1785366 steps, run timeout after 3001 ms. (steps per millisecond=594 ) properties seen :0 out of 1
Probabilistic random walk after 1785366 steps, saw 249079 distinct states, run finished after 3001 ms. (steps per millisecond=594 ) properties seen :0
[2024-05-31 18:42:43] [INFO ] Invariant cache hit.
[2024-05-31 18:42:43] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 157 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:44] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:42:44] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:42:44] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 1 ms to minimize.
[2024-05-31 18:42:44] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 4/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 299 constraints, problems are : Problem set: 0 solved, 1 unsolved in 374 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 537ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 283 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 10 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (553 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1770598 steps, run timeout after 3001 ms. (steps per millisecond=590 ) properties seen :0 out of 1
Probabilistic random walk after 1770598 steps, saw 247138 distinct states, run finished after 3001 ms. (steps per millisecond=590 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:42:47] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:42:47] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 183 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:48] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 1 ms to minimize.
[2024-05-31 18:42:48] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:48] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 32/375 variables, 3/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 29/404 variables, 29/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 297 constraints, problems are : Problem set: 0 solved, 1 unsolved in 315 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 517ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 14003 steps, including 65 resets, run visited all 1 properties in 34 ms. (steps per millisecond=411 )
Parikh walk visited 1 properties in 33 ms.
RANDOM walk for 40000 steps (515 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (90 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1768974 steps, run timeout after 3001 ms. (steps per millisecond=589 ) properties seen :0 out of 1
Probabilistic random walk after 1768974 steps, saw 246955 distinct states, run finished after 3001 ms. (steps per millisecond=589 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:42:51] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:42:51] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:51] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 202 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 369ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 259 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 16 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (544 resets) in 112 ms. (353 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (90 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1766773 steps, run timeout after 3001 ms. (steps per millisecond=588 ) properties seen :0 out of 1
Probabilistic random walk after 1766773 steps, saw 246649 distinct states, run finished after 3002 ms. (steps per millisecond=588 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:42:55] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:42:55] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 178 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 214 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 412ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 41490 steps, including 73 resets, run visited all 1 properties in 92 ms. (steps per millisecond=450 )
Parikh walk visited 1 properties in 91 ms.
RANDOM walk for 40000 steps (538 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (84 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1557726 steps, run timeout after 3001 ms. (steps per millisecond=519 ) properties seen :0 out of 1
Probabilistic random walk after 1557726 steps, saw 218184 distinct states, run finished after 3003 ms. (steps per millisecond=518 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:42:58] [INFO ] Computed 60 invariants in 7 ms
[2024-05-31 18:42:58] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 166 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:58] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:42:59] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 1 ms to minimize.
[2024-05-31 18:42:59] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 1 ms to minimize.
[2024-05-31 18:42:59] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 3/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 299 constraints, problems are : Problem set: 0 solved, 1 unsolved in 343 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 523ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 10699 steps, including 32 resets, run visited all 1 properties in 27 ms. (steps per millisecond=396 )
Parikh walk visited 1 properties in 27 ms.
RANDOM walk for 40000 steps (524 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (86 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1731557 steps, run timeout after 3001 ms. (steps per millisecond=576 ) properties seen :0 out of 1
Probabilistic random walk after 1731557 steps, saw 241879 distinct states, run finished after 3001 ms. (steps per millisecond=576 ) properties seen :0
[2024-05-31 18:43:02] [INFO ] Invariant cache hit.
[2024-05-31 18:43:02] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 150 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:02] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:02] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 1 ms to minimize.
[2024-05-31 18:43:02] [INFO ] Deduced a trap composed of 8 places in 43 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 2/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 359 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 511ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 253 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 11 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (552 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (90 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1743839 steps, run timeout after 3001 ms. (steps per millisecond=581 ) properties seen :0 out of 1
Probabilistic random walk after 1743839 steps, saw 243492 distinct states, run finished after 3001 ms. (steps per millisecond=581 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:43:06] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:43:06] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 192 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:06] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 1 ms to minimize.
[2024-05-31 18:43:06] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:06] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 32/375 variables, 3/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 29/404 variables, 29/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 297 constraints, problems are : Problem set: 0 solved, 1 unsolved in 327 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 528ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 21259 steps, including 71 resets, run visited all 1 properties in 48 ms. (steps per millisecond=442 )
Parikh walk visited 1 properties in 47 ms.
RANDOM walk for 40000 steps (542 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (91 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1753650 steps, run timeout after 3001 ms. (steps per millisecond=584 ) properties seen :0 out of 1
Probabilistic random walk after 1753650 steps, saw 244906 distinct states, run finished after 3001 ms. (steps per millisecond=584 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:43:09] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:43:09] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:10] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 196 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 363ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 42792 steps, including 124 resets, run visited all 1 properties in 89 ms. (steps per millisecond=480 )
Parikh walk visited 1 properties in 88 ms.
RANDOM walk for 40000 steps (530 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (98 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1745767 steps, run timeout after 3001 ms. (steps per millisecond=581 ) properties seen :0 out of 1
Probabilistic random walk after 1745767 steps, saw 243800 distinct states, run finished after 3001 ms. (steps per millisecond=581 ) properties seen :0
[2024-05-31 18:43:13] [INFO ] Invariant cache hit.
[2024-05-31 18:43:13] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 153 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:13] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:13] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:43:13] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:43:13] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 3/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:13] [INFO ] Deduced a trap composed of 6 places in 39 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/406 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/406 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 300 constraints, problems are : Problem set: 0 solved, 1 unsolved in 404 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 572ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 228 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 17 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (539 resets) in 135 ms. (294 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1731418 steps, run timeout after 3001 ms. (steps per millisecond=576 ) properties seen :0 out of 1
Probabilistic random walk after 1731418 steps, saw 241865 distinct states, run finished after 3001 ms. (steps per millisecond=576 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:43:17] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:43:17] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:17] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:43:17] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:17] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 32/375 variables, 3/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 29/404 variables, 29/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 297 constraints, problems are : Problem set: 0 solved, 1 unsolved in 327 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 518ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 12542 steps, including 37 resets, run visited all 1 properties in 30 ms. (steps per millisecond=418 )
Parikh walk visited 1 properties in 30 ms.
RANDOM walk for 40000 steps (546 resets) in 117 ms. (338 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (84 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1731511 steps, run timeout after 3001 ms. (steps per millisecond=576 ) properties seen :0 out of 1
Probabilistic random walk after 1731511 steps, saw 241874 distinct states, run finished after 3001 ms. (steps per millisecond=576 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:43:20] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:43:20] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 155 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:20] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 199 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 360ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 44261 steps, including 139 resets, run visited all 1 properties in 98 ms. (steps per millisecond=451 )
Parikh walk visited 1 properties in 97 ms.
RANDOM walk for 40000 steps (545 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (91 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1729300 steps, run timeout after 3001 ms. (steps per millisecond=576 ) properties seen :0 out of 1
Probabilistic random walk after 1729300 steps, saw 241642 distinct states, run finished after 3001 ms. (steps per millisecond=576 ) properties seen :0
[2024-05-31 18:43:24] [INFO ] Invariant cache hit.
[2024-05-31 18:43:24] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:24] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:43:24] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 1 ms to minimize.
[2024-05-31 18:43:24] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 3/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 297 constraints, problems are : Problem set: 0 solved, 1 unsolved in 292 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:24] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 174/376 variables, 202/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 2/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 1/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:24] [INFO ] Deduced a trap composed of 8 places in 46 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 1/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/376 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 30/406 variables, 30/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/406 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/406 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 300 constraints, problems are : Problem set: 0 solved, 1 unsolved in 263 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 559ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1160 steps, including 1 resets, run visited all 1 properties in 5 ms. (steps per millisecond=232 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (535 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1709804 steps, run timeout after 3001 ms. (steps per millisecond=569 ) properties seen :0 out of 1
Probabilistic random walk after 1709804 steps, saw 239409 distinct states, run finished after 3001 ms. (steps per millisecond=569 ) properties seen :0
[2024-05-31 18:43:27] [INFO ] Invariant cache hit.
[2024-05-31 18:43:27] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:28] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 1 ms to minimize.
[2024-05-31 18:43:28] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 254 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:28] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 174/376 variables, 202/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:28] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 1 ms to minimize.
[2024-05-31 18:43:28] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 2/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/376 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 30/406 variables, 30/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/406 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/406 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 300 constraints, problems are : Problem set: 0 solved, 1 unsolved in 330 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 588ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 211 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 10 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (534 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (94 resets) in 60 ms. (655 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1720802 steps, run timeout after 3001 ms. (steps per millisecond=573 ) properties seen :0 out of 1
Probabilistic random walk after 1720802 steps, saw 240617 distinct states, run finished after 3001 ms. (steps per millisecond=573 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:43:31] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:43:31] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:32] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 1 ms to minimize.
[2024-05-31 18:43:32] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:43:32] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 32/375 variables, 3/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 29/404 variables, 29/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 297 constraints, problems are : Problem set: 0 solved, 1 unsolved in 340 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 551ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 153 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 11 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:43:32] [INFO ] Invariant cache hit.
[2024-05-31 18:43:32] [INFO ] Implicit Places using invariants in 130 ms returned []
[2024-05-31 18:43:32] [INFO ] Invariant cache hit.
[2024-05-31 18:43:32] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:43:32] [INFO ] Implicit Places using invariants and state equation in 222 ms returned []
Implicit Place search using SMT with State Equation took 354 ms to find 0 implicit places.
[2024-05-31 18:43:32] [INFO ] Redundant transitions in 2 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:43:32] [INFO ] Invariant cache hit.
[2024-05-31 18:43:32] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:43:35] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:43:35] [INFO ] Deduced a trap composed of 8 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:43:35] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:43:37] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 1 ms to minimize.
[2024-05-31 18:43:37] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:43:37] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:43:38] [INFO ] Deduced a trap composed of 6 places in 17 ms of which 0 ms to minimize.
[2024-05-31 18:43:38] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 1 ms to minimize.
[2024-05-31 18:43:38] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11448 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:43:50] [INFO ] Deduced a trap composed of 9 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:43:50] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 1 ms to minimize.
[2024-05-31 18:43:51] [INFO ] Deduced a trap composed of 7 places in 51 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41516ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41518ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41883 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 5 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:44:14] [INFO ] Computed 60 invariants in 3 ms
[2024-05-31 18:44:14] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2024-05-31 18:44:14] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:44:14] [INFO ] After 66ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:44:14] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2024-05-31 18:44:14] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:44:14] [INFO ] After 78ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:44:14] [INFO ] After 91ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:44:14] [INFO ] After 158ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 236 ms.
RANDOM walk for 40000 steps (522 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (98 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1790348 steps, run timeout after 3001 ms. (steps per millisecond=596 ) properties seen :0 out of 1
Probabilistic random walk after 1790348 steps, saw 249773 distinct states, run finished after 3001 ms. (steps per millisecond=596 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:44:17] [INFO ] Computed 60 invariants in 7 ms
[2024-05-31 18:44:17] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:17] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 1 ms to minimize.
[2024-05-31 18:44:17] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 267 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:17] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 174/376 variables, 202/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 225 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 503ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 194 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 16 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (536 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1778639 steps, run timeout after 3001 ms. (steps per millisecond=592 ) properties seen :0 out of 1
Probabilistic random walk after 1778639 steps, saw 248246 distinct states, run finished after 3001 ms. (steps per millisecond=592 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:44:21] [INFO ] Computed 60 invariants in 11 ms
[2024-05-31 18:44:21] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 185 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 386ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 27346 steps, including 58 resets, run visited all 1 properties in 62 ms. (steps per millisecond=441 )
Parikh walk visited 1 properties in 61 ms.
RANDOM walk for 40000 steps (542 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1809588 steps, run timeout after 3001 ms. (steps per millisecond=602 ) properties seen :0 out of 1
Probabilistic random walk after 1809588 steps, saw 252589 distinct states, run finished after 3001 ms. (steps per millisecond=602 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:44:24] [INFO ] Computed 60 invariants in 3 ms
[2024-05-31 18:44:24] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 157 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:25] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 180 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 345ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 12814 steps, including 46 resets, run visited all 1 properties in 31 ms. (steps per millisecond=413 )
Parikh walk visited 1 properties in 30 ms.
RANDOM walk for 40000 steps (548 resets) in 116 ms. (341 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (96 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1828947 steps, run timeout after 3001 ms. (steps per millisecond=609 ) properties seen :0 out of 1
Probabilistic random walk after 1828947 steps, saw 255115 distinct states, run finished after 3001 ms. (steps per millisecond=609 ) properties seen :0
[2024-05-31 18:44:28] [INFO ] Invariant cache hit.
[2024-05-31 18:44:28] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 168 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:28] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:28] [INFO ] Deduced a trap composed of 8 places in 41 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 297 constraints, problems are : Problem set: 0 solved, 1 unsolved in 255 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 426ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 176 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 9 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (552 resets) in 123 ms. (322 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (86 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1798019 steps, run timeout after 3001 ms. (steps per millisecond=599 ) properties seen :0 out of 1
Probabilistic random walk after 1798019 steps, saw 250935 distinct states, run finished after 3001 ms. (steps per millisecond=599 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:44:32] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:44:32] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 149 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:44:32] [INFO ] Deduced a trap composed of 5 places in 37 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/404 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/404 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 241 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 408ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 128 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:44:32] [INFO ] Invariant cache hit.
[2024-05-31 18:44:32] [INFO ] Implicit Places using invariants in 125 ms returned []
[2024-05-31 18:44:32] [INFO ] Invariant cache hit.
[2024-05-31 18:44:32] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:44:32] [INFO ] Implicit Places using invariants and state equation in 234 ms returned []
Implicit Place search using SMT with State Equation took 360 ms to find 0 implicit places.
[2024-05-31 18:44:32] [INFO ] Redundant transitions in 1 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:44:32] [INFO ] Invariant cache hit.
[2024-05-31 18:44:32] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:44:35] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:44:35] [INFO ] Deduced a trap composed of 8 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:44:35] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:44:37] [INFO ] Deduced a trap composed of 17 places in 62 ms of which 2 ms to minimize.
[2024-05-31 18:44:37] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:44:37] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:44:38] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 1 ms to minimize.
[2024-05-31 18:44:39] [INFO ] Deduced a trap composed of 12 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:44:39] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11342 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:44:49] [INFO ] Deduced a trap composed of 9 places in 50 ms of which 3 ms to minimize.
[2024-05-31 18:44:50] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 1 ms to minimize.
[2024-05-31 18:44:51] [INFO ] Deduced a trap composed of 7 places in 51 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41406ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41408ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41778 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 13 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:45:14] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:45:14] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:45:14] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:45:14] [INFO ] After 56ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:45:14] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:45:14] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:45:14] [INFO ] After 70ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:45:14] [INFO ] After 83ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:45:14] [INFO ] After 150ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 224 ms.
RANDOM walk for 40000 steps (529 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (93 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1803596 steps, run timeout after 3001 ms. (steps per millisecond=600 ) properties seen :0 out of 1
Probabilistic random walk after 1803596 steps, saw 251731 distinct states, run finished after 3001 ms. (steps per millisecond=600 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:45:17] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:45:17] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 138 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:17] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:17] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 0 ms to minimize.
[2024-05-31 18:45:18] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 1 ms to minimize.
[2024-05-31 18:45:18] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 3/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 299 constraints, problems are : Problem set: 0 solved, 1 unsolved in 332 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 479ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 159 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 8 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (559 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (94 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1785391 steps, run timeout after 3001 ms. (steps per millisecond=594 ) properties seen :0 out of 1
Probabilistic random walk after 1785391 steps, saw 249083 distinct states, run finished after 3002 ms. (steps per millisecond=594 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:45:21] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:45:21] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 165 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:21] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 0 ms to minimize.
[2024-05-31 18:45:21] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:21] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 32/375 variables, 3/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 29/404 variables, 29/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 297 constraints, problems are : Problem set: 0 solved, 1 unsolved in 316 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 491ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 7361 steps, including 22 resets, run visited all 1 properties in 19 ms. (steps per millisecond=387 )
Parikh walk visited 1 properties in 18 ms.
RANDOM walk for 40000 steps (535 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1774436 steps, run timeout after 3001 ms. (steps per millisecond=591 ) properties seen :0 out of 1
Probabilistic random walk after 1774436 steps, saw 247671 distinct states, run finished after 3001 ms. (steps per millisecond=591 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:45:24] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:45:24] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:25] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:45:25] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 257 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:25] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 174/376 variables, 202/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:25] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 1/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/376 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 30/406 variables, 30/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 299 constraints, problems are : Problem set: 0 solved, 1 unsolved in 263 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 527ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 21015 steps, including 49 resets, run visited all 1 properties in 47 ms. (steps per millisecond=447 )
Parikh walk visited 1 properties in 47 ms.
RANDOM walk for 40000 steps (534 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (86 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1786138 steps, run timeout after 3001 ms. (steps per millisecond=595 ) properties seen :0 out of 1
Probabilistic random walk after 1786138 steps, saw 249180 distinct states, run finished after 3001 ms. (steps per millisecond=595 ) properties seen :0
[2024-05-31 18:45:28] [INFO ] Invariant cache hit.
[2024-05-31 18:45:28] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:28] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:28] [INFO ] Deduced a trap composed of 8 places in 45 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 297 constraints, problems are : Problem set: 0 solved, 1 unsolved in 263 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 427ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 146 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 8 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (550 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (96 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1809693 steps, run timeout after 3001 ms. (steps per millisecond=603 ) properties seen :0 out of 1
Probabilistic random walk after 1809693 steps, saw 252600 distinct states, run finished after 3002 ms. (steps per millisecond=602 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:45:32] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:45:32] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 122/123 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/158 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:32] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:45:32] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:32] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 32/375 variables, 3/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 29/404 variables, 29/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/404 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 297 constraints, problems are : Problem set: 0 solved, 1 unsolved in 340 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 549ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 4502 steps, including 20 resets, run visited all 1 properties in 13 ms. (steps per millisecond=346 )
Parikh walk visited 1 properties in 12 ms.
RANDOM walk for 40000 steps (548 resets) in 144 ms. (275 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (85 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1779388 steps, run timeout after 3001 ms. (steps per millisecond=592 ) properties seen :0 out of 1
Probabilistic random walk after 1779388 steps, saw 248341 distinct states, run finished after 3001 ms. (steps per millisecond=592 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:45:35] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:45:35] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/202 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 152 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/184 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:35] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/202 variables, 17/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:36] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 0 ms to minimize.
[2024-05-31 18:45:36] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 0 ms to minimize.
[2024-05-31 18:45:36] [INFO ] Deduced a trap composed of 19 places in 27 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 3/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 299 constraints, problems are : Problem set: 0 solved, 1 unsolved in 317 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 477ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 13337 steps, including 41 resets, run visited all 1 properties in 33 ms. (steps per millisecond=404 )
Parikh walk visited 1 properties in 32 ms.
RANDOM walk for 40000 steps (539 resets) in 122 ms. (325 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1777803 steps, run timeout after 3001 ms. (steps per millisecond=592 ) properties seen :0 out of 1
Probabilistic random walk after 1777803 steps, saw 248116 distinct states, run finished after 3001 ms. (steps per millisecond=592 ) properties seen :0
[2024-05-31 18:45:39] [INFO ] Invariant cache hit.
[2024-05-31 18:45:39] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:39] [INFO ] Deduced a trap composed of 12 places in 55 ms of which 1 ms to minimize.
[2024-05-31 18:45:39] [INFO ] Deduced a trap composed of 10 places in 43 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 316 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:39] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/177 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/202 variables, 23/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 174/376 variables, 202/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/376 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 30/406 variables, 30/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 226 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 568ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 309 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 8 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (536 resets) in 108 ms. (366 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (86 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1765000 steps, run timeout after 3001 ms. (steps per millisecond=588 ) properties seen :0 out of 1
Probabilistic random walk after 1765000 steps, saw 246441 distinct states, run finished after 3001 ms. (steps per millisecond=588 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:45:43] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:45:43] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 18:45:43] [INFO ] Deduced a trap composed of 7 places in 36 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 9/190 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/190 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 140/330 variables, 190/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 2/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 258 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 9/190 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/190 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 140/330 variables, 190/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 2/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/342 variables, 8/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 3/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 32/375 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 29/404 variables, 29/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/404 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/404 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 197 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 471ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 242 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:45:43] [INFO ] Invariant cache hit.
[2024-05-31 18:45:44] [INFO ] Implicit Places using invariants in 128 ms returned []
[2024-05-31 18:45:44] [INFO ] Invariant cache hit.
[2024-05-31 18:45:44] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:45:44] [INFO ] Implicit Places using invariants and state equation in 226 ms returned []
Implicit Place search using SMT with State Equation took 357 ms to find 0 implicit places.
[2024-05-31 18:45:44] [INFO ] Redundant transitions in 1 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:45:44] [INFO ] Invariant cache hit.
[2024-05-31 18:45:44] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:45:46] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:45:47] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:45:47] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:45:48] [INFO ] Deduced a trap composed of 17 places in 59 ms of which 1 ms to minimize.
[2024-05-31 18:45:48] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 2 ms to minimize.
[2024-05-31 18:45:48] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:45:49] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 0 ms to minimize.
[2024-05-31 18:45:50] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:45:50] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11376 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:46:01] [INFO ] Deduced a trap composed of 9 places in 49 ms of which 2 ms to minimize.
[2024-05-31 18:46:01] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 0 ms to minimize.
[2024-05-31 18:46:03] [INFO ] Deduced a trap composed of 7 places in 51 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41443ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41445ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41815 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 11 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:46:25] [INFO ] Computed 60 invariants in 1 ms
[2024-05-31 18:46:25] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2024-05-31 18:46:25] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:46:25] [INFO ] After 61ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:46:25] [INFO ] [Nat]Absence check using 36 positive place invariants in 10 ms returned sat
[2024-05-31 18:46:25] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:46:25] [INFO ] After 81ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:46:26] [INFO ] After 95ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:46:26] [INFO ] After 170ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 247 ms.
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (544 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1783108 steps, run timeout after 3001 ms. (steps per millisecond=594 ) properties seen :0 out of 1
Probabilistic random walk after 1783108 steps, saw 248785 distinct states, run finished after 3001 ms. (steps per millisecond=594 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:46:29] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:46:29] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 168 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 333ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 242 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 10 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (541 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1789817 steps, run timeout after 3001 ms. (steps per millisecond=596 ) properties seen :0 out of 1
Probabilistic random walk after 1789817 steps, saw 249670 distinct states, run finished after 3001 ms. (steps per millisecond=596 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:46:32] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:46:32] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 169 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 203 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 400ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 244 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:46:33] [INFO ] Invariant cache hit.
[2024-05-31 18:46:33] [INFO ] Implicit Places using invariants in 119 ms returned []
[2024-05-31 18:46:33] [INFO ] Invariant cache hit.
[2024-05-31 18:46:33] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:46:33] [INFO ] Implicit Places using invariants and state equation in 244 ms returned []
Implicit Place search using SMT with State Equation took 379 ms to find 0 implicit places.
[2024-05-31 18:46:33] [INFO ] Redundant transitions in 0 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:46:33] [INFO ] Invariant cache hit.
[2024-05-31 18:46:33] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:46:36] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:46:36] [INFO ] Deduced a trap composed of 8 places in 46 ms of which 1 ms to minimize.
[2024-05-31 18:46:36] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:46:38] [INFO ] Deduced a trap composed of 17 places in 57 ms of which 1 ms to minimize.
[2024-05-31 18:46:38] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:46:38] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:46:39] [INFO ] Deduced a trap composed of 6 places in 20 ms of which 0 ms to minimize.
[2024-05-31 18:46:39] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:46:39] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11256 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:46:50] [INFO ] Deduced a trap composed of 9 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:46:51] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 1 ms to minimize.
[2024-05-31 18:46:52] [INFO ] Deduced a trap composed of 7 places in 50 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41321ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41322ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41707 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 10 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:47:15] [INFO ] Computed 60 invariants in 1 ms
[2024-05-31 18:47:15] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:47:15] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:47:15] [INFO ] After 56ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:47:15] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:47:15] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2024-05-31 18:47:15] [INFO ] After 71ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:47:15] [INFO ] After 86ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:47:15] [INFO ] After 157ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 229 ms.
RANDOM walk for 40000 steps (517 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1727830 steps, run timeout after 3001 ms. (steps per millisecond=575 ) properties seen :0 out of 1
Probabilistic random walk after 1727830 steps, saw 241475 distinct states, run finished after 3001 ms. (steps per millisecond=575 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:47:18] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:47:18] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 146 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 192 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 346ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 235 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 8 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (547 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1734007 steps, run timeout after 3001 ms. (steps per millisecond=577 ) properties seen :0 out of 1
Probabilistic random walk after 1734007 steps, saw 242160 distinct states, run finished after 3001 ms. (steps per millisecond=577 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:47:22] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:47:22] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 184 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 177 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 370ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 220 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:47:22] [INFO ] Invariant cache hit.
[2024-05-31 18:47:22] [INFO ] Implicit Places using invariants in 122 ms returned []
[2024-05-31 18:47:22] [INFO ] Invariant cache hit.
[2024-05-31 18:47:22] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:47:22] [INFO ] Implicit Places using invariants and state equation in 235 ms returned []
Implicit Place search using SMT with State Equation took 358 ms to find 0 implicit places.
[2024-05-31 18:47:22] [INFO ] Redundant transitions in 0 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:47:22] [INFO ] Invariant cache hit.
[2024-05-31 18:47:22] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:47:25] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 2 ms to minimize.
[2024-05-31 18:47:25] [INFO ] Deduced a trap composed of 8 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:47:25] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:47:27] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:47:27] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:47:27] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:47:28] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 0 ms to minimize.
[2024-05-31 18:47:29] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 0 ms to minimize.
[2024-05-31 18:47:29] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11298 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:47:40] [INFO ] Deduced a trap composed of 9 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:47:40] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 1 ms to minimize.
[2024-05-31 18:47:41] [INFO ] Deduced a trap composed of 7 places in 49 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41380ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41383ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41748 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 9 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:48:04] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:48:04] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:48:04] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:48:04] [INFO ] After 64ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:48:04] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2024-05-31 18:48:04] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:48:04] [INFO ] After 80ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:48:04] [INFO ] After 99ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:48:04] [INFO ] After 178ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 257 ms.
RANDOM walk for 40000 steps (539 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (77 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1734084 steps, run timeout after 3001 ms. (steps per millisecond=577 ) properties seen :0 out of 1
Probabilistic random walk after 1734084 steps, saw 242169 distinct states, run finished after 3001 ms. (steps per millisecond=577 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:48:07] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:48:07] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 162 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 168 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 338ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 225 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 8 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (546 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1756854 steps, run timeout after 3001 ms. (steps per millisecond=585 ) properties seen :0 out of 1
Probabilistic random walk after 1756854 steps, saw 245376 distinct states, run finished after 3001 ms. (steps per millisecond=585 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:48:11] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:48:11] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 210 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 193 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 411ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 211 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:48:11] [INFO ] Invariant cache hit.
[2024-05-31 18:48:12] [INFO ] Implicit Places using invariants in 119 ms returned []
[2024-05-31 18:48:12] [INFO ] Invariant cache hit.
[2024-05-31 18:48:12] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:48:12] [INFO ] Implicit Places using invariants and state equation in 226 ms returned []
Implicit Place search using SMT with State Equation took 346 ms to find 0 implicit places.
[2024-05-31 18:48:12] [INFO ] Redundant transitions in 0 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:48:12] [INFO ] Invariant cache hit.
[2024-05-31 18:48:12] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:48:14] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 1 ms to minimize.
[2024-05-31 18:48:15] [INFO ] Deduced a trap composed of 8 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:48:15] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:48:16] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 2 ms to minimize.
[2024-05-31 18:48:16] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:48:16] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:48:17] [INFO ] Deduced a trap composed of 6 places in 21 ms of which 0 ms to minimize.
[2024-05-31 18:48:18] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 1 ms to minimize.
[2024-05-31 18:48:18] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11494 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:48:29] [INFO ] Deduced a trap composed of 9 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:48:29] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 1 ms to minimize.
[2024-05-31 18:48:30] [INFO ] Deduced a trap composed of 7 places in 42 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41554ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41557ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41911 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 5 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:48:53] [INFO ] Computed 60 invariants in 1 ms
[2024-05-31 18:48:53] [INFO ] [Real]Absence check using 36 positive place invariants in 6 ms returned sat
[2024-05-31 18:48:53] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:48:53] [INFO ] After 59ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:48:53] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:48:53] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:48:54] [INFO ] After 72ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:48:54] [INFO ] Deduced a trap composed of 6 places in 30 ms of which 1 ms to minimize.
[2024-05-31 18:48:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 48 ms
TRAPS : Iteration 1
[2024-05-31 18:48:54] [INFO ] After 143ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:48:54] [INFO ] After 212ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 278 ms.
RANDOM walk for 40000 steps (543 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1737269 steps, run timeout after 3001 ms. (steps per millisecond=578 ) properties seen :0 out of 1
Probabilistic random walk after 1737269 steps, saw 242507 distinct states, run finished after 3001 ms. (steps per millisecond=578 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:48:57] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:48:57] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 146 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 154 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 316ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 211 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 20 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (548 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (95 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1750894 steps, run timeout after 3001 ms. (steps per millisecond=583 ) properties seen :0 out of 1
Probabilistic random walk after 1750894 steps, saw 244521 distinct states, run finished after 3001 ms. (steps per millisecond=583 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:49:00] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:49:00] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 183 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 227 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 422ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 200 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:49:01] [INFO ] Invariant cache hit.
[2024-05-31 18:49:01] [INFO ] Implicit Places using invariants in 128 ms returned []
[2024-05-31 18:49:01] [INFO ] Invariant cache hit.
[2024-05-31 18:49:01] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:49:01] [INFO ] Implicit Places using invariants and state equation in 232 ms returned []
Implicit Place search using SMT with State Equation took 362 ms to find 0 implicit places.
[2024-05-31 18:49:01] [INFO ] Redundant transitions in 0 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:49:01] [INFO ] Invariant cache hit.
[2024-05-31 18:49:01] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:49:04] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 1 ms to minimize.
[2024-05-31 18:49:04] [INFO ] Deduced a trap composed of 8 places in 45 ms of which 1 ms to minimize.
[2024-05-31 18:49:04] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:49:06] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 1 ms to minimize.
[2024-05-31 18:49:06] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 2 ms to minimize.
[2024-05-31 18:49:06] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:49:07] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 0 ms to minimize.
[2024-05-31 18:49:07] [INFO ] Deduced a trap composed of 12 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:49:08] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11499 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:49:19] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:49:19] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 1 ms to minimize.
[2024-05-31 18:49:20] [INFO ] Deduced a trap composed of 7 places in 58 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41577ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41579ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41948 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 5 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:49:43] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:49:43] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:49:43] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 17 ms returned sat
[2024-05-31 18:49:43] [INFO ] After 63ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:49:43] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:49:43] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:49:43] [INFO ] After 66ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:49:43] [INFO ] After 88ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:49:43] [INFO ] After 156ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 229 ms.
RANDOM walk for 40000 steps (549 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (90 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1755820 steps, run timeout after 3001 ms. (steps per millisecond=585 ) properties seen :0 out of 1
Probabilistic random walk after 1755820 steps, saw 245236 distinct states, run finished after 3001 ms. (steps per millisecond=585 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:49:46] [INFO ] Computed 60 invariants in 1 ms
[2024-05-31 18:49:46] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 156 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 160 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 321ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 210 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 7 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (539 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (84 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1759416 steps, run timeout after 3001 ms. (steps per millisecond=586 ) properties seen :0 out of 1
Probabilistic random walk after 1759416 steps, saw 245730 distinct states, run finished after 3001 ms. (steps per millisecond=586 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:49:50] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:49:50] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 197 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 185 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 400ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 156 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:49:50] [INFO ] Invariant cache hit.
[2024-05-31 18:49:50] [INFO ] Implicit Places using invariants in 143 ms returned []
[2024-05-31 18:49:50] [INFO ] Invariant cache hit.
[2024-05-31 18:49:51] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:49:51] [INFO ] Implicit Places using invariants and state equation in 223 ms returned []
Implicit Place search using SMT with State Equation took 367 ms to find 0 implicit places.
[2024-05-31 18:49:51] [INFO ] Redundant transitions in 0 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:49:51] [INFO ] Invariant cache hit.
[2024-05-31 18:49:51] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:49:53] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:49:54] [INFO ] Deduced a trap composed of 8 places in 45 ms of which 0 ms to minimize.
[2024-05-31 18:49:54] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:49:55] [INFO ] Deduced a trap composed of 17 places in 57 ms of which 1 ms to minimize.
[2024-05-31 18:49:55] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:49:55] [INFO ] Deduced a trap composed of 6 places in 29 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:49:56] [INFO ] Deduced a trap composed of 6 places in 16 ms of which 1 ms to minimize.
[2024-05-31 18:49:57] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 1 ms to minimize.
[2024-05-31 18:49:57] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11637 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:50:08] [INFO ] Deduced a trap composed of 9 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:50:08] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 1 ms to minimize.
[2024-05-31 18:50:10] [INFO ] Deduced a trap composed of 7 places in 49 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41704ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41706ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42080 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 10 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:50:32] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:50:32] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:50:32] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:50:32] [INFO ] After 59ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:50:33] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:50:33] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:50:33] [INFO ] After 66ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:50:33] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 1 ms to minimize.
[2024-05-31 18:50:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
TRAPS : Iteration 1
[2024-05-31 18:50:33] [INFO ] After 138ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:50:33] [INFO ] After 201ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 280 ms.
RANDOM walk for 40000 steps (535 resets) in 108 ms. (366 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (94 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1780241 steps, run timeout after 3001 ms. (steps per millisecond=593 ) properties seen :0 out of 1
Probabilistic random walk after 1780241 steps, saw 248450 distinct states, run finished after 3001 ms. (steps per millisecond=593 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:50:36] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:50:36] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 157 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 167 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 358ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 184 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 7 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (549 resets) in 119 ms. (333 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (90 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1572621 steps, run timeout after 3001 ms. (steps per millisecond=524 ) properties seen :0 out of 1
Probabilistic random walk after 1572621 steps, saw 220062 distinct states, run finished after 3001 ms. (steps per millisecond=524 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:50:39] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:50:39] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 185 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 384ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 184 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:50:40] [INFO ] Invariant cache hit.
[2024-05-31 18:50:40] [INFO ] Implicit Places using invariants in 128 ms returned []
[2024-05-31 18:50:40] [INFO ] Invariant cache hit.
[2024-05-31 18:50:40] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:50:40] [INFO ] Implicit Places using invariants and state equation in 231 ms returned []
Implicit Place search using SMT with State Equation took 359 ms to find 0 implicit places.
[2024-05-31 18:50:40] [INFO ] Redundant transitions in 1 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:50:40] [INFO ] Invariant cache hit.
[2024-05-31 18:50:40] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:50:43] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 1 ms to minimize.
[2024-05-31 18:50:43] [INFO ] Deduced a trap composed of 8 places in 53 ms of which 1 ms to minimize.
[2024-05-31 18:50:43] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:50:45] [INFO ] Deduced a trap composed of 17 places in 62 ms of which 1 ms to minimize.
[2024-05-31 18:50:45] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 1 ms to minimize.
[2024-05-31 18:50:45] [INFO ] Deduced a trap composed of 6 places in 33 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:50:46] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 0 ms to minimize.
[2024-05-31 18:50:46] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 1 ms to minimize.
[2024-05-31 18:50:46] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11349 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:50:57] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 1 ms to minimize.
[2024-05-31 18:50:58] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 1 ms to minimize.
[2024-05-31 18:50:59] [INFO ] Deduced a trap composed of 7 places in 48 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41421ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41423ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41790 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 5 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:51:22] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:51:22] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:51:22] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:51:22] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:51:22] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:51:22] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 10 ms returned sat
[2024-05-31 18:51:22] [INFO ] After 75ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:51:22] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 0 ms to minimize.
[2024-05-31 18:51:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
TRAPS : Iteration 1
[2024-05-31 18:51:22] [INFO ] After 164ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:51:22] [INFO ] After 230ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 293 ms.
RANDOM walk for 40000 steps (537 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (80 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1745346 steps, run timeout after 3001 ms. (steps per millisecond=581 ) properties seen :0 out of 1
Probabilistic random walk after 1745346 steps, saw 243742 distinct states, run finished after 3001 ms. (steps per millisecond=581 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:51:25] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:51:25] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 154 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 335ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 178 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 14 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (546 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1737650 steps, run timeout after 3001 ms. (steps per millisecond=579 ) properties seen :0 out of 1
Probabilistic random walk after 1737650 steps, saw 242553 distinct states, run finished after 3001 ms. (steps per millisecond=579 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:51:29] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:51:29] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 426ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 170 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:51:29] [INFO ] Invariant cache hit.
[2024-05-31 18:51:29] [INFO ] Implicit Places using invariants in 123 ms returned []
[2024-05-31 18:51:29] [INFO ] Invariant cache hit.
[2024-05-31 18:51:29] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:51:30] [INFO ] Implicit Places using invariants and state equation in 223 ms returned []
Implicit Place search using SMT with State Equation took 347 ms to find 0 implicit places.
[2024-05-31 18:51:30] [INFO ] Redundant transitions in 0 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:51:30] [INFO ] Invariant cache hit.
[2024-05-31 18:51:30] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:51:32] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 1 ms to minimize.
[2024-05-31 18:51:32] [INFO ] Deduced a trap composed of 8 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:51:32] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:51:34] [INFO ] Deduced a trap composed of 17 places in 59 ms of which 1 ms to minimize.
[2024-05-31 18:51:34] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:51:34] [INFO ] Deduced a trap composed of 6 places in 31 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:51:35] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 1 ms to minimize.
[2024-05-31 18:51:36] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:51:36] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11331 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:51:47] [INFO ] Deduced a trap composed of 9 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:51:47] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 0 ms to minimize.
[2024-05-31 18:51:48] [INFO ] Deduced a trap composed of 7 places in 52 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41405ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41407ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41767 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 7 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:52:11] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:52:11] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:52:11] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:52:11] [INFO ] After 57ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:52:11] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:52:11] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:52:11] [INFO ] After 67ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:52:11] [INFO ] After 82ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:52:11] [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 212 ms.
RANDOM walk for 40000 steps (514 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (86 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1735489 steps, run timeout after 3001 ms. (steps per millisecond=578 ) properties seen :0 out of 1
Probabilistic random walk after 1735489 steps, saw 242330 distinct states, run finished after 3001 ms. (steps per millisecond=578 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:52:14] [INFO ] Computed 60 invariants in 3 ms
[2024-05-31 18:52:14] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 141 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 158 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 304ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 174 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 8 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (549 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (86 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1739359 steps, run timeout after 3001 ms. (steps per millisecond=579 ) properties seen :0 out of 1
Probabilistic random walk after 1739359 steps, saw 242726 distinct states, run finished after 3001 ms. (steps per millisecond=579 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:52:18] [INFO ] Computed 60 invariants in 3 ms
[2024-05-31 18:52:18] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 187 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 377ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 163 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:52:18] [INFO ] Invariant cache hit.
[2024-05-31 18:52:18] [INFO ] Implicit Places using invariants in 118 ms returned []
[2024-05-31 18:52:18] [INFO ] Invariant cache hit.
[2024-05-31 18:52:19] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:52:19] [INFO ] Implicit Places using invariants and state equation in 221 ms returned []
Implicit Place search using SMT with State Equation took 339 ms to find 0 implicit places.
[2024-05-31 18:52:19] [INFO ] Redundant transitions in 1 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:52:19] [INFO ] Invariant cache hit.
[2024-05-31 18:52:19] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:52:21] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 1 ms to minimize.
[2024-05-31 18:52:22] [INFO ] Deduced a trap composed of 8 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:52:22] [INFO ] Deduced a trap composed of 10 places in 43 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:52:23] [INFO ] Deduced a trap composed of 17 places in 59 ms of which 1 ms to minimize.
[2024-05-31 18:52:23] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 1 ms to minimize.
[2024-05-31 18:52:23] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:52:24] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 0 ms to minimize.
[2024-05-31 18:52:25] [INFO ] Deduced a trap composed of 12 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:52:25] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11401 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:52:36] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:52:36] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 1 ms to minimize.
[2024-05-31 18:52:37] [INFO ] Deduced a trap composed of 7 places in 52 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41465ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41467ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41817 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 10 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:53:00] [INFO ] Computed 60 invariants in 2 ms
[2024-05-31 18:53:00] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:53:00] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:53:00] [INFO ] After 58ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:53:00] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:53:00] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:53:00] [INFO ] After 69ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:53:00] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 1 ms to minimize.
[2024-05-31 18:53:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
TRAPS : Iteration 1
[2024-05-31 18:53:00] [INFO ] After 153ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:53:00] [INFO ] After 220ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 291 ms.
RANDOM walk for 40000 steps (545 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (90 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1776429 steps, run timeout after 3001 ms. (steps per millisecond=591 ) properties seen :0 out of 1
Probabilistic random walk after 1776429 steps, saw 247942 distinct states, run finished after 3001 ms. (steps per millisecond=591 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:53:04] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:53:04] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 165 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 160 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 336ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 158 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 7 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (539 resets) in 122 ms. (325 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1753870 steps, run timeout after 3001 ms. (steps per millisecond=584 ) properties seen :0 out of 1
Probabilistic random walk after 1753870 steps, saw 244932 distinct states, run finished after 3001 ms. (steps per millisecond=584 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:53:07] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 18:53:07] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 169 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 213 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 401ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 156 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 7 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:53:08] [INFO ] Invariant cache hit.
[2024-05-31 18:53:08] [INFO ] Implicit Places using invariants in 117 ms returned []
[2024-05-31 18:53:08] [INFO ] Invariant cache hit.
[2024-05-31 18:53:08] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:53:08] [INFO ] Implicit Places using invariants and state equation in 212 ms returned []
Implicit Place search using SMT with State Equation took 331 ms to find 0 implicit places.
[2024-05-31 18:53:08] [INFO ] Redundant transitions in 0 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:53:08] [INFO ] Invariant cache hit.
[2024-05-31 18:53:08] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:53:11] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 2 ms to minimize.
[2024-05-31 18:53:11] [INFO ] Deduced a trap composed of 8 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:53:11] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:53:12] [INFO ] Deduced a trap composed of 17 places in 62 ms of which 1 ms to minimize.
[2024-05-31 18:53:12] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 1 ms to minimize.
[2024-05-31 18:53:12] [INFO ] Deduced a trap composed of 6 places in 27 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:53:14] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 0 ms to minimize.
[2024-05-31 18:53:14] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 0 ms to minimize.
[2024-05-31 18:53:14] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11496 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:53:25] [INFO ] Deduced a trap composed of 9 places in 44 ms of which 1 ms to minimize.
[2024-05-31 18:53:25] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 1 ms to minimize.
[2024-05-31 18:53:27] [INFO ] Deduced a trap composed of 7 places in 49 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41561ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41564ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41906 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 4 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:53:50] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:53:50] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:53:50] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 18 ms returned sat
[2024-05-31 18:53:50] [INFO ] After 69ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:53:50] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:53:50] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 11 ms returned sat
[2024-05-31 18:53:50] [INFO ] After 69ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:53:50] [INFO ] After 85ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:53:50] [INFO ] After 153ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 235 ms.
RANDOM walk for 40000 steps (526 resets) in 100 ms. (396 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (95 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1759141 steps, run timeout after 3001 ms. (steps per millisecond=586 ) properties seen :0 out of 1
Probabilistic random walk after 1759141 steps, saw 245698 distinct states, run finished after 3001 ms. (steps per millisecond=586 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:53:53] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:53:53] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 149 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 331ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 154 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 14 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (548 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (87 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1758309 steps, run timeout after 3001 ms. (steps per millisecond=585 ) properties seen :0 out of 1
Probabilistic random walk after 1758309 steps, saw 245582 distinct states, run finished after 3002 ms. (steps per millisecond=585 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:53:56] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:53:56] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 195 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 397ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 143 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:53:57] [INFO ] Invariant cache hit.
[2024-05-31 18:53:57] [INFO ] Implicit Places using invariants in 125 ms returned []
[2024-05-31 18:53:57] [INFO ] Invariant cache hit.
[2024-05-31 18:53:57] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:53:57] [INFO ] Implicit Places using invariants and state equation in 219 ms returned []
Implicit Place search using SMT with State Equation took 345 ms to find 0 implicit places.
[2024-05-31 18:53:57] [INFO ] Redundant transitions in 1 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:53:57] [INFO ] Invariant cache hit.
[2024-05-31 18:53:57] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:54:00] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 1 ms to minimize.
[2024-05-31 18:54:00] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:54:00] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:54:02] [INFO ] Deduced a trap composed of 17 places in 70 ms of which 1 ms to minimize.
[2024-05-31 18:54:02] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 1 ms to minimize.
[2024-05-31 18:54:02] [INFO ] Deduced a trap composed of 6 places in 27 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:54:03] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 0 ms to minimize.
[2024-05-31 18:54:03] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
[2024-05-31 18:54:04] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11535 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:54:15] [INFO ] Deduced a trap composed of 9 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:54:15] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 1 ms to minimize.
[2024-05-31 18:54:16] [INFO ] Deduced a trap composed of 7 places in 44 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41601ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41603ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41956 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 11 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:54:39] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:54:39] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2024-05-31 18:54:39] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:54:39] [INFO ] After 62ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:54:39] [INFO ] [Nat]Absence check using 36 positive place invariants in 3 ms returned sat
[2024-05-31 18:54:39] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 18 ms returned sat
[2024-05-31 18:54:39] [INFO ] After 92ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:54:39] [INFO ] After 106ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:54:39] [INFO ] After 179ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 262 ms.
RANDOM walk for 40000 steps (521 resets) in 133 ms. (298 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1754267 steps, run timeout after 3001 ms. (steps per millisecond=584 ) properties seen :0 out of 1
Probabilistic random walk after 1754267 steps, saw 244986 distinct states, run finished after 3001 ms. (steps per millisecond=584 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:54:42] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:54:42] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 154 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 165 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 326ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 144 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 7 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (527 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (93 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1720553 steps, run timeout after 3001 ms. (steps per millisecond=573 ) properties seen :0 out of 1
Probabilistic random walk after 1720553 steps, saw 240560 distinct states, run finished after 3001 ms. (steps per millisecond=573 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:54:46] [INFO ] Computed 60 invariants in 3 ms
[2024-05-31 18:54:46] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 161 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 368ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 141 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:54:46] [INFO ] Invariant cache hit.
[2024-05-31 18:54:46] [INFO ] Implicit Places using invariants in 124 ms returned []
[2024-05-31 18:54:46] [INFO ] Invariant cache hit.
[2024-05-31 18:54:46] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:54:47] [INFO ] Implicit Places using invariants and state equation in 229 ms returned []
Implicit Place search using SMT with State Equation took 354 ms to find 0 implicit places.
[2024-05-31 18:54:47] [INFO ] Redundant transitions in 1 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:54:47] [INFO ] Invariant cache hit.
[2024-05-31 18:54:47] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:54:49] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 1 ms to minimize.
[2024-05-31 18:54:49] [INFO ] Deduced a trap composed of 8 places in 40 ms of which 1 ms to minimize.
[2024-05-31 18:54:49] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:54:51] [INFO ] Deduced a trap composed of 17 places in 56 ms of which 2 ms to minimize.
[2024-05-31 18:54:51] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:54:51] [INFO ] Deduced a trap composed of 6 places in 27 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:54:52] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 0 ms to minimize.
[2024-05-31 18:54:53] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 1 ms to minimize.
[2024-05-31 18:54:53] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11367 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:55:04] [INFO ] Deduced a trap composed of 9 places in 50 ms of which 0 ms to minimize.
[2024-05-31 18:55:04] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 1 ms to minimize.
[2024-05-31 18:55:05] [INFO ] Deduced a trap composed of 7 places in 50 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved
SMT process timed out in 41430ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 41432ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41794 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 4 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:55:28] [INFO ] Computed 60 invariants in 5 ms
[2024-05-31 18:55:28] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2024-05-31 18:55:28] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2024-05-31 18:55:28] [INFO ] After 68ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 18:55:28] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2024-05-31 18:55:28] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 19 ms returned sat
[2024-05-31 18:55:28] [INFO ] After 150ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 18:55:28] [INFO ] After 172ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 18:55:28] [INFO ] After 248ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 328 ms.
RANDOM walk for 40000 steps (543 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1756255 steps, run timeout after 3001 ms. (steps per millisecond=585 ) properties seen :0 out of 1
Probabilistic random walk after 1756255 steps, saw 245294 distinct states, run finished after 3001 ms. (steps per millisecond=585 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2024-05-31 18:55:31] [INFO ] Computed 60 invariants in 3 ms
[2024-05-31 18:55:31] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 107/108 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/177 variables, 36/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/202 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 330ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 133 ms.
Support contains 1 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 173
Applied a total of 2 rules in 7 ms. Remains 231 /232 variables (removed 1) and now considering 173/174 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 231/232 places, 173/174 transitions.
RANDOM walk for 40000 steps (516 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (86 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1759935 steps, run timeout after 3001 ms. (steps per millisecond=586 ) properties seen :0 out of 1
Probabilistic random walk after 1759935 steps, saw 245798 distinct states, run finished after 3001 ms. (steps per millisecond=586 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2024-05-31 18:55:35] [INFO ] Computed 60 invariants in 4 ms
[2024-05-31 18:55:35] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 167 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/147 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/181 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/190 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 200 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 376ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 133 ms.
Support contains 1 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2024-05-31 18:55:35] [INFO ] Invariant cache hit.
[2024-05-31 18:55:36] [INFO ] Implicit Places using invariants in 129 ms returned []
[2024-05-31 18:55:36] [INFO ] Invariant cache hit.
[2024-05-31 18:55:36] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 18:55:36] [INFO ] Implicit Places using invariants and state equation in 223 ms returned []
Implicit Place search using SMT with State Equation took 352 ms to find 0 implicit places.
[2024-05-31 18:55:36] [INFO ] Redundant transitions in 0 ms returned []
Running 170 sub problems to find dead transitions.
[2024-05-31 18:55:36] [INFO ] Invariant cache hit.
[2024-05-31 18:55:36] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:55:38] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 1 ms to minimize.
[2024-05-31 18:55:39] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 1 ms to minimize.
[2024-05-31 18:55:39] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:55:40] [INFO ] Deduced a trap composed of 17 places in 61 ms of which 1 ms to minimize.
[2024-05-31 18:55:40] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 1 ms to minimize.
[2024-05-31 18:55:40] [INFO ] Deduced a trap composed of 6 places in 29 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:55:41] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 1 ms to minimize.
[2024-05-31 18:55:42] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 1 ms to minimize.
[2024-05-31 18:55:42] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 11 (OVERLAPS) 1/404 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 302 constraints, problems are : Problem set: 0 solved, 170 unsolved in 11341 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 170/471 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-31 18:55:53] [INFO ] Deduced a trap composed of 9 places in 50 ms of which 2 ms to minimize.
[2024-05-31 18:55:53] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 1 ms to minimize.
[2024-05-31 18:55:54] [INFO ] Deduced a trap composed of 7 places in 46 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 170 unsolved

BK_TIME_CONFINEMENT_REACHED

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DES-PT-30a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is DES-PT-30a, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r482-tall-171624201900437"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-30a.tgz
mv DES-PT-30a 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 ;