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.r364-tall-171683777300197.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 greatspnxred
Input is ShieldIIPt-PT-040B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r364-tall-171683777300197
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 6.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K 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 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 19 07:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 19 16:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 19:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Apr 12 20:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 184K Apr 12 20:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Apr 12 20:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Apr 12 20:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:53 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 686K May 18 16:43 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 1716910838215

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldIIPt-PT-040B
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-28 15:40:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-28 15:40:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-28 15:40:39] [INFO ] Load time of PNML (sax parser for PT used): 184 ms
[2024-05-28 15:40:39] [INFO ] Transformed 2803 places.
[2024-05-28 15:40:39] [INFO ] Transformed 2603 transitions.
[2024-05-28 15:40:39] [INFO ] Found NUPN structural information;
[2024-05-28 15:40:39] [INFO ] Parsed PT model containing 2803 places and 2603 transitions and 6486 arcs in 407 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2803/2803 places, 2603/2603 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 682 transitions
Trivial Post-agglo rules discarded 682 transitions
Performed 682 trivial Post agglomeration. Transition count delta: 682
Iterating post reduction 0 with 682 rules applied. Total rules applied 682 place count 2803 transition count 1921
Reduce places removed 682 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 684 rules applied. Total rules applied 1366 place count 2121 transition count 1919
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1367 place count 2120 transition count 1919
Performed 161 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 161 Pre rules applied. Total rules applied 1367 place count 2120 transition count 1758
Deduced a syphon composed of 161 places in 22 ms
Reduce places removed 161 places and 0 transitions.
Iterating global reduction 3 with 322 rules applied. Total rules applied 1689 place count 1959 transition count 1758
Performed 1079 Post agglomeration using F-continuation condition.Transition count delta: 1079
Deduced a syphon composed of 1079 places in 5 ms
Reduce places removed 1079 places and 0 transitions.
Iterating global reduction 3 with 2158 rules applied. Total rules applied 3847 place count 880 transition count 679
Renaming transitions due to excessive name length > 1024 char.
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -66
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 3 with 202 rules applied. Total rules applied 4049 place count 779 transition count 745
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 18 places in 3 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 4085 place count 761 transition count 758
Applied a total of 4085 rules in 484 ms. Remains 761 /2803 variables (removed 2042) and now considering 758/2603 (removed 1845) transitions.
// Phase 1: matrix 758 rows 761 cols
[2024-05-28 15:40:40] [INFO ] Computed 361 invariants in 25 ms
[2024-05-28 15:40:41] [INFO ] Implicit Places using invariants in 769 ms returned [753, 754]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 809 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 759/2803 places, 758/2603 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 759 transition count 757
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 758 transition count 757
Applied a total of 2 rules in 20 ms. Remains 758 /759 variables (removed 1) and now considering 757/758 (removed 1) transitions.
// Phase 1: matrix 757 rows 758 cols
[2024-05-28 15:40:41] [INFO ] Computed 359 invariants in 9 ms
[2024-05-28 15:40:41] [INFO ] Implicit Places using invariants in 524 ms returned [747]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 527 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 757/2803 places, 757/2603 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 756 transition count 756
Applied a total of 2 rules in 17 ms. Remains 756 /757 variables (removed 1) and now considering 756/757 (removed 1) transitions.
// Phase 1: matrix 756 rows 756 cols
[2024-05-28 15:40:41] [INFO ] Computed 358 invariants in 3 ms
[2024-05-28 15:40:42] [INFO ] Implicit Places using invariants in 489 ms returned []
[2024-05-28 15:40:42] [INFO ] Invariant cache hit.
[2024-05-28 15:40:42] [INFO ] State equation strengthened by 357 read => feed constraints.
[2024-05-28 15:40:48] [INFO ] Implicit Places using invariants and state equation in 6094 ms returned []
Implicit Place search using SMT with State Equation took 6589 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 756/2803 places, 756/2603 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 8483 ms. Remains : 756/2803 places, 756/2603 transitions.
Discarding 357 transitions out of 756. Remains 399
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8 resets) in 4154 ms. (9 steps per ms) remains 135/398 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 135/135 properties
BEST_FIRST walk for 402 steps (8 resets) in 11 ms. (33 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 402 steps (8 resets) in 16 ms. (23 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 135/135 properties
BEST_FIRST walk for 402 steps (8 resets) in 17 ms. (22 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 135/135 properties
BEST_FIRST walk for 402 steps (8 resets) in 14 ms. (26 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 19 ms. (20 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 17 ms. (22 steps per ms) remains 135/135 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 135/135 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 23 ms. (16 steps per ms) remains 135/135 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 402 steps (8 resets) in 10 ms. (36 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 401 steps (8 resets) in 9 ms. (40 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 135/135 properties
BEST_FIRST walk for 401 steps (8 resets) in 8 ms. (44 steps per ms) remains 135/135 properties
[2024-05-28 15:40:49] [INFO ] Invariant cache hit.
[2024-05-28 15:40:49] [INFO ] State equation strengthened by 357 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/267 variables, 267/267 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/267 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (OVERLAPS) 26/293 variables, 138/405 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/293 variables, 26/431 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/293 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 463/756 variables, 220/651 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/756 variables, 463/1114 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 756/1512 variables, and 1114 constraints, problems are : Problem set: 0 solved, 135 unsolved in 5011 ms.
Refiners :[Domain max(s): 756/756 constraints, Positive P Invariants (semi-flows): 358/358 constraints, State Equation: 0/756 constraints, ReadFeed: 0/357 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 135 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/267 variables, 267/267 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/267 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (OVERLAPS) 26/293 variables, 138/405 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/293 variables, 26/431 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/293 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 463/756 variables, 220/651 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/756 variables, 463/1114 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/756 variables, 0/1114 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 8 (OVERLAPS) 755/1511 variables, 756/1870 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1511 variables, 356/2226 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1511/1512 variables, and 2361 constraints, problems are : Problem set: 0 solved, 135 unsolved in 5061 ms.
Refiners :[Domain max(s): 756/756 constraints, Positive P Invariants (semi-flows): 358/358 constraints, State Equation: 756/756 constraints, ReadFeed: 356/357 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 0/0 constraints]
After SMT, in 10196ms problems are : Problem set: 0 solved, 135 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 267 out of 756 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 756/756 places, 756/756 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 756 transition count 755
Partial Free-agglomeration rule applied 23 times.
Drop transitions (Partial Free agglomeration) removed 23 transitions
Iterating global reduction 1 with 23 rules applied. Total rules applied 24 place count 756 transition count 755
Applied a total of 24 rules in 132 ms. Remains 756 /756 variables (removed 0) and now considering 755/756 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 133 ms. Remains : 756/756 places, 755/756 transitions.
RANDOM walk for 4000000 steps (8 resets) in 61215 ms. (65 steps per ms) remains 77/135 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2130 ms. (187 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2137 ms. (187 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2132 ms. (187 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2139 ms. (186 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2121 ms. (188 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2118 ms. (188 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2122 ms. (188 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2119 ms. (188 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2118 ms. (188 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2113 ms. (189 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2167 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2158 ms. (185 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2165 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2162 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2167 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2176 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2174 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2180 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2182 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2180 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2181 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2188 ms. (182 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2171 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2167 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2182 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2173 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2187 ms. (182 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2169 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2177 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2177 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2172 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2170 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2168 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2171 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2171 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2169 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2166 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2163 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2161 ms. (185 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2175 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400002 steps (8 resets) in 2166 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2175 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2169 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2173 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2167 ms. (184 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2179 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2182 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2174 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2180 ms. (183 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2170 ms. (184 steps per ms) remains 77/77 properties
// Phase 1: matrix 755 rows 756 cols
[2024-05-28 15:41:46] [INFO ] Computed 358 invariants in 4 ms
[2024-05-28 15:41:46] [INFO ] State equation strengthened by 356 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 151/151 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (OVERLAPS) 12/163 variables, 77/228 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 12/240 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 593/756 variables, 281/521 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/756 variables, 593/1114 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/756 variables, 0/1114 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (OVERLAPS) 755/1511 variables, 756/1870 constraints. Problems are: Problem set: 0 solved, 77 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1511 variables, 356/2226 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1511 variables, 0/2226 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 11 (OVERLAPS) 0/1511 variables, 0/2226 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1511/1511 variables, and 2226 constraints, problems are : Problem set: 0 solved, 77 unsolved in 16672 ms.
Refiners :[Domain max(s): 756/756 constraints, Positive P Invariants (semi-flows): 358/358 constraints, State Equation: 756/756 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 151/151 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (OVERLAPS) 12/163 variables, 77/228 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 12/240 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 593/756 variables, 281/521 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/756 variables, 593/1114 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/756 variables, 0/1114 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (OVERLAPS) 755/1511 variables, 756/1870 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1511 variables, 356/2226 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1511 variables, 77/2303 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1511/1511 variables, and 2303 constraints, problems are : Problem set: 0 solved, 77 unsolved in 45016 ms.
Refiners :[Domain max(s): 756/756 constraints, Positive P Invariants (semi-flows): 358/358 constraints, State Equation: 756/756 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints]
After SMT, in 61738ms problems are : Problem set: 0 solved, 77 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 151 out of 756 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 756/756 places, 755/755 transitions.
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 756 transition count 755
Applied a total of 8 rules in 41 ms. Remains 756 /756 variables (removed 0) and now considering 755/755 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 756/756 places, 755/755 transitions.
RANDOM walk for 4000000 steps (8 resets) in 51921 ms. (77 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2111 ms. (189 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2083 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2099 ms. (190 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2086 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2091 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2090 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2094 ms. (190 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2091 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400002 steps (8 resets) in 2088 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2088 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2084 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2090 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2090 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2077 ms. (192 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2088 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2084 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2092 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2081 ms. (192 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2083 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2100 ms. (190 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2067 ms. (193 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2093 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2091 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2078 ms. (192 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2094 ms. (190 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2077 ms. (192 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2084 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2085 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2082 ms. (192 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2081 ms. (192 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2089 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2090 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2079 ms. (192 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2097 ms. (190 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2085 ms. (191 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2157 ms. (185 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2154 ms. (185 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2155 ms. (185 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2126 ms. (188 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2150 ms. (185 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2156 ms. (185 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2135 ms. (187 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2144 ms. (186 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2139 ms. (186 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2155 ms. (185 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2146 ms. (186 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2154 ms. (185 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2154 ms. (185 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2144 ms. (186 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2133 ms. (187 steps per ms) remains 77/77 properties
Interrupted probabilistic random walk after 4270289 steps, run timeout after 132001 ms. (steps per millisecond=32 ) properties seen :0 out of 77
Probabilistic random walk after 4270289 steps, saw 3489241 distinct states, run finished after 132008 ms. (steps per millisecond=32 ) properties seen :0
// Phase 1: matrix 755 rows 756 cols
[2024-05-28 15:45:44] [INFO ] Computed 358 invariants in 3 ms
[2024-05-28 15:45:44] [INFO ] State equation strengthened by 356 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 151/151 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (OVERLAPS) 12/163 variables, 77/228 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 12/240 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 593/756 variables, 281/521 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/756 variables, 593/1114 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/756 variables, 0/1114 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (OVERLAPS) 755/1511 variables, 756/1870 constraints. Problems are: Problem set: 0 solved, 77 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1511 variables, 356/2226 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1511 variables, 0/2226 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 11 (OVERLAPS) 0/1511 variables, 0/2226 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1511/1511 variables, and 2226 constraints, problems are : Problem set: 0 solved, 77 unsolved in 14845 ms.
Refiners :[Domain max(s): 756/756 constraints, Positive P Invariants (semi-flows): 358/358 constraints, State Equation: 756/756 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 151/151 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (OVERLAPS) 12/163 variables, 77/228 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 12/240 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 593/756 variables, 281/521 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/756 variables, 593/1114 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/756 variables, 0/1114 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (OVERLAPS) 755/1511 variables, 756/1870 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1511 variables, 356/2226 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1511 variables, 77/2303 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1511 variables, 0/2303 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 12 (OVERLAPS) 0/1511 variables, 0/2303 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1511/1511 variables, and 2303 constraints, problems are : Problem set: 0 solved, 77 unsolved in 75016 ms.
Refiners :[Domain max(s): 756/756 constraints, Positive P Invariants (semi-flows): 358/358 constraints, State Equation: 756/756 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints]
After SMT, in 89918ms problems are : Problem set: 0 solved, 77 unsolved
Fused 77 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 9052 ms.
Support contains 151 out of 756 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 756/756 places, 755/755 transitions.
Applied a total of 0 rules in 30 ms. Remains 756 /756 variables (removed 0) and now considering 755/755 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 756/756 places, 755/755 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 756/756 places, 755/755 transitions.
Applied a total of 0 rules in 20 ms. Remains 756 /756 variables (removed 0) and now considering 755/755 (removed 0) transitions.
[2024-05-28 15:47:23] [INFO ] Invariant cache hit.
[2024-05-28 15:47:23] [INFO ] Implicit Places using invariants in 431 ms returned []
[2024-05-28 15:47:23] [INFO ] Invariant cache hit.
[2024-05-28 15:47:24] [INFO ] State equation strengthened by 356 read => feed constraints.
[2024-05-28 15:47:28] [INFO ] Implicit Places using invariants and state equation in 4499 ms returned []
Implicit Place search using SMT with State Equation took 4933 ms to find 0 implicit places.
[2024-05-28 15:47:28] [INFO ] Redundant transitions in 44 ms returned []
Running 754 sub problems to find dead transitions.
[2024-05-28 15:47:28] [INFO ] Invariant cache hit.
[2024-05-28 15:47:28] [INFO ] State equation strengthened by 356 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/755 variables, 755/755 constraints. Problems are: Problem set: 0 solved, 754 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/755 variables, 0/755 constraints. Problems are: Problem set: 0 solved, 754 unsolved
At refinement iteration 2 (OVERLAPS) 1/756 variables, 358/1113 constraints. Problems are: Problem set: 0 solved, 754 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/756 variables, 1/1114 constraints. Problems are: Problem set: 0 solved, 754 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 756/1511 variables, and 1114 constraints, problems are : Problem set: 0 solved, 754 unsolved in 30025 ms.
Refiners :[Domain max(s): 756/756 constraints, Positive P Invariants (semi-flows): 358/358 constraints, State Equation: 0/756 constraints, ReadFeed: 0/356 constraints, PredecessorRefiner: 754/754 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 754 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/755 variables, 755/755 constraints. Problems are: Problem set: 0 solved, 754 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/755 variables, 0/755 constraints. Problems are: Problem set: 0 solved, 754 unsolved
At refinement iteration 2 (OVERLAPS) 1/756 variables, 358/1113 constraints. Problems are: Problem set: 0 solved, 754 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/756 variables, 1/1114 constraints. Problems are: Problem set: 0 solved, 754 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/756 variables, 0/1114 constraints. Problems are: Problem set: 0 solved, 754 unsolved
At refinement iteration 5 (OVERLAPS) 755/1511 variables, 756/1870 constraints. Problems are: Problem set: 0 solved, 754 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1511 variables, 356/2226 constraints. Problems are: Problem set: 0 solved, 754 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1511/1511 variables, and 2980 constraints, problems are : Problem set: 0 solved, 754 unsolved in 30158 ms.
Refiners :[Domain max(s): 756/756 constraints, Positive P Invariants (semi-flows): 358/358 constraints, State Equation: 756/756 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 754/754 constraints, Known Traps: 0/0 constraints]
After SMT, in 60455ms problems are : Problem set: 0 solved, 754 unsolved
Search for dead transitions found 0 dead transitions in 60463ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65473 ms. Remains : 756/756 places, 755/755 transitions.
RANDOM walk for 400000 steps (8 resets) in 9255 ms. (43 steps per ms) remains 78/151 properties
Running SMT prover for 78 properties.
[2024-05-28 15:48:31] [INFO ] Invariant cache hit.
[2024-05-28 15:48:31] [INFO ] [Real]Absence check using 358 positive place invariants in 46 ms returned sat
[2024-05-28 15:48:32] [INFO ] After 297ms SMT Verify possible using state equation in real domain returned unsat :0 sat :78
[2024-05-28 15:48:32] [INFO ] State equation strengthened by 356 read => feed constraints.
[2024-05-28 15:48:32] [INFO ] After 768ms SMT Verify possible using 356 Read/Feed constraints in real domain returned unsat :0 sat :78
TRAPS : Iteration 0
[2024-05-28 15:48:37] [INFO ] After 5677ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:78
[2024-05-28 15:48:37] [INFO ] After 6213ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:78
[2024-05-28 15:48:37] [INFO ] [Nat]Absence check using 358 positive place invariants in 45 ms returned sat
[2024-05-28 15:48:38] [INFO ] After 441ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :78
[2024-05-28 15:48:39] [INFO ] After 1295ms SMT Verify possible using 356 Read/Feed constraints in natural domain returned unsat :0 sat :78
TRAPS : Iteration 0
[2024-05-28 15:48:44] [INFO ] After 6209ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :78
[2024-05-28 15:48:46] [INFO ] After 8348ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :78
RANDOM walk for 3095760 steps (8 resets) in 120012 ms. (25 steps per ms) remains 69/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 4159 ms. (96 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 4241 ms. (94 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 4200 ms. (95 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400003 steps (8 resets) in 3539 ms. (112 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3889 ms. (102 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400003 steps (8 resets) in 3807 ms. (105 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3785 ms. (105 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3721 ms. (107 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3730 ms. (107 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400003 steps (8 resets) in 4093 ms. (97 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400002 steps (8 resets) in 4302 ms. (92 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3872 ms. (103 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 4047 ms. (98 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 4203 ms. (95 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 4082 ms. (97 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400003 steps (8 resets) in 3927 ms. (101 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400003 steps (8 resets) in 3911 ms. (102 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3790 ms. (105 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3887 ms. (102 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3789 ms. (105 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3895 ms. (102 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3733 ms. (107 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3777 ms. (105 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3757 ms. (106 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3753 ms. (106 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400003 steps (8 resets) in 3865 ms. (103 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3358 ms. (119 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3858 ms. (103 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400003 steps (8 resets) in 3791 ms. (105 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400003 steps (8 resets) in 3964 ms. (100 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3926 ms. (101 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 4012 ms. (99 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400003 steps (8 resets) in 3727 ms. (107 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400003 steps (8 resets) in 3869 ms. (103 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3787 ms. (105 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3934 ms. (101 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3946 ms. (101 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400003 steps (8 resets) in 3868 ms. (103 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400003 steps (8 resets) in 3700 ms. (108 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3762 ms. (106 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3796 ms. (105 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3916 ms. (102 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3691 ms. (108 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3749 ms. (106 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400003 steps (8 resets) in 3723 ms. (107 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3884 ms. (102 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3622 ms. (110 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3897 ms. (102 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 3738 ms. (106 steps per ms) remains 69/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 4010 ms. (99 steps per ms) remains 69/69 properties
[2024-05-28 15:50:15] [INFO ] Invariant cache hit.
[2024-05-28 15:50:15] [INFO ] State equation strengthened by 356 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/133 variables, 133/133 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/133 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 2 (OVERLAPS) 7/140 variables, 66/199 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/140 variables, 7/206 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 5 (OVERLAPS) 616/756 variables, 292/498 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/756 variables, 616/1114 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/756 variables, 0/1114 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 8 (OVERLAPS) 755/1511 variables, 756/1870 constraints. Problems are: Problem set: 0 solved, 69 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1511 variables, 356/2226 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1511 variables, 0/2226 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 11 (OVERLAPS) 0/1511 variables, 0/2226 constraints. Problems are: Problem set: 0 solved, 69 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1511/1511 variables, and 2226 constraints, problems are : Problem set: 0 solved, 69 unsolved in 13962 ms.
Refiners :[Domain max(s): 756/756 constraints, Positive P Invariants (semi-flows): 358/358 constraints, State Equation: 756/756 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 69/69 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 69 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/133 variables, 133/133 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/133 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 2 (OVERLAPS) 7/140 variables, 66/199 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/140 variables, 7/206 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 5 (OVERLAPS) 616/756 variables, 292/498 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/756 variables, 616/1114 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/756 variables, 0/1114 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 8 (OVERLAPS) 755/1511 variables, 756/1870 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1511 variables, 356/2226 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1511 variables, 69/2295 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1511 variables, 0/2295 constraints. Problems are: Problem set: 0 solved, 69 unsolved
At refinement iteration 12 (OVERLAPS) 0/1511 variables, 0/2295 constraints. Problems are: Problem set: 0 solved, 69 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1511/1511 variables, and 2295 constraints, problems are : Problem set: 0 solved, 69 unsolved in 90017 ms.
Refiners :[Domain max(s): 756/756 constraints, Positive P Invariants (semi-flows): 358/358 constraints, State Equation: 756/756 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 69/69 constraints, Known Traps: 0/0 constraints]
After SMT, in 104009ms problems are : Problem set: 0 solved, 69 unsolved
Fused 69 Parikh solutions to 56 different solutions.
Finished Parikh walk after 3559 steps, including 603 resets, run visited all 14 properties in 186 ms. (steps per millisecond=19 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 2 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 69 properties in 1681 ms.
Able to resolve query QuasiLiveness after proving 399 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 681701 ms.
ITS solved all properties within timeout

BK_STOP 1716911521132

--------------------
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="ShieldIIPt-PT-040B"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is ShieldIIPt-PT-040B, 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 r364-tall-171683777300197"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-040B.tgz
mv ShieldIIPt-PT-040B 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 ;