About the Execution of LTSMin+red for AutonomousCar-PT-10b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 5074.720 | 3600000.00 | 6149770.00 | 9307.80 | F?FFFT??F?F?F?F? | normal |
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.r468-smll-171620167600372.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 AutonomousCar-PT-10b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r468-smll-171620167600372
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 7.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 19 07:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 19 15:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 19 17:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.7K Apr 12 18:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K Apr 12 18:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Apr 12 18:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 41K Apr 12 18:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:29 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 1.6M 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
here is the order used to build the result vector(from text file)
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-00
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-01
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-02
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-03
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-04
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-05
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-06
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-07
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-08
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-09
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-10
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-11
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-12
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-13
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-14
FORMULA_NAME AutonomousCar-PT-10b-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1717228212147
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutonomousCar-PT-10b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 07:50:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 07:50:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 07:50:14] [INFO ] Load time of PNML (sax parser for PT used): 587 ms
[2024-06-01 07:50:14] [INFO ] Transformed 425 places.
[2024-06-01 07:50:14] [INFO ] Transformed 2252 transitions.
[2024-06-01 07:50:14] [INFO ] Found NUPN structural information;
[2024-06-01 07:50:14] [INFO ] Parsed PT model containing 425 places and 2252 transitions and 29816 arcs in 839 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 27 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA AutonomousCar-PT-10b-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 45 out of 425 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 425/425 places, 2252/2252 transitions.
Discarding 61 places :
Symmetric choice reduction at 0 with 61 rule applications. Total rules 61 place count 364 transition count 2191
Iterating global reduction 0 with 61 rules applied. Total rules applied 122 place count 364 transition count 2191
Ensure Unique test removed 400 transitions
Reduce isomorphic transitions removed 400 transitions.
Iterating post reduction 0 with 400 rules applied. Total rules applied 522 place count 364 transition count 1791
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 533 place count 353 transition count 1780
Iterating global reduction 1 with 11 rules applied. Total rules applied 544 place count 353 transition count 1780
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 545 place count 352 transition count 1779
Iterating global reduction 1 with 1 rules applied. Total rules applied 546 place count 352 transition count 1779
Applied a total of 546 rules in 179 ms. Remains 352 /425 variables (removed 73) and now considering 1779/2252 (removed 473) transitions.
// Phase 1: matrix 1779 rows 352 cols
[2024-06-01 07:50:15] [INFO ] Computed 15 invariants in 51 ms
[2024-06-01 07:50:16] [INFO ] Implicit Places using invariants in 494 ms returned []
[2024-06-01 07:50:16] [INFO ] Invariant cache hit.
[2024-06-01 07:50:17] [INFO ] Implicit Places using invariants and state equation in 1036 ms returned []
Implicit Place search using SMT with State Equation took 1578 ms to find 0 implicit places.
Running 1778 sub problems to find dead transitions.
[2024-06-01 07:50:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1778 unsolved
At refinement iteration 1 (OVERLAPS) 1/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1778 unsolved
[2024-06-01 07:51:13] [INFO ] Deduced a trap composed of 31 places in 1678 ms of which 55 ms to minimize.
[2024-06-01 07:51:15] [INFO ] Deduced a trap composed of 23 places in 1464 ms of which 4 ms to minimize.
SMT process timed out in 58096ms, After SMT, problems are : Problem set: 0 solved, 1778 unsolved
Search for dead transitions found 0 dead transitions in 58174ms
Starting structural reductions in LTL mode, iteration 1 : 352/425 places, 1779/2252 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 59982 ms. Remains : 352/425 places, 1779/2252 transitions.
Support contains 45 out of 352 places after structural reductions.
[2024-06-01 07:51:16] [INFO ] Flatten gal took : 470 ms
[2024-06-01 07:51:16] [INFO ] Flatten gal took : 288 ms
[2024-06-01 07:51:17] [INFO ] Input system was already deterministic with 1779 transitions.
Support contains 44 out of 352 places (down from 45) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 39 to 38
RANDOM walk for 40000 steps (308 resets) in 4116 ms. (9 steps per ms) remains 30/38 properties
BEST_FIRST walk for 4004 steps (8 resets) in 77 ms. (51 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 54 ms. (72 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 73 ms. (54 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 59 ms. (66 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 31 ms. (125 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 25 ms. (153 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 25 ms. (153 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 63 ms. (62 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 30/30 properties
[2024-06-01 07:51:19] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 30 unsolved
Problem AtomicPropp3 is UNSAT
Problem AtomicPropp27 is UNSAT
At refinement iteration 1 (OVERLAPS) 283/320 variables, 13/13 constraints. Problems are: Problem set: 2 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/320 variables, 0/13 constraints. Problems are: Problem set: 2 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 32/352 variables, 2/15 constraints. Problems are: Problem set: 2 solved, 28 unsolved
[2024-06-01 07:51:21] [INFO ] Deduced a trap composed of 21 places in 545 ms of which 2 ms to minimize.
[2024-06-01 07:51:22] [INFO ] Deduced a trap composed of 44 places in 642 ms of which 3 ms to minimize.
[2024-06-01 07:51:23] [INFO ] Deduced a trap composed of 32 places in 639 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 3/18 constraints. Problems are: Problem set: 2 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 0/18 constraints. Problems are: Problem set: 2 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 1779/2131 variables, 352/370 constraints. Problems are: Problem set: 2 solved, 28 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2131/2131 variables, and 370 constraints, problems are : Problem set: 2 solved, 28 unsolved in 5019 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 30/1 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 2 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 28 unsolved
At refinement iteration 1 (OVERLAPS) 283/320 variables, 13/13 constraints. Problems are: Problem set: 2 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/320 variables, 0/13 constraints. Problems are: Problem set: 2 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 32/352 variables, 2/15 constraints. Problems are: Problem set: 2 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 3/18 constraints. Problems are: Problem set: 2 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 0/18 constraints. Problems are: Problem set: 2 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 1779/2131 variables, 352/370 constraints. Problems are: Problem set: 2 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2131 variables, 1/371 constraints. Problems are: Problem set: 2 solved, 28 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2131 variables, 0/371 constraints. Problems are: Problem set: 2 solved, 28 unsolved
At refinement iteration 9 (OVERLAPS) 0/2131 variables, 0/371 constraints. Problems are: Problem set: 2 solved, 28 unsolved
No progress, stopping.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
After SMT solving in domain Int declared 2131/2131 variables, and 371 constraints, problems are : Problem set: 2 solved, 28 unsolved in 5010 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 28/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 10826ms problems are : Problem set: 2 solved, 28 unsolved
Fused 28 Parikh solutions to 10 different solutions.
Parikh walk visited 0 properties in 1770 ms.
Support contains 37 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Graph (trivial) has 283 edges and 352 vertex of which 4 / 352 are part of one of the 2 SCC in 5 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Graph (complete) has 1867 edges and 350 vertex of which 348 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.34 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 126 transitions
Trivial Post-agglo rules discarded 126 transitions
Performed 126 trivial Post agglomeration. Transition count delta: 126
Iterating post reduction 0 with 128 rules applied. Total rules applied 130 place count 348 transition count 1647
Reduce places removed 126 places and 0 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 1 with 185 rules applied. Total rules applied 315 place count 222 transition count 1588
Reduce places removed 35 places and 0 transitions.
Iterating post reduction 2 with 35 rules applied. Total rules applied 350 place count 187 transition count 1588
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 350 place count 187 transition count 1581
Deduced a syphon composed of 7 places in 2 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 364 place count 180 transition count 1581
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 365 place count 179 transition count 1580
Iterating global reduction 3 with 1 rules applied. Total rules applied 366 place count 179 transition count 1580
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 367 place count 178 transition count 1570
Iterating global reduction 3 with 1 rules applied. Total rules applied 368 place count 178 transition count 1570
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 3 with 2 rules applied. Total rules applied 370 place count 178 transition count 1568
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 371 place count 177 transition count 1568
Performed 55 Post agglomeration using F-continuation condition.Transition count delta: 55
Deduced a syphon composed of 55 places in 1 ms
Reduce places removed 55 places and 0 transitions.
Iterating global reduction 5 with 110 rules applied. Total rules applied 481 place count 122 transition count 1513
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 482 place count 122 transition count 1512
Discarding 7 places :
Symmetric choice reduction at 6 with 7 rule applications. Total rules 489 place count 115 transition count 1451
Iterating global reduction 6 with 7 rules applied. Total rules applied 496 place count 115 transition count 1451
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 502 place count 115 transition count 1445
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 504 place count 114 transition count 1444
Free-agglomeration rule applied 23 times.
Iterating global reduction 7 with 23 rules applied. Total rules applied 527 place count 114 transition count 1421
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 7 with 23 rules applied. Total rules applied 550 place count 91 transition count 1421
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 8 with 10 rules applied. Total rules applied 560 place count 91 transition count 1411
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 8 with 8 rules applied. Total rules applied 568 place count 91 transition count 1411
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 569 place count 90 transition count 1410
Applied a total of 569 rules in 892 ms. Remains 90 /352 variables (removed 262) and now considering 1410/1779 (removed 369) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 893 ms. Remains : 90/352 places, 1410/1779 transitions.
RANDOM walk for 40000 steps (282 resets) in 1568 ms. (25 steps per ms) remains 22/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 21/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (11 resets) in 28 ms. (138 steps per ms) remains 20/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4002 steps (8 resets) in 24 ms. (160 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (9 resets) in 25 ms. (154 steps per ms) remains 19/20 properties
BEST_FIRST walk for 4003 steps (10 resets) in 22 ms. (174 steps per ms) remains 18/19 properties
BEST_FIRST walk for 4004 steps (10 resets) in 22 ms. (174 steps per ms) remains 17/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 15/17 properties
BEST_FIRST walk for 4004 steps (10 resets) in 22 ms. (174 steps per ms) remains 14/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 22 ms. (174 steps per ms) remains 13/14 properties
BEST_FIRST walk for 4003 steps (10 resets) in 20 ms. (190 steps per ms) remains 12/13 properties
BEST_FIRST walk for 4003 steps (12 resets) in 25 ms. (153 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4003 steps (9 resets) in 18 ms. (210 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4003 steps (10 resets) in 29 ms. (133 steps per ms) remains 11/12 properties
BEST_FIRST walk for 4004 steps (12 resets) in 22 ms. (174 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4003 steps (9 resets) in 19 ms. (200 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 10/11 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 10/10 properties
// Phase 1: matrix 1410 rows 90 cols
[2024-06-01 07:51:33] [INFO ] Computed 15 invariants in 16 ms
[2024-06-01 07:51:33] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 54/85 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 1407/1492 variables, 85/98 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1492 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 8/1500 variables, 5/103 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1500 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1500 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1500 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 0/1500 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1500/1500 variables, and 106 constraints, problems are : Problem set: 0 solved, 10 unsolved in 1360 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 90/90 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 10/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 54/85 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 1407/1492 variables, 85/98 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1492 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 8/1500 variables, 5/103 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1500 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1500 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1500 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 0/1500 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1500/1500 variables, and 106 constraints, problems are : Problem set: 0 solved, 10 unsolved in 1593 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 90/90 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 10/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 3260ms problems are : Problem set: 0 solved, 10 unsolved
Parikh walk visited 1 properties in 7450 ms.
Support contains 31 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 1410/1410 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 88 transition count 1408
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 5 place count 87 transition count 1407
Applied a total of 5 rules in 170 ms. Remains 87 /90 variables (removed 3) and now considering 1407/1410 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 170 ms. Remains : 87/90 places, 1407/1410 transitions.
RANDOM walk for 40000 steps (269 resets) in 1423 ms. (28 steps per ms) remains 7/9 properties
BEST_FIRST walk for 40004 steps (36 resets) in 180 ms. (221 steps per ms) remains 6/7 properties
BEST_FIRST walk for 40004 steps (55 resets) in 169 ms. (235 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40004 steps (124 resets) in 167 ms. (238 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (76 resets) in 134 ms. (296 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (62 resets) in 118 ms. (336 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40002 steps (59 resets) in 96 ms. (412 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40002 steps (82 resets) in 86 ms. (459 steps per ms) remains 3/3 properties
// Phase 1: matrix 1407 rows 87 cols
[2024-06-01 07:51:44] [INFO ] Computed 15 invariants in 17 ms
[2024-06-01 07:51:45] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 66/82 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1404/1486 variables, 82/95 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1486 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 8/1494 variables, 5/100 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1494 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1494 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1494 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/1494 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1494/1494 variables, and 103 constraints, problems are : Problem set: 0 solved, 3 unsolved in 942 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 87/87 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 66/82 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1404/1486 variables, 82/95 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1486 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 8/1494 variables, 5/100 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1494 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1494 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1494 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/1494 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1494/1494 variables, and 103 constraints, problems are : Problem set: 0 solved, 3 unsolved in 869 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 87/87 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1920ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 1571 ms.
Support contains 16 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 1407/1407 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 18 place count 78 transition count 1398
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 77 transition count 1387
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 77 transition count 1387
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 76 transition count 1386
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 24 place count 76 transition count 1384
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 46 place count 74 transition count 1364
Applied a total of 46 rules in 232 ms. Remains 74 /87 variables (removed 13) and now considering 1364/1407 (removed 43) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 232 ms. Remains : 74/87 places, 1364/1407 transitions.
RANDOM walk for 40000 steps (106 resets) in 1517 ms. (26 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40004 steps (119 resets) in 111 ms. (357 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (119 resets) in 132 ms. (300 steps per ms) remains 2/2 properties
// Phase 1: matrix 1364 rows 74 cols
[2024-06-01 07:51:49] [INFO ] Computed 15 invariants in 11 ms
[2024-06-01 07:51:49] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 24/29 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1329/1358 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1358 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 80/1438 variables, 45/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1438 variables, 10/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1438 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 07:51:51] [INFO ] Deduced a trap composed of 7 places in 1157 ms of which 1 ms to minimize.
[2024-06-01 07:51:52] [INFO ] Deduced a trap composed of 6 places in 1115 ms of which 1 ms to minimize.
[2024-06-01 07:51:53] [INFO ] Deduced a trap composed of 7 places in 1016 ms of which 1 ms to minimize.
[2024-06-01 07:51:54] [INFO ] Deduced a trap composed of 6 places in 994 ms of which 2 ms to minimize.
[2024-06-01 07:51:55] [INFO ] Deduced a trap composed of 6 places in 997 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/1438 variables, 5/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1438 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/1438 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1438/1438 variables, and 95 constraints, problems are : Problem set: 0 solved, 2 unsolved in 6229 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 74/74 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 24/29 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1329/1358 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1358 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 80/1438 variables, 45/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1438 variables, 10/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1438 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1438 variables, 5/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 07:51:57] [INFO ] Deduced a trap composed of 6 places in 1054 ms of which 1 ms to minimize.
[2024-06-01 07:51:58] [INFO ] Deduced a trap composed of 6 places in 985 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/1438 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1438 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/1438 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1438/1438 variables, and 97 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2803 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 74/74 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 7/7 constraints]
After SMT, in 9091ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 540 ms.
Support contains 5 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 1364/1364 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 74 transition count 1363
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 73 transition count 1363
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 72 transition count 1362
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 22 place count 63 transition count 1353
Applied a total of 22 rules in 170 ms. Remains 63 /74 variables (removed 11) and now considering 1353/1364 (removed 11) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 170 ms. Remains : 63/74 places, 1353/1364 transitions.
RANDOM walk for 40000 steps (134 resets) in 1176 ms. (33 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (149 resets) in 71 ms. (555 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (149 resets) in 67 ms. (588 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 419449 steps, run timeout after 3001 ms. (steps per millisecond=139 ) properties seen :0 out of 2
Probabilistic random walk after 419449 steps, saw 61483 distinct states, run finished after 3006 ms. (steps per millisecond=139 ) properties seen :0
// Phase 1: matrix 1353 rows 63 cols
[2024-06-01 07:52:02] [INFO ] Computed 15 invariants in 9 ms
[2024-06-01 07:52:02] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 21/26 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1326/1352 variables, 26/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1352 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 64/1416 variables, 37/68 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1416 variables, 10/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1416 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1416 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/1416 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1416/1416 variables, and 79 constraints, problems are : Problem set: 0 solved, 2 unsolved in 754 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 63/63 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 21/26 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1326/1352 variables, 26/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1352 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 64/1416 variables, 37/68 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1416 variables, 10/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1416 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1416 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/1416 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1416/1416 variables, and 79 constraints, problems are : Problem set: 0 solved, 2 unsolved in 641 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 63/63 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1448ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 176 ms.
Support contains 5 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 1353/1353 transitions.
Applied a total of 0 rules in 96 ms. Remains 63 /63 variables (removed 0) and now considering 1353/1353 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 97 ms. Remains : 63/63 places, 1353/1353 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 1353/1353 transitions.
Applied a total of 0 rules in 97 ms. Remains 63 /63 variables (removed 0) and now considering 1353/1353 (removed 0) transitions.
[2024-06-01 07:52:04] [INFO ] Invariant cache hit.
[2024-06-01 07:52:04] [INFO ] Implicit Places using invariants in 698 ms returned []
[2024-06-01 07:52:05] [INFO ] Invariant cache hit.
[2024-06-01 07:52:05] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 07:52:06] [INFO ] Implicit Places using invariants and state equation in 1151 ms returned [58, 62]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Implicit Place search using SMT with State Equation took 1855 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 61/63 places, 1352/1353 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 60 transition count 1351
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 60 transition count 1350
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 59 transition count 1350
Applied a total of 4 rules in 220 ms. Remains 59 /61 variables (removed 2) and now considering 1350/1352 (removed 2) transitions.
// Phase 1: matrix 1350 rows 59 cols
[2024-06-01 07:52:06] [INFO ] Computed 13 invariants in 7 ms
[2024-06-01 07:52:07] [INFO ] Implicit Places using invariants in 643 ms returned []
[2024-06-01 07:52:07] [INFO ] Invariant cache hit.
[2024-06-01 07:52:07] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 07:52:08] [INFO ] Implicit Places using invariants and state equation in 1189 ms returned []
Implicit Place search using SMT with State Equation took 1835 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 59/63 places, 1350/1353 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 4008 ms. Remains : 59/63 places, 1350/1353 transitions.
RANDOM walk for 40000 steps (57 resets) in 1814 ms. (22 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (151 resets) in 66 ms. (597 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (148 resets) in 65 ms. (606 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 457413 steps, run timeout after 3001 ms. (steps per millisecond=152 ) properties seen :0 out of 2
Probabilistic random walk after 457413 steps, saw 62429 distinct states, run finished after 3005 ms. (steps per millisecond=152 ) properties seen :0
[2024-06-01 07:52:11] [INFO ] Invariant cache hit.
[2024-06-01 07:52:11] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 20/25 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1326/1351 variables, 25/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1351 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1351 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 58/1409 variables, 34/66 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1409 variables, 8/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1409 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/1409 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1409/1409 variables, and 74 constraints, problems are : Problem set: 0 solved, 2 unsolved in 760 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 59/59 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 20/25 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1326/1351 variables, 25/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1351 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1351 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 58/1409 variables, 34/66 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1409 variables, 8/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1409 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/1409 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1409/1409 variables, and 74 constraints, problems are : Problem set: 0 solved, 2 unsolved in 669 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 59/59 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1490ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 179 ms.
Support contains 5 out of 59 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 1350/1350 transitions.
Applied a total of 0 rules in 97 ms. Remains 59 /59 variables (removed 0) and now considering 1350/1350 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 97 ms. Remains : 59/59 places, 1350/1350 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 1350/1350 transitions.
Applied a total of 0 rules in 101 ms. Remains 59 /59 variables (removed 0) and now considering 1350/1350 (removed 0) transitions.
[2024-06-01 07:52:13] [INFO ] Invariant cache hit.
[2024-06-01 07:52:14] [INFO ] Implicit Places using invariants in 639 ms returned []
[2024-06-01 07:52:14] [INFO ] Invariant cache hit.
[2024-06-01 07:52:14] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 07:52:15] [INFO ] Implicit Places using invariants and state equation in 1154 ms returned []
Implicit Place search using SMT with State Equation took 1795 ms to find 0 implicit places.
[2024-06-01 07:52:15] [INFO ] Redundant transitions in 137 ms returned []
Running 1348 sub problems to find dead transitions.
[2024-06-01 07:52:15] [INFO ] Invariant cache hit.
[2024-06-01 07:52:15] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1348 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1348 unsolved
At refinement iteration 2 (OVERLAPS) 1/59 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1348 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1348 unsolved
SMT process timed out in 54064ms, After SMT, problems are : Problem set: 0 solved, 1348 unsolved
Search for dead transitions found 0 dead transitions in 54083ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56129 ms. Remains : 59/59 places, 1350/1350 transitions.
Successfully simplified 2 atomic propositions for a total of 15 simplifications.
Computed a total of 53 stabilizing places and 54 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(G(p1))&&p0))))'
Support contains 4 out of 352 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 348 transition count 1775
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 348 transition count 1775
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 347 transition count 1774
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 347 transition count 1774
Applied a total of 10 rules in 37 ms. Remains 347 /352 variables (removed 5) and now considering 1774/1779 (removed 5) transitions.
// Phase 1: matrix 1774 rows 347 cols
[2024-06-01 07:53:10] [INFO ] Computed 15 invariants in 14 ms
[2024-06-01 07:53:11] [INFO ] Implicit Places using invariants in 777 ms returned []
[2024-06-01 07:53:11] [INFO ] Invariant cache hit.
[2024-06-01 07:53:12] [INFO ] Implicit Places using invariants and state equation in 1502 ms returned []
Implicit Place search using SMT with State Equation took 2291 ms to find 0 implicit places.
Running 1773 sub problems to find dead transitions.
[2024-06-01 07:53:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/346 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
At refinement iteration 1 (OVERLAPS) 1/347 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
[2024-06-01 07:54:07] [INFO ] Deduced a trap composed of 31 places in 1496 ms of which 4 ms to minimize.
[2024-06-01 07:54:08] [INFO ] Deduced a trap composed of 79 places in 1329 ms of which 4 ms to minimize.
SMT process timed out in 56393ms, After SMT, problems are : Problem set: 0 solved, 1773 unsolved
Search for dead transitions found 0 dead transitions in 56417ms
Starting structural reductions in LTL mode, iteration 1 : 347/352 places, 1774/1779 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58754 ms. Remains : 347/352 places, 1774/1779 transitions.
Stuttering acceptance computed with spot in 311 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-00
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 2 ms.
FORMULA AutonomousCar-PT-10b-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-10b-LTLFireability-00 finished in 59157 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0&&(p1||G(p0))))||X(F(p2))))'
Support contains 6 out of 352 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 348 transition count 1775
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 348 transition count 1775
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 347 transition count 1774
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 347 transition count 1774
Applied a total of 10 rules in 33 ms. Remains 347 /352 variables (removed 5) and now considering 1774/1779 (removed 5) transitions.
[2024-06-01 07:54:09] [INFO ] Invariant cache hit.
[2024-06-01 07:54:09] [INFO ] Implicit Places using invariants in 445 ms returned []
[2024-06-01 07:54:09] [INFO ] Invariant cache hit.
[2024-06-01 07:54:10] [INFO ] Implicit Places using invariants and state equation in 1085 ms returned []
Implicit Place search using SMT with State Equation took 1532 ms to find 0 implicit places.
Running 1773 sub problems to find dead transitions.
[2024-06-01 07:54:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/346 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
At refinement iteration 1 (OVERLAPS) 1/347 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
[2024-06-01 07:55:05] [INFO ] Deduced a trap composed of 31 places in 1511 ms of which 4 ms to minimize.
[2024-06-01 07:55:06] [INFO ] Deduced a trap composed of 79 places in 1372 ms of which 4 ms to minimize.
[2024-06-01 07:55:07] [INFO ] Deduced a trap composed of 22 places in 1336 ms of which 3 ms to minimize.
SMT process timed out in 56989ms, After SMT, problems are : Problem set: 0 solved, 1773 unsolved
Search for dead transitions found 0 dead transitions in 57012ms
Starting structural reductions in LTL mode, iteration 1 : 347/352 places, 1774/1779 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58582 ms. Remains : 347/352 places, 1774/1779 transitions.
Stuttering acceptance computed with spot in 111 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-01
Product exploration explored 100000 steps with 763 reset in 780 ms.
Product exploration explored 100000 steps with 768 reset in 635 ms.
Computed a total of 51 stabilizing places and 52 stable transitions
Computed a total of 51 stabilizing places and 52 stable transitions
Knowledge obtained : [(AND (NOT p2) p0), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2))), (X p0), (X (NOT p2)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X p0)), (X (X (NOT p2)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 9 factoid took 120 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 196 ms :[(AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2)]
RANDOM walk for 40000 steps (281 resets) in 599 ms. (66 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (43 resets) in 135 ms. (294 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (45 resets) in 216 ms. (184 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (45 resets) in 338 ms. (118 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (45 resets) in 148 ms. (268 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (44 resets) in 118 ms. (336 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (43 resets) in 103 ms. (384 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 187768 steps, run timeout after 3001 ms. (steps per millisecond=62 ) properties seen :0 out of 6
Probabilistic random walk after 187768 steps, saw 36009 distinct states, run finished after 3001 ms. (steps per millisecond=62 ) properties seen :0
[2024-06-01 07:55:13] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem apf4 is UNSAT
At refinement iteration 1 (OVERLAPS) 105/111 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 236/347 variables, 10/15 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 1774/2121 variables, 347/362 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2121 variables, 0/362 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/2121 variables, 0/362 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2121/2121 variables, and 362 constraints, problems are : Problem set: 1 solved, 5 unsolved in 984 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 347/347 constraints, PredecessorRefiner: 6/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 105/111 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 236/347 variables, 10/15 constraints. Problems are: Problem set: 1 solved, 5 unsolved
[2024-06-01 07:55:15] [INFO ] Deduced a trap composed of 31 places in 1245 ms of which 3 ms to minimize.
[2024-06-01 07:55:17] [INFO ] Deduced a trap composed of 31 places in 1180 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 2/17 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/347 variables, 0/17 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 1774/2121 variables, 347/364 constraints. Problems are: Problem set: 1 solved, 5 unsolved
[2024-06-01 07:55:19] [INFO ] Deduced a trap composed of 31 places in 952 ms of which 3 ms to minimize.
[2024-06-01 07:55:20] [INFO ] Deduced a trap composed of 31 places in 950 ms of which 3 ms to minimize.
SMT process timed out in 6589ms, After SMT, problems are : Problem set: 1 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 347 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 347/347 places, 1774/1774 transitions.
Graph (trivial) has 328 edges and 347 vertex of which 4 / 347 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Graph (complete) has 1862 edges and 345 vertex of which 343 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.6 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 126 transitions
Trivial Post-agglo rules discarded 126 transitions
Performed 126 trivial Post agglomeration. Transition count delta: 126
Iterating post reduction 0 with 128 rules applied. Total rules applied 130 place count 343 transition count 1642
Reduce places removed 126 places and 0 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 1 with 185 rules applied. Total rules applied 315 place count 217 transition count 1583
Reduce places removed 35 places and 0 transitions.
Iterating post reduction 2 with 35 rules applied. Total rules applied 350 place count 182 transition count 1583
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 350 place count 182 transition count 1577
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 362 place count 176 transition count 1577
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Deduced a syphon composed of 80 places in 1 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 3 with 160 rules applied. Total rules applied 522 place count 96 transition count 1497
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 523 place count 96 transition count 1496
Discarding 19 places :
Symmetric choice reduction at 4 with 19 rule applications. Total rules 542 place count 77 transition count 1305
Iterating global reduction 4 with 19 rules applied. Total rules applied 561 place count 77 transition count 1305
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 569 place count 77 transition count 1297
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 571 place count 76 transition count 1296
Free-agglomeration rule applied 12 times.
Iterating global reduction 5 with 12 rules applied. Total rules applied 583 place count 76 transition count 1284
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 5 with 12 rules applied. Total rules applied 595 place count 64 transition count 1284
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 596 place count 64 transition count 1284
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 597 place count 63 transition count 1283
Applied a total of 597 rules in 486 ms. Remains 63 /347 variables (removed 284) and now considering 1283/1774 (removed 491) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 487 ms. Remains : 63/347 places, 1283/1774 transitions.
RANDOM walk for 40000 steps (356 resets) in 1188 ms. (33 steps per ms) remains 2/5 properties
BEST_FIRST walk for 7067 steps (3 resets) in 19 ms. (353 steps per ms) remains 0/2 properties
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) p0), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2))), (X p0), (X (NOT p2)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X p0)), (X (X (NOT p2))), (G (OR p0 (NOT p2)))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) (NOT p2)))), (F (NOT p0)), (F p2), (F (NOT (AND p0 (NOT p2)))), (F (NOT (OR p0 p2)))]
Knowledge based reduction with 10 factoid took 287 ms. Reduced automaton from 5 states, 13 edges and 2 AP (stutter insensitive) to 7 states, 17 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 253 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false]
Stuttering acceptance computed with spot in 248 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false]
Support contains 6 out of 347 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 347/347 places, 1774/1774 transitions.
Graph (trivial) has 307 edges and 347 vertex of which 4 / 347 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 125 transitions
Trivial Post-agglo rules discarded 125 transitions
Performed 125 trivial Post agglomeration. Transition count delta: 125
Iterating post reduction 0 with 125 rules applied. Total rules applied 126 place count 344 transition count 1646
Reduce places removed 125 places and 0 transitions.
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 34 transitions
Trivial Post-agglo rules discarded 34 transitions
Performed 34 trivial Post agglomeration. Transition count delta: 34
Iterating post reduction 1 with 182 rules applied. Total rules applied 308 place count 219 transition count 1589
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 2 with 34 rules applied. Total rules applied 342 place count 185 transition count 1589
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 342 place count 185 transition count 1584
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 352 place count 180 transition count 1584
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 353 place count 179 transition count 1583
Iterating global reduction 3 with 1 rules applied. Total rules applied 354 place count 179 transition count 1583
Performed 69 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 69 places in 1 ms
Reduce places removed 69 places and 0 transitions.
Iterating global reduction 3 with 138 rules applied. Total rules applied 492 place count 110 transition count 1513
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 493 place count 110 transition count 1512
Discarding 13 places :
Symmetric choice reduction at 4 with 13 rule applications. Total rules 506 place count 97 transition count 1387
Iterating global reduction 4 with 13 rules applied. Total rules applied 519 place count 97 transition count 1387
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 527 place count 97 transition count 1379
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 531 place count 95 transition count 1377
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 533 place count 95 transition count 1377
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 535 place count 93 transition count 1375
Applied a total of 535 rules in 605 ms. Remains 93 /347 variables (removed 254) and now considering 1375/1774 (removed 399) transitions.
// Phase 1: matrix 1375 rows 93 cols
[2024-06-01 07:55:22] [INFO ] Computed 14 invariants in 9 ms
[2024-06-01 07:55:22] [INFO ] Implicit Places using invariants in 350 ms returned []
[2024-06-01 07:55:22] [INFO ] Invariant cache hit.
[2024-06-01 07:55:23] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 07:55:23] [INFO ] Implicit Places using invariants and state equation in 868 ms returned [88, 92]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1223 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 91/347 places, 1375/1774 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 90 transition count 1374
Applied a total of 2 rules in 109 ms. Remains 90 /91 variables (removed 1) and now considering 1374/1375 (removed 1) transitions.
// Phase 1: matrix 1374 rows 90 cols
[2024-06-01 07:55:23] [INFO ] Computed 12 invariants in 12 ms
[2024-06-01 07:55:24] [INFO ] Implicit Places using invariants in 350 ms returned []
[2024-06-01 07:55:24] [INFO ] Invariant cache hit.
[2024-06-01 07:55:24] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 07:55:24] [INFO ] Implicit Places using invariants and state equation in 859 ms returned []
Implicit Place search using SMT with State Equation took 1217 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 90/347 places, 1374/1774 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3155 ms. Remains : 90/347 places, 1374/1774 transitions.
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Knowledge obtained : [(AND (NOT p2) p0), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2))), (X (NOT (AND p0 p2))), (X p0), (X (NOT (AND (NOT p0) p2))), (X (NOT p2)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT p2)))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 143 ms. Reduced automaton from 7 states, 17 edges and 2 AP (stutter insensitive) to 7 states, 18 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 257 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p2) (NOT p0)), false, false]
RANDOM walk for 40000 steps (1412 resets) in 1933 ms. (20 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (111 resets) in 126 ms. (314 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (112 resets) in 148 ms. (268 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (109 resets) in 141 ms. (281 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (117 resets) in 156 ms. (254 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (107 resets) in 173 ms. (229 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (114 resets) in 121 ms. (327 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 289397 steps, run timeout after 3001 ms. (steps per millisecond=96 ) properties seen :0 out of 6
Probabilistic random walk after 289397 steps, saw 47995 distinct states, run finished after 3001 ms. (steps per millisecond=96 ) properties seen :0
[2024-06-01 07:55:29] [INFO ] Invariant cache hit.
[2024-06-01 07:55:29] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem apf3 is UNSAT
At refinement iteration 1 (OVERLAPS) 26/32 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 1323/1355 variables, 32/36 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1355 variables, 0/36 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 107/1462 variables, 57/93 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1462 variables, 8/101 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1462 variables, 0/101 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 1/1463 variables, 1/102 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1463 variables, 0/102 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 1/1464 variables, 1/103 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1464 variables, 0/103 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 0/1464 variables, 0/103 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1464/1464 variables, and 103 constraints, problems are : Problem set: 1 solved, 5 unsolved in 830 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 90/90 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 26/32 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 1323/1355 variables, 32/36 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1355 variables, 0/36 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 107/1462 variables, 57/93 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1462 variables, 8/101 constraints. Problems are: Problem set: 1 solved, 5 unsolved
[2024-06-01 07:55:31] [INFO ] Deduced a trap composed of 7 places in 988 ms of which 2 ms to minimize.
[2024-06-01 07:55:32] [INFO ] Deduced a trap composed of 7 places in 958 ms of which 2 ms to minimize.
[2024-06-01 07:55:33] [INFO ] Deduced a trap composed of 7 places in 958 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/1462 variables, 3/104 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1462 variables, 0/104 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 1/1463 variables, 1/105 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1463 variables, 0/105 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 1/1464 variables, 1/106 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1464 variables, 0/106 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 0/1464 variables, 0/106 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1464/1464 variables, and 106 constraints, problems are : Problem set: 1 solved, 5 unsolved in 4252 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 90/90 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 5/0 constraints, Known Traps: 3/3 constraints]
After SMT, in 5212ms problems are : Problem set: 1 solved, 5 unsolved
Fused 5 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 1246 ms.
Support contains 6 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 1374/1374 transitions.
Graph (complete) has 1150 edges and 90 vertex of which 89 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.6 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 3 place count 89 transition count 1371
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 3 place count 89 transition count 1370
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 88 transition count 1370
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 17 place count 82 transition count 1364
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 23 place count 76 transition count 1298
Iterating global reduction 1 with 6 rules applied. Total rules applied 29 place count 76 transition count 1298
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 37 place count 72 transition count 1294
Free-agglomeration rule applied 12 times.
Iterating global reduction 1 with 12 rules applied. Total rules applied 49 place count 72 transition count 1282
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 61 place count 60 transition count 1282
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 62 place count 60 transition count 1283
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 63 place count 59 transition count 1283
Applied a total of 63 rules in 359 ms. Remains 59 /90 variables (removed 31) and now considering 1283/1374 (removed 91) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 359 ms. Remains : 59/90 places, 1283/1374 transitions.
RANDOM walk for 40000 steps (537 resets) in 1666 ms. (23 steps per ms) remains 2/5 properties
BEST_FIRST walk for 8253 steps (6 resets) in 28 ms. (284 steps per ms) remains 0/2 properties
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) p0), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2))), (X (NOT (AND p0 p2))), (X p0), (X (NOT (AND (NOT p0) p2))), (X (NOT p2)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT p2))), (G (OR p0 (NOT p2)))]
False Knowledge obtained : [(F (NOT p0)), (F p2), (F (NOT (OR p0 p2))), (F (NOT (OR (NOT p0) (NOT p2)))), (F (NOT (AND p0 (NOT p2))))]
Knowledge based reduction with 14 factoid took 385 ms. Reduced automaton from 7 states, 18 edges and 2 AP (stutter insensitive) to 7 states, 17 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 260 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false]
Stuttering acceptance computed with spot in 256 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false]
Stuttering acceptance computed with spot in 255 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false]
Product exploration explored 100000 steps with 1416 reset in 721 ms.
Product exploration explored 100000 steps with 785 reset in 664 ms.
Support contains 6 out of 90 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 90/90 places, 1374/1374 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 90 transition count 1373
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 89 transition count 1373
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 14 place count 83 transition count 1367
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 20 place count 77 transition count 1301
Iterating global reduction 0 with 6 rules applied. Total rules applied 26 place count 77 transition count 1301
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 34 place count 73 transition count 1297
Applied a total of 34 rules in 183 ms. Remains 73 /90 variables (removed 17) and now considering 1297/1374 (removed 77) transitions.
// Phase 1: matrix 1297 rows 73 cols
[2024-06-01 07:55:39] [INFO ] Computed 12 invariants in 9 ms
[2024-06-01 07:55:40] [INFO ] Implicit Places using invariants in 637 ms returned []
[2024-06-01 07:55:40] [INFO ] Invariant cache hit.
[2024-06-01 07:55:40] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 07:55:41] [INFO ] Implicit Places using invariants and state equation in 1128 ms returned []
Implicit Place search using SMT with State Equation took 1767 ms to find 0 implicit places.
[2024-06-01 07:55:41] [INFO ] Redundant transitions in 151 ms returned [48]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 1293 sub problems to find dead transitions.
// Phase 1: matrix 1296 rows 73 cols
[2024-06-01 07:55:41] [INFO ] Computed 12 invariants in 10 ms
[2024-06-01 07:55:41] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
At refinement iteration 2 (OVERLAPS) 1/72 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1367/1369 variables, and 84 constraints, problems are : Problem set: 0 solved, 1293 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 72/73 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1293/48 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1293 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
At refinement iteration 2 (OVERLAPS) 1/72 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
At refinement iteration 4 (OVERLAPS) 1295/1367 variables, 72/84 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1367 variables, 48/132 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1367/1369 variables, and 132 constraints, problems are : Problem set: 0 solved, 1293 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 72/73 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1293/48 constraints, Known Traps: 0/0 constraints]
After SMT, in 83278ms problems are : Problem set: 0 solved, 1293 unsolved
Search for dead transitions found 0 dead transitions in 83293ms
Starting structural reductions in SI_LTL mode, iteration 1 : 73/90 places, 1296/1374 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 71 transition count 1294
Applied a total of 2 rules in 132 ms. Remains 71 /73 variables (removed 2) and now considering 1294/1296 (removed 2) transitions.
// Phase 1: matrix 1294 rows 71 cols
[2024-06-01 07:57:04] [INFO ] Computed 12 invariants in 8 ms
[2024-06-01 07:57:05] [INFO ] Implicit Places using invariants in 647 ms returned []
[2024-06-01 07:57:05] [INFO ] Invariant cache hit.
[2024-06-01 07:57:05] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 07:57:06] [INFO ] Implicit Places using invariants and state equation in 1099 ms returned []
Implicit Place search using SMT with State Equation took 1754 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 71/90 places, 1294/1374 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 87291 ms. Remains : 71/90 places, 1294/1374 transitions.
Treatment of property AutonomousCar-PT-10b-LTLFireability-01 finished in 177795 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(p0))||G((F(p1)&&F(p2)))))'
Support contains 19 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Graph (trivial) has 298 edges and 352 vertex of which 4 / 352 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 127 transitions
Trivial Post-agglo rules discarded 127 transitions
Performed 127 trivial Post agglomeration. Transition count delta: 127
Iterating post reduction 0 with 127 rules applied. Total rules applied 128 place count 349 transition count 1649
Reduce places removed 127 places and 0 transitions.
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 1 with 181 rules applied. Total rules applied 309 place count 222 transition count 1595
Reduce places removed 32 places and 0 transitions.
Iterating post reduction 2 with 32 rules applied. Total rules applied 341 place count 190 transition count 1595
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 341 place count 190 transition count 1587
Deduced a syphon composed of 8 places in 2 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 357 place count 182 transition count 1587
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 360 place count 179 transition count 1584
Iterating global reduction 3 with 3 rules applied. Total rules applied 363 place count 179 transition count 1584
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 364 place count 178 transition count 1574
Iterating global reduction 3 with 1 rules applied. Total rules applied 365 place count 178 transition count 1574
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 3 with 2 rules applied. Total rules applied 367 place count 178 transition count 1572
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 368 place count 177 transition count 1572
Performed 62 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 62 places in 0 ms
Reduce places removed 62 places and 0 transitions.
Iterating global reduction 5 with 124 rules applied. Total rules applied 492 place count 115 transition count 1509
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 493 place count 115 transition count 1508
Discarding 11 places :
Symmetric choice reduction at 6 with 11 rule applications. Total rules 504 place count 104 transition count 1406
Iterating global reduction 6 with 11 rules applied. Total rules applied 515 place count 104 transition count 1406
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 6 with 9 rules applied. Total rules applied 524 place count 104 transition count 1397
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 528 place count 102 transition count 1395
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 530 place count 100 transition count 1393
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 531 place count 99 transition count 1393
Applied a total of 531 rules in 338 ms. Remains 99 /352 variables (removed 253) and now considering 1393/1779 (removed 386) transitions.
// Phase 1: matrix 1393 rows 99 cols
[2024-06-01 07:57:07] [INFO ] Computed 13 invariants in 8 ms
[2024-06-01 07:57:07] [INFO ] Implicit Places using invariants in 175 ms returned []
[2024-06-01 07:57:07] [INFO ] Invariant cache hit.
[2024-06-01 07:57:08] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 07:57:08] [INFO ] Implicit Places using invariants and state equation in 611 ms returned [94, 98]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 792 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 97/352 places, 1393/1779 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 96 transition count 1392
Applied a total of 2 rules in 99 ms. Remains 96 /97 variables (removed 1) and now considering 1392/1393 (removed 1) transitions.
// Phase 1: matrix 1392 rows 96 cols
[2024-06-01 07:57:08] [INFO ] Computed 11 invariants in 8 ms
[2024-06-01 07:57:08] [INFO ] Implicit Places using invariants in 174 ms returned []
[2024-06-01 07:57:08] [INFO ] Invariant cache hit.
[2024-06-01 07:57:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 07:57:09] [INFO ] Implicit Places using invariants and state equation in 681 ms returned []
Implicit Place search using SMT with State Equation took 861 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 96/352 places, 1392/1779 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2090 ms. Remains : 96/352 places, 1392/1779 transitions.
Stuttering acceptance computed with spot in 115 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-03
Stuttering criterion allowed to conclude after 29 steps with 0 reset in 1 ms.
FORMULA AutonomousCar-PT-10b-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-10b-LTLFireability-03 finished in 2231 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(G(p1))))'
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 350 transition count 1777
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 350 transition count 1777
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 349 transition count 1776
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 349 transition count 1776
Applied a total of 6 rules in 34 ms. Remains 349 /352 variables (removed 3) and now considering 1776/1779 (removed 3) transitions.
// Phase 1: matrix 1776 rows 349 cols
[2024-06-01 07:57:09] [INFO ] Computed 15 invariants in 11 ms
[2024-06-01 07:57:10] [INFO ] Implicit Places using invariants in 768 ms returned []
[2024-06-01 07:57:10] [INFO ] Invariant cache hit.
[2024-06-01 07:57:11] [INFO ] Implicit Places using invariants and state equation in 1546 ms returned []
Implicit Place search using SMT with State Equation took 2316 ms to find 0 implicit places.
Running 1775 sub problems to find dead transitions.
[2024-06-01 07:57:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1775 unsolved
At refinement iteration 1 (OVERLAPS) 1/349 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1775 unsolved
[2024-06-01 07:58:06] [INFO ] Deduced a trap composed of 23 places in 1526 ms of which 4 ms to minimize.
[2024-06-01 07:58:08] [INFO ] Deduced a trap composed of 32 places in 1465 ms of which 4 ms to minimize.
SMT process timed out in 56706ms, After SMT, problems are : Problem set: 0 solved, 1775 unsolved
Search for dead transitions found 0 dead transitions in 56726ms
Starting structural reductions in LTL mode, iteration 1 : 349/352 places, 1776/1779 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 59080 ms. Remains : 349/352 places, 1776/1779 transitions.
Stuttering acceptance computed with spot in 123 ms :[(NOT p1), true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-10b-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-10b-LTLFireability-04 finished in 59224 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0) U (G((F(p0)||G(!p1)))||((F(p0)||G(!p1))&&(G(!p1)||(!p1&&F(p2))))))))'
Support contains 20 out of 352 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 349 transition count 1776
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 349 transition count 1776
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 348 transition count 1775
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 348 transition count 1775
Applied a total of 8 rules in 29 ms. Remains 348 /352 variables (removed 4) and now considering 1775/1779 (removed 4) transitions.
// Phase 1: matrix 1775 rows 348 cols
[2024-06-01 07:58:08] [INFO ] Computed 15 invariants in 11 ms
[2024-06-01 07:58:08] [INFO ] Implicit Places using invariants in 241 ms returned []
[2024-06-01 07:58:08] [INFO ] Invariant cache hit.
[2024-06-01 07:58:09] [INFO ] Implicit Places using invariants and state equation in 923 ms returned []
Implicit Place search using SMT with State Equation took 1168 ms to find 0 implicit places.
Running 1774 sub problems to find dead transitions.
[2024-06-01 07:58:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/347 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1774 unsolved
At refinement iteration 1 (OVERLAPS) 1/348 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1774 unsolved
[2024-06-01 07:59:04] [INFO ] Deduced a trap composed of 31 places in 1392 ms of which 6 ms to minimize.
[2024-06-01 07:59:06] [INFO ] Deduced a trap composed of 25 places in 1319 ms of which 3 ms to minimize.
SMT process timed out in 56291ms, After SMT, problems are : Problem set: 0 solved, 1774 unsolved
Search for dead transitions found 0 dead transitions in 56312ms
Starting structural reductions in LTL mode, iteration 1 : 348/352 places, 1775/1779 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 57513 ms. Remains : 348/352 places, 1775/1779 transitions.
Stuttering acceptance computed with spot in 231 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0), (AND (NOT p0) p1), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-05
Product exploration explored 100000 steps with 342 reset in 393 ms.
Product exploration explored 100000 steps with 60 reset in 295 ms.
Computed a total of 52 stabilizing places and 53 stable transitions
Computed a total of 52 stabilizing places and 53 stable transitions
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p1) (NOT p2))), (X p0), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 168 ms. Reduced automaton from 6 states, 11 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 153 ms :[(AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) (NOT p0))]
RANDOM walk for 40000 steps (308 resets) in 600 ms. (66 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (44 resets) in 219 ms. (181 steps per ms) remains 3/5 properties
BEST_FIRST walk for 40003 steps (57 resets) in 259 ms. (153 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40002 steps (59 resets) in 139 ms. (285 steps per ms) remains 1/2 properties
[2024-06-01 07:59:07] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf1 is UNSAT
After SMT solving in domain Real declared 297/2123 variables, and 11 constraints, problems are : Problem set: 1 solved, 0 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 11/15 constraints, State Equation: 0/348 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 109ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p1) (NOT p2))), (X p0), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X p0)), (X (X (NOT p1))), (G (OR (NOT p1) p2 p0))]
False Knowledge obtained : [(F p1), (F p2), (F (NOT (OR p2 p0))), (F (NOT p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 15 factoid took 16 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutonomousCar-PT-10b-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutonomousCar-PT-10b-LTLFireability-05 finished in 59440 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Graph (trivial) has 332 edges and 352 vertex of which 4 / 352 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 128 transitions
Trivial Post-agglo rules discarded 128 transitions
Performed 128 trivial Post agglomeration. Transition count delta: 128
Iterating post reduction 0 with 128 rules applied. Total rules applied 129 place count 349 transition count 1648
Reduce places removed 128 places and 0 transitions.
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 34 transitions
Trivial Post-agglo rules discarded 34 transitions
Performed 34 trivial Post agglomeration. Transition count delta: 34
Iterating post reduction 1 with 185 rules applied. Total rules applied 314 place count 221 transition count 1591
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 2 with 34 rules applied. Total rules applied 348 place count 187 transition count 1591
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 348 place count 187 transition count 1584
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 362 place count 180 transition count 1584
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 365 place count 177 transition count 1581
Iterating global reduction 3 with 3 rules applied. Total rules applied 368 place count 177 transition count 1581
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 369 place count 176 transition count 1571
Iterating global reduction 3 with 1 rules applied. Total rules applied 370 place count 176 transition count 1571
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 3 with 2 rules applied. Total rules applied 372 place count 176 transition count 1569
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 373 place count 175 transition count 1569
Performed 77 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 77 places in 0 ms
Reduce places removed 77 places and 0 transitions.
Iterating global reduction 5 with 154 rules applied. Total rules applied 527 place count 98 transition count 1491
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 528 place count 98 transition count 1490
Discarding 19 places :
Symmetric choice reduction at 6 with 19 rule applications. Total rules 547 place count 79 transition count 1300
Iterating global reduction 6 with 19 rules applied. Total rules applied 566 place count 79 transition count 1300
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 6 with 9 rules applied. Total rules applied 575 place count 79 transition count 1291
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 579 place count 77 transition count 1289
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 580 place count 76 transition count 1288
Applied a total of 580 rules in 400 ms. Remains 76 /352 variables (removed 276) and now considering 1288/1779 (removed 491) transitions.
// Phase 1: matrix 1288 rows 76 cols
[2024-06-01 07:59:08] [INFO ] Computed 14 invariants in 9 ms
[2024-06-01 07:59:09] [INFO ] Implicit Places using invariants in 643 ms returned []
[2024-06-01 07:59:09] [INFO ] Invariant cache hit.
[2024-06-01 07:59:09] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 07:59:10] [INFO ] Implicit Places using invariants and state equation in 1136 ms returned [71, 75]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1784 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 74/352 places, 1288/1779 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 73 transition count 1287
Applied a total of 2 rules in 127 ms. Remains 73 /74 variables (removed 1) and now considering 1287/1288 (removed 1) transitions.
// Phase 1: matrix 1287 rows 73 cols
[2024-06-01 07:59:10] [INFO ] Computed 12 invariants in 16 ms
[2024-06-01 07:59:10] [INFO ] Implicit Places using invariants in 663 ms returned []
[2024-06-01 07:59:10] [INFO ] Invariant cache hit.
[2024-06-01 07:59:11] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 07:59:12] [INFO ] Implicit Places using invariants and state equation in 1058 ms returned []
Implicit Place search using SMT with State Equation took 1726 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 73/352 places, 1287/1779 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4038 ms. Remains : 73/352 places, 1287/1779 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-06
Product exploration explored 100000 steps with 309 reset in 343 ms.
Product exploration explored 100000 steps with 1097 reset in 446 ms.
Computed a total of 2 stabilizing places and 3 stable transitions
Computed a total of 2 stabilizing places and 3 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 73 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
RANDOM walk for 1290 steps (59 resets) in 23 ms. (53 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 94 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Support contains 4 out of 73 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 73/73 places, 1287/1287 transitions.
Applied a total of 0 rules in 109 ms. Remains 73 /73 variables (removed 0) and now considering 1287/1287 (removed 0) transitions.
[2024-06-01 07:59:13] [INFO ] Invariant cache hit.
[2024-06-01 07:59:13] [INFO ] Implicit Places using invariants in 616 ms returned []
[2024-06-01 07:59:13] [INFO ] Invariant cache hit.
[2024-06-01 07:59:14] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 07:59:15] [INFO ] Implicit Places using invariants and state equation in 1117 ms returned []
Implicit Place search using SMT with State Equation took 1739 ms to find 0 implicit places.
[2024-06-01 07:59:15] [INFO ] Redundant transitions in 114 ms returned [1074]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 1283 sub problems to find dead transitions.
// Phase 1: matrix 1286 rows 73 cols
[2024-06-01 07:59:15] [INFO ] Computed 12 invariants in 12 ms
[2024-06-01 07:59:15] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 2 (OVERLAPS) 1/72 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 4 (OVERLAPS) 1285/1357 variables, 72/84 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1357/1359 variables, and 84 constraints, problems are : Problem set: 0 solved, 1283 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 72/73 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1283/48 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1283 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 2 (OVERLAPS) 1/72 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 4 (OVERLAPS) 1285/1357 variables, 72/84 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1357 variables, 48/132 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1357/1359 variables, and 132 constraints, problems are : Problem set: 0 solved, 1283 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 72/73 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1283/48 constraints, Known Traps: 0/0 constraints]
After SMT, in 83945ms problems are : Problem set: 0 solved, 1283 unsolved
Search for dead transitions found 0 dead transitions in 83962ms
Starting structural reductions in SI_LTL mode, iteration 1 : 73/73 places, 1286/1287 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 71 transition count 1284
Applied a total of 2 rules in 123 ms. Remains 71 /73 variables (removed 2) and now considering 1284/1286 (removed 2) transitions.
// Phase 1: matrix 1284 rows 71 cols
[2024-06-01 08:00:39] [INFO ] Computed 12 invariants in 11 ms
[2024-06-01 08:00:39] [INFO ] Implicit Places using invariants in 642 ms returned []
[2024-06-01 08:00:39] [INFO ] Invariant cache hit.
[2024-06-01 08:00:40] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:00:40] [INFO ] Implicit Places using invariants and state equation in 1080 ms returned []
Implicit Place search using SMT with State Equation took 1725 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 71/73 places, 1284/1287 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 87782 ms. Remains : 71/73 places, 1284/1287 transitions.
Computed a total of 3 stabilizing places and 4 stable transitions
Computed a total of 3 stabilizing places and 4 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 74 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
RANDOM walk for 1214 steps (38 resets) in 25 ms. (46 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 92 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Product exploration explored 100000 steps with 243 reset in 152 ms.
Product exploration explored 100000 steps with 1687 reset in 590 ms.
Support contains 4 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 1284/1284 transitions.
Applied a total of 0 rules in 107 ms. Remains 71 /71 variables (removed 0) and now considering 1284/1284 (removed 0) transitions.
[2024-06-01 08:00:42] [INFO ] Invariant cache hit.
[2024-06-01 08:00:42] [INFO ] Implicit Places using invariants in 648 ms returned []
[2024-06-01 08:00:42] [INFO ] Invariant cache hit.
[2024-06-01 08:00:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:00:43] [INFO ] Implicit Places using invariants and state equation in 1064 ms returned []
Implicit Place search using SMT with State Equation took 1716 ms to find 0 implicit places.
[2024-06-01 08:00:43] [INFO ] Redundant transitions in 55 ms returned []
Running 1282 sub problems to find dead transitions.
[2024-06-01 08:00:43] [INFO ] Invariant cache hit.
[2024-06-01 08:00:43] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
At refinement iteration 2 (OVERLAPS) 1/71 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
At refinement iteration 4 (OVERLAPS) 1283/1354 variables, 71/83 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1354/1355 variables, and 83 constraints, problems are : Problem set: 0 solved, 1282 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 71/71 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1282/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1282 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
At refinement iteration 2 (OVERLAPS) 1/71 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
At refinement iteration 4 (OVERLAPS) 1283/1354 variables, 71/83 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1354 variables, 45/128 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1354/1355 variables, and 128 constraints, problems are : Problem set: 0 solved, 1282 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 71/71 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1282/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 83479ms problems are : Problem set: 0 solved, 1282 unsolved
Search for dead transitions found 0 dead transitions in 83494ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 85381 ms. Remains : 71/71 places, 1284/1284 transitions.
Treatment of property AutonomousCar-PT-10b-LTLFireability-06 finished in 179758 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(p1))))'
Support contains 16 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Graph (trivial) has 304 edges and 352 vertex of which 4 / 352 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 129 transitions
Trivial Post-agglo rules discarded 129 transitions
Performed 129 trivial Post agglomeration. Transition count delta: 129
Iterating post reduction 0 with 129 rules applied. Total rules applied 130 place count 349 transition count 1647
Reduce places removed 129 places and 0 transitions.
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 34 transitions
Trivial Post-agglo rules discarded 34 transitions
Performed 34 trivial Post agglomeration. Transition count delta: 34
Iterating post reduction 1 with 186 rules applied. Total rules applied 316 place count 220 transition count 1590
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 2 with 34 rules applied. Total rules applied 350 place count 186 transition count 1590
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 350 place count 186 transition count 1583
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 364 place count 179 transition count 1583
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 367 place count 176 transition count 1580
Iterating global reduction 3 with 3 rules applied. Total rules applied 370 place count 176 transition count 1580
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 371 place count 175 transition count 1570
Iterating global reduction 3 with 1 rules applied. Total rules applied 372 place count 175 transition count 1570
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 3 with 2 rules applied. Total rules applied 374 place count 175 transition count 1568
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 375 place count 174 transition count 1568
Performed 63 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 63 places in 0 ms
Reduce places removed 63 places and 0 transitions.
Iterating global reduction 5 with 126 rules applied. Total rules applied 501 place count 111 transition count 1504
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 502 place count 111 transition count 1503
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 512 place count 101 transition count 1412
Iterating global reduction 6 with 10 rules applied. Total rules applied 522 place count 101 transition count 1412
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 6 with 9 rules applied. Total rules applied 531 place count 101 transition count 1403
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 535 place count 99 transition count 1401
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 537 place count 97 transition count 1399
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 538 place count 96 transition count 1399
Applied a total of 538 rules in 373 ms. Remains 96 /352 variables (removed 256) and now considering 1399/1779 (removed 380) transitions.
// Phase 1: matrix 1399 rows 96 cols
[2024-06-01 08:02:08] [INFO ] Computed 13 invariants in 16 ms
[2024-06-01 08:02:08] [INFO ] Implicit Places using invariants in 258 ms returned []
[2024-06-01 08:02:08] [INFO ] Invariant cache hit.
[2024-06-01 08:02:08] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:02:09] [INFO ] Implicit Places using invariants and state equation in 792 ms returned [91, 95]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1056 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 94/352 places, 1399/1779 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 93 transition count 1398
Applied a total of 2 rules in 99 ms. Remains 93 /94 variables (removed 1) and now considering 1398/1399 (removed 1) transitions.
// Phase 1: matrix 1398 rows 93 cols
[2024-06-01 08:02:09] [INFO ] Computed 11 invariants in 7 ms
[2024-06-01 08:02:09] [INFO ] Implicit Places using invariants in 241 ms returned []
[2024-06-01 08:02:09] [INFO ] Invariant cache hit.
[2024-06-01 08:02:09] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:02:10] [INFO ] Implicit Places using invariants and state equation in 716 ms returned []
Implicit Place search using SMT with State Equation took 961 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 93/352 places, 1398/1779 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2490 ms. Remains : 93/352 places, 1398/1779 transitions.
Stuttering acceptance computed with spot in 53 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-07
Product exploration explored 100000 steps with 795 reset in 517 ms.
Product exploration explored 100000 steps with 3068 reset in 1399 ms.
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 172 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (1402 resets) in 1712 ms. (23 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (130 resets) in 210 ms. (189 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (126 resets) in 248 ms. (160 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40004 steps (121 resets) in 242 ms. (164 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (126 resets) in 172 ms. (231 steps per ms) remains 3/3 properties
[2024-06-01 08:02:13] [INFO ] Invariant cache hit.
[2024-06-01 08:02:13] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 60/76 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1390/1466 variables, 76/86 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1466 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 15/1481 variables, 13/99 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1481 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1481 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 8/1489 variables, 3/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1489 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 1/1490 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1490 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1/1491 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1491 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/1491 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1491/1491 variables, and 105 constraints, problems are : Problem set: 0 solved, 3 unsolved in 844 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 93/93 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf2 is UNSAT
At refinement iteration 1 (OVERLAPS) 60/76 variables, 10/10 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1390/1466 variables, 76/86 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1466 variables, 0/86 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 15/1481 variables, 13/99 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1481 variables, 1/100 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1481 variables, 0/100 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 8/1489 variables, 3/103 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1489 variables, 0/103 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 1/1490 variables, 1/104 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1490 variables, 0/104 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1/1491 variables, 1/105 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1491 variables, 0/105 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/1491 variables, 0/105 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1491/1491 variables, and 105 constraints, problems are : Problem set: 1 solved, 2 unsolved in 775 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 93/93 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1703ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 36 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=18 )
Parikh walk visited 2 properties in 9 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (G (OR p0 p1))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR (NOT p0) p1))), (F (NOT p1)), (F (NOT (AND p0 p1))), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 14 factoid took 358 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 35 ms :[(AND (NOT p0) (NOT p1))]
Support contains 16 out of 93 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 93/93 places, 1398/1398 transitions.
Applied a total of 0 rules in 81 ms. Remains 93 /93 variables (removed 0) and now considering 1398/1398 (removed 0) transitions.
[2024-06-01 08:02:15] [INFO ] Invariant cache hit.
[2024-06-01 08:02:15] [INFO ] Implicit Places using invariants in 233 ms returned []
[2024-06-01 08:02:15] [INFO ] Invariant cache hit.
[2024-06-01 08:02:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:02:16] [INFO ] Implicit Places using invariants and state equation in 679 ms returned []
Implicit Place search using SMT with State Equation took 914 ms to find 0 implicit places.
[2024-06-01 08:02:16] [INFO ] Redundant transitions in 58 ms returned [1095]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 1390 sub problems to find dead transitions.
// Phase 1: matrix 1397 rows 93 cols
[2024-06-01 08:02:16] [INFO ] Computed 11 invariants in 7 ms
[2024-06-01 08:02:16] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1390 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1390 unsolved
At refinement iteration 2 (OVERLAPS) 5/91 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 1390 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1390 unsolved
SMT process timed out in 54829ms, After SMT, problems are : Problem set: 0 solved, 1390 unsolved
Search for dead transitions found 0 dead transitions in 54845ms
Starting structural reductions in SI_LTL mode, iteration 1 : 93/93 places, 1397/1398 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 91 transition count 1395
Applied a total of 2 rules in 102 ms. Remains 91 /93 variables (removed 2) and now considering 1395/1397 (removed 2) transitions.
// Phase 1: matrix 1395 rows 91 cols
[2024-06-01 08:03:11] [INFO ] Computed 11 invariants in 7 ms
[2024-06-01 08:03:11] [INFO ] Implicit Places using invariants in 235 ms returned []
[2024-06-01 08:03:11] [INFO ] Invariant cache hit.
[2024-06-01 08:03:12] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:03:12] [INFO ] Implicit Places using invariants and state equation in 770 ms returned []
Implicit Place search using SMT with State Equation took 1007 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 91/93 places, 1395/1398 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 57017 ms. Remains : 91/93 places, 1395/1398 transitions.
Computed a total of 2 stabilizing places and 3 stable transitions
Computed a total of 2 stabilizing places and 3 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 132 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (1443 resets) in 1619 ms. (24 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (126 resets) in 184 ms. (216 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40003 steps (120 resets) in 214 ms. (186 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (133 resets) in 226 ms. (176 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (133 resets) in 131 ms. (303 steps per ms) remains 3/3 properties
[2024-06-01 08:03:13] [INFO ] Invariant cache hit.
[2024-06-01 08:03:13] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 60/76 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1390/1466 variables, 76/86 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1466 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 17/1483 variables, 13/99 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1483 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1483 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 2/1485 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1485 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 1/1486 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1486 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/1486 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1486/1486 variables, and 103 constraints, problems are : Problem set: 0 solved, 3 unsolved in 730 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 91/91 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf2 is UNSAT
At refinement iteration 1 (OVERLAPS) 60/76 variables, 10/10 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1390/1466 variables, 76/86 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1466 variables, 0/86 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 17/1483 variables, 13/99 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1483 variables, 1/100 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1483 variables, 0/100 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 2/1485 variables, 2/102 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1485 variables, 0/102 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 1/1486 variables, 1/103 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1486 variables, 0/103 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/1486 variables, 0/103 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1486/1486 variables, and 103 constraints, problems are : Problem set: 1 solved, 2 unsolved in 750 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 91/91 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1552ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 36 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=18 )
Parikh walk visited 2 properties in 3 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (G (OR p0 p1))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR (NOT p0) p1))), (F (NOT p1)), (F (NOT (AND p0 p1))), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 14 factoid took 361 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 41 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 38 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 602 reset in 414 ms.
Product exploration explored 100000 steps with 87 reset in 250 ms.
Support contains 16 out of 91 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 91/91 places, 1395/1395 transitions.
Applied a total of 0 rules in 80 ms. Remains 91 /91 variables (removed 0) and now considering 1395/1395 (removed 0) transitions.
[2024-06-01 08:03:16] [INFO ] Invariant cache hit.
[2024-06-01 08:03:16] [INFO ] Implicit Places using invariants in 210 ms returned []
[2024-06-01 08:03:16] [INFO ] Invariant cache hit.
[2024-06-01 08:03:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:03:17] [INFO ] Implicit Places using invariants and state equation in 750 ms returned []
Implicit Place search using SMT with State Equation took 966 ms to find 0 implicit places.
[2024-06-01 08:03:17] [INFO ] Redundant transitions in 58 ms returned []
Running 1389 sub problems to find dead transitions.
[2024-06-01 08:03:17] [INFO ] Invariant cache hit.
[2024-06-01 08:03:17] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/85 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1389 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1389 unsolved
At refinement iteration 2 (OVERLAPS) 5/90 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 1389 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1389 unsolved
SMT process timed out in 54731ms, After SMT, problems are : Problem set: 0 solved, 1389 unsolved
Search for dead transitions found 0 dead transitions in 54748ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 55860 ms. Remains : 91/91 places, 1395/1395 transitions.
Treatment of property AutonomousCar-PT-10b-LTLFireability-07 finished in 124504 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((G(p0) U p1))&&(G((p2 U p1))||F(p3)))))'
Support contains 20 out of 352 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 348 transition count 1775
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 348 transition count 1775
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 347 transition count 1774
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 347 transition count 1774
Applied a total of 10 rules in 30 ms. Remains 347 /352 variables (removed 5) and now considering 1774/1779 (removed 5) transitions.
// Phase 1: matrix 1774 rows 347 cols
[2024-06-01 08:04:12] [INFO ] Computed 15 invariants in 12 ms
[2024-06-01 08:04:12] [INFO ] Implicit Places using invariants in 314 ms returned []
[2024-06-01 08:04:12] [INFO ] Invariant cache hit.
[2024-06-01 08:04:13] [INFO ] Implicit Places using invariants and state equation in 955 ms returned []
Implicit Place search using SMT with State Equation took 1271 ms to find 0 implicit places.
Running 1773 sub problems to find dead transitions.
[2024-06-01 08:04:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/346 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
At refinement iteration 1 (OVERLAPS) 1/347 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
[2024-06-01 08:05:09] [INFO ] Deduced a trap composed of 31 places in 1591 ms of which 5 ms to minimize.
[2024-06-01 08:05:11] [INFO ] Deduced a trap composed of 79 places in 1372 ms of which 3 ms to minimize.
SMT process timed out in 57738ms, After SMT, problems are : Problem set: 0 solved, 1773 unsolved
Search for dead transitions found 0 dead transitions in 57759ms
Starting structural reductions in LTL mode, iteration 1 : 347/352 places, 1774/1779 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 59064 ms. Remains : 347/352 places, 1774/1779 transitions.
Stuttering acceptance computed with spot in 317 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3)), true, (NOT p0)]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-10b-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-10b-LTLFireability-08 finished in 59420 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G((p1&&F(p2)))||p0))))'
Support contains 16 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Graph (trivial) has 309 edges and 352 vertex of which 4 / 352 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 125 transitions
Trivial Post-agglo rules discarded 125 transitions
Performed 125 trivial Post agglomeration. Transition count delta: 125
Iterating post reduction 0 with 125 rules applied. Total rules applied 126 place count 349 transition count 1651
Reduce places removed 125 places and 0 transitions.
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 34 transitions
Trivial Post-agglo rules discarded 34 transitions
Performed 34 trivial Post agglomeration. Transition count delta: 34
Iterating post reduction 1 with 182 rules applied. Total rules applied 308 place count 224 transition count 1594
Reduce places removed 34 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 35 rules applied. Total rules applied 343 place count 190 transition count 1593
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 344 place count 189 transition count 1593
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 7 Pre rules applied. Total rules applied 344 place count 189 transition count 1586
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 358 place count 182 transition count 1586
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 361 place count 179 transition count 1583
Iterating global reduction 4 with 3 rules applied. Total rules applied 364 place count 179 transition count 1583
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 365 place count 178 transition count 1573
Iterating global reduction 4 with 1 rules applied. Total rules applied 366 place count 178 transition count 1573
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 4 with 2 rules applied. Total rules applied 368 place count 178 transition count 1571
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 369 place count 177 transition count 1571
Performed 66 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 66 places in 0 ms
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 6 with 132 rules applied. Total rules applied 501 place count 111 transition count 1504
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 502 place count 111 transition count 1503
Discarding 15 places :
Symmetric choice reduction at 7 with 15 rule applications. Total rules 517 place count 96 transition count 1357
Iterating global reduction 7 with 15 rules applied. Total rules applied 532 place count 96 transition count 1357
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 7 with 9 rules applied. Total rules applied 541 place count 96 transition count 1348
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 8 with 4 rules applied. Total rules applied 545 place count 94 transition count 1346
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 546 place count 93 transition count 1345
Applied a total of 546 rules in 346 ms. Remains 93 /352 variables (removed 259) and now considering 1345/1779 (removed 434) transitions.
// Phase 1: matrix 1345 rows 93 cols
[2024-06-01 08:05:12] [INFO ] Computed 14 invariants in 9 ms
[2024-06-01 08:05:12] [INFO ] Implicit Places using invariants in 362 ms returned []
[2024-06-01 08:05:12] [INFO ] Invariant cache hit.
[2024-06-01 08:05:12] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:05:13] [INFO ] Implicit Places using invariants and state equation in 844 ms returned [88, 92]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1211 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 91/352 places, 1345/1779 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 90 transition count 1344
Applied a total of 2 rules in 93 ms. Remains 90 /91 variables (removed 1) and now considering 1344/1345 (removed 1) transitions.
// Phase 1: matrix 1344 rows 90 cols
[2024-06-01 08:05:13] [INFO ] Computed 12 invariants in 9 ms
[2024-06-01 08:05:13] [INFO ] Implicit Places using invariants in 363 ms returned []
[2024-06-01 08:05:13] [INFO ] Invariant cache hit.
[2024-06-01 08:05:14] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:05:14] [INFO ] Implicit Places using invariants and state equation in 877 ms returned []
Implicit Place search using SMT with State Equation took 1242 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 90/352 places, 1344/1779 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2898 ms. Remains : 90/352 places, 1344/1779 transitions.
Stuttering acceptance computed with spot in 120 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-09
Product exploration explored 100000 steps with 584 reset in 467 ms.
Product exploration explored 100000 steps with 49 reset in 204 ms.
Computed a total of 4 stabilizing places and 5 stable transitions
Computed a total of 4 stabilizing places and 5 stable transitions
Detected a total of 4/90 stabilizing places and 5/1344 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p1 p0 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p1 (NOT p0)))), (X p0), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X p1), (X (NOT p1)), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 14 factoid took 438 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 116 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
RANDOM walk for 40000 steps (1233 resets) in 1362 ms. (29 steps per ms) remains 5/7 properties
BEST_FIRST walk for 40004 steps (102 resets) in 170 ms. (233 steps per ms) remains 1/5 properties
[2024-06-01 08:05:16] [INFO ] Invariant cache hit.
[2024-06-01 08:05:16] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 57/69 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1333/1402 variables, 69/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1402 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 20/1422 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1422 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/1424 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1424 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1424 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 8/1432 variables, 3/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1432 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/1433 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1433 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/1434 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1434 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/1434 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1434/1434 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 559 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 90/90 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf1 is UNSAT
After SMT solving in domain Int declared 69/1434 variables, and 10 constraints, problems are : Problem set: 1 solved, 0 unsolved in 35 ms.
Refiners :[Positive P Invariants (semi-flows): 10/12 constraints, State Equation: 0/90 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 624ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p1 (NOT p0)))), (X p0), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (F (OR (G p1) (G (NOT p1)))), (G (OR p1 p0))]
False Knowledge obtained : [(X p1), (X (NOT p1)), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR (NOT p1) p0))), (F (NOT (OR (NOT p1) p2 p0))), (F (NOT p1)), (F (NOT p0)), (F p2), (F (NOT (OR p2 p0)))]
Knowledge based reduction with 15 factoid took 654 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Support contains 15 out of 90 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 90/90 places, 1344/1344 transitions.
Applied a total of 0 rules in 77 ms. Remains 90 /90 variables (removed 0) and now considering 1344/1344 (removed 0) transitions.
[2024-06-01 08:05:18] [INFO ] Invariant cache hit.
[2024-06-01 08:05:18] [INFO ] Implicit Places using invariants in 349 ms returned []
[2024-06-01 08:05:18] [INFO ] Invariant cache hit.
[2024-06-01 08:05:18] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:05:19] [INFO ] Implicit Places using invariants and state equation in 832 ms returned []
Implicit Place search using SMT with State Equation took 1188 ms to find 0 implicit places.
[2024-06-01 08:05:19] [INFO ] Redundant transitions in 56 ms returned [1091]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 1339 sub problems to find dead transitions.
// Phase 1: matrix 1343 rows 90 cols
[2024-06-01 08:05:19] [INFO ] Computed 12 invariants in 8 ms
[2024-06-01 08:05:19] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1339 unsolved
At refinement iteration 1 (OVERLAPS) 2/88 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1339 unsolved
[2024-06-01 08:06:03] [INFO ] Deduced a trap composed of 38 places in 1133 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1339 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 88/1433 variables, and 13 constraints, problems are : Problem set: 0 solved, 1339 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/90 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1339/63 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1339 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1339 unsolved
At refinement iteration 1 (OVERLAPS) 2/88 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1339 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1339 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/88 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1339 unsolved
At refinement iteration 4 (OVERLAPS) 1342/1430 variables, 88/101 constraints. Problems are: Problem set: 0 solved, 1339 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1430 variables, 33/134 constraints. Problems are: Problem set: 0 solved, 1339 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1430/1433 variables, and 134 constraints, problems are : Problem set: 0 solved, 1339 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 88/90 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1309/63 constraints, Known Traps: 1/1 constraints]
After SMT, in 84248ms problems are : Problem set: 0 solved, 1339 unsolved
Search for dead transitions found 0 dead transitions in 84264ms
Starting structural reductions in SI_LTL mode, iteration 1 : 90/90 places, 1343/1344 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 88 transition count 1341
Applied a total of 2 rules in 93 ms. Remains 88 /90 variables (removed 2) and now considering 1341/1343 (removed 2) transitions.
// Phase 1: matrix 1341 rows 88 cols
[2024-06-01 08:06:43] [INFO ] Computed 12 invariants in 8 ms
[2024-06-01 08:06:44] [INFO ] Implicit Places using invariants in 359 ms returned []
[2024-06-01 08:06:44] [INFO ] Invariant cache hit.
[2024-06-01 08:06:44] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:06:44] [INFO ] Implicit Places using invariants and state equation in 825 ms returned []
Implicit Place search using SMT with State Equation took 1186 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 88/90 places, 1341/1344 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 86879 ms. Remains : 88/90 places, 1341/1344 transitions.
Computed a total of 5 stabilizing places and 6 stable transitions
Computed a total of 5 stabilizing places and 6 stable transitions
Knowledge obtained : [(AND (NOT p2) p0), (X (NOT p2)), (X (NOT (AND (NOT p2) (NOT p0)))), (X p0), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 99 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
RANDOM walk for 40000 steps (1248 resets) in 794 ms. (50 steps per ms) remains 2/3 properties
BEST_FIRST walk for 24684 steps (73 resets) in 115 ms. (212 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p2) p0), (X (NOT p2)), (X (NOT (AND (NOT p2) (NOT p0)))), (X p0), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X p0))]
False Knowledge obtained : [(F p2), (F (NOT p0)), (F (NOT (OR p2 p0)))]
Knowledge based reduction with 7 factoid took 175 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Product exploration explored 100000 steps with 423 reset in 383 ms.
Product exploration explored 100000 steps with 625 reset in 481 ms.
Support contains 15 out of 88 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 88/88 places, 1341/1341 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 86 transition count 1339
Applied a total of 1 rules in 149 ms. Remains 86 /88 variables (removed 2) and now considering 1339/1341 (removed 2) transitions.
// Phase 1: matrix 1339 rows 86 cols
[2024-06-01 08:06:46] [INFO ] Computed 12 invariants in 8 ms
[2024-06-01 08:06:47] [INFO ] Implicit Places using invariants in 337 ms returned []
[2024-06-01 08:06:47] [INFO ] Invariant cache hit.
[2024-06-01 08:06:47] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:06:48] [INFO ] Implicit Places using invariants and state equation in 854 ms returned []
Implicit Place search using SMT with State Equation took 1193 ms to find 0 implicit places.
[2024-06-01 08:06:48] [INFO ] Redundant transitions in 58 ms returned []
Running 1332 sub problems to find dead transitions.
[2024-06-01 08:06:48] [INFO ] Invariant cache hit.
[2024-06-01 08:06:48] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1332 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1332 unsolved
At refinement iteration 2 (OVERLAPS) 6/85 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 1332 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1332 unsolved
At refinement iteration 4 (OVERLAPS) 1338/1423 variables, 85/97 constraints. Problems are: Problem set: 0 solved, 1332 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1423/1425 variables, and 97 constraints, problems are : Problem set: 0 solved, 1332 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 85/86 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1332/54 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1332 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1332 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1332 unsolved
At refinement iteration 2 (OVERLAPS) 6/85 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 1332 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1332 unsolved
At refinement iteration 4 (OVERLAPS) 1338/1423 variables, 85/97 constraints. Problems are: Problem set: 0 solved, 1332 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1423 variables, 31/128 constraints. Problems are: Problem set: 0 solved, 1332 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1423/1425 variables, and 128 constraints, problems are : Problem set: 0 solved, 1332 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 85/86 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1309/54 constraints, Known Traps: 0/0 constraints]
After SMT, in 83965ms problems are : Problem set: 0 solved, 1332 unsolved
Search for dead transitions found 0 dead transitions in 83983ms
Starting structural reductions in SI_LTL mode, iteration 1 : 86/88 places, 1339/1341 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 85400 ms. Remains : 86/88 places, 1339/1341 transitions.
Treatment of property AutonomousCar-PT-10b-LTLFireability-09 finished in 180586 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F(p1)))'
Support contains 15 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Graph (trivial) has 314 edges and 352 vertex of which 4 / 352 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 130 transitions
Trivial Post-agglo rules discarded 130 transitions
Performed 130 trivial Post agglomeration. Transition count delta: 130
Iterating post reduction 0 with 130 rules applied. Total rules applied 131 place count 349 transition count 1646
Reduce places removed 130 places and 0 transitions.
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 34 transitions
Trivial Post-agglo rules discarded 34 transitions
Performed 34 trivial Post agglomeration. Transition count delta: 34
Iterating post reduction 1 with 187 rules applied. Total rules applied 318 place count 219 transition count 1589
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 2 with 34 rules applied. Total rules applied 352 place count 185 transition count 1589
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 352 place count 185 transition count 1584
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 362 place count 180 transition count 1584
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 365 place count 177 transition count 1581
Iterating global reduction 3 with 3 rules applied. Total rules applied 368 place count 177 transition count 1581
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 369 place count 176 transition count 1571
Iterating global reduction 3 with 1 rules applied. Total rules applied 370 place count 176 transition count 1571
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 3 with 2 rules applied. Total rules applied 372 place count 176 transition count 1569
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 373 place count 175 transition count 1569
Performed 68 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 68 places in 1 ms
Reduce places removed 68 places and 0 transitions.
Iterating global reduction 5 with 136 rules applied. Total rules applied 509 place count 107 transition count 1500
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 510 place count 107 transition count 1499
Discarding 15 places :
Symmetric choice reduction at 6 with 15 rule applications. Total rules 525 place count 92 transition count 1353
Iterating global reduction 6 with 15 rules applied. Total rules applied 540 place count 92 transition count 1353
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 6 with 9 rules applied. Total rules applied 549 place count 92 transition count 1344
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 553 place count 90 transition count 1342
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 555 place count 88 transition count 1340
Applied a total of 555 rules in 315 ms. Remains 88 /352 variables (removed 264) and now considering 1340/1779 (removed 439) transitions.
// Phase 1: matrix 1340 rows 88 cols
[2024-06-01 08:08:12] [INFO ] Computed 14 invariants in 7 ms
[2024-06-01 08:08:12] [INFO ] Implicit Places using invariants in 350 ms returned []
[2024-06-01 08:08:12] [INFO ] Invariant cache hit.
[2024-06-01 08:08:13] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:08:13] [INFO ] Implicit Places using invariants and state equation in 854 ms returned [83, 87]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1208 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 86/352 places, 1340/1779 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 85 transition count 1339
Applied a total of 2 rules in 90 ms. Remains 85 /86 variables (removed 1) and now considering 1339/1340 (removed 1) transitions.
// Phase 1: matrix 1339 rows 85 cols
[2024-06-01 08:08:13] [INFO ] Computed 12 invariants in 7 ms
[2024-06-01 08:08:14] [INFO ] Implicit Places using invariants in 341 ms returned []
[2024-06-01 08:08:14] [INFO ] Invariant cache hit.
[2024-06-01 08:08:14] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:08:15] [INFO ] Implicit Places using invariants and state equation in 823 ms returned []
Implicit Place search using SMT with State Equation took 1167 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 85/352 places, 1339/1779 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2782 ms. Remains : 85/352 places, 1339/1779 transitions.
Stuttering acceptance computed with spot in 103 ms :[(NOT p1), (NOT p0), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-10
Stuttering criterion allowed to conclude after 26 steps with 0 reset in 1 ms.
FORMULA AutonomousCar-PT-10b-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-10b-LTLFireability-10 finished in 2961 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X((p0||F(G((p1 U !p2)))))))))'
Support contains 21 out of 352 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 348 transition count 1775
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 348 transition count 1775
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 347 transition count 1774
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 347 transition count 1774
Applied a total of 10 rules in 32 ms. Remains 347 /352 variables (removed 5) and now considering 1774/1779 (removed 5) transitions.
// Phase 1: matrix 1774 rows 347 cols
[2024-06-01 08:08:15] [INFO ] Computed 15 invariants in 12 ms
[2024-06-01 08:08:15] [INFO ] Implicit Places using invariants in 267 ms returned []
[2024-06-01 08:08:15] [INFO ] Invariant cache hit.
[2024-06-01 08:08:16] [INFO ] Implicit Places using invariants and state equation in 950 ms returned []
Implicit Place search using SMT with State Equation took 1223 ms to find 0 implicit places.
Running 1773 sub problems to find dead transitions.
[2024-06-01 08:08:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/346 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
At refinement iteration 1 (OVERLAPS) 1/347 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
[2024-06-01 08:09:12] [INFO ] Deduced a trap composed of 31 places in 1499 ms of which 4 ms to minimize.
[2024-06-01 08:09:13] [INFO ] Deduced a trap composed of 79 places in 1319 ms of which 3 ms to minimize.
SMT process timed out in 57210ms, After SMT, problems are : Problem set: 0 solved, 1773 unsolved
Search for dead transitions found 0 dead transitions in 57231ms
Starting structural reductions in LTL mode, iteration 1 : 347/352 places, 1774/1779 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58491 ms. Remains : 347/352 places, 1774/1779 transitions.
Stuttering acceptance computed with spot in 285 ms :[(AND (NOT p0) p2), p2, p2, (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2)]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-11
Product exploration explored 100000 steps with 96 reset in 394 ms.
Product exploration explored 100000 steps with 108 reset in 316 ms.
Computed a total of 51 stabilizing places and 52 stable transitions
Computed a total of 51 stabilizing places and 52 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 81 ms. Reduced automaton from 7 states, 11 edges and 3 AP (stutter sensitive) to 7 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 274 ms :[(AND (NOT p0) p2), p2, p2, (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2)]
Reduction of identical properties reduced properties to check from 6 to 5
RANDOM walk for 40000 steps (303 resets) in 1071 ms. (37 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (40 resets) in 189 ms. (210 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (70 resets) in 256 ms. (155 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (39 resets) in 123 ms. (322 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (56 resets) in 178 ms. (223 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40003 steps (61 resets) in 189 ms. (210 steps per ms) remains 3/4 properties
[2024-06-01 08:09:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf1 is UNSAT
At refinement iteration 1 (OVERLAPS) 300/315 variables, 13/13 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/315 variables, 0/13 constraints. Problems are: Problem set: 1 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 32/347 variables, 2/15 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1774/2121 variables, 347/362 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2121 variables, 0/362 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/2121 variables, 0/362 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2121/2121 variables, and 362 constraints, problems are : Problem set: 1 solved, 2 unsolved in 793 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 347/347 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 300/315 variables, 13/13 constraints. Problems are: Problem set: 1 solved, 2 unsolved
[2024-06-01 08:09:18] [INFO ] Deduced a trap composed of 31 places in 1161 ms of which 4 ms to minimize.
[2024-06-01 08:09:19] [INFO ] Deduced a trap composed of 31 places in 1172 ms of which 8 ms to minimize.
[2024-06-01 08:09:20] [INFO ] Deduced a trap composed of 31 places in 1132 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/315 variables, 3/16 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/315 variables, 0/16 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 32/347 variables, 2/18 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/347 variables, 0/18 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 1774/2121 variables, 347/365 constraints. Problems are: Problem set: 1 solved, 2 unsolved
[2024-06-01 08:09:22] [INFO ] Deduced a trap composed of 31 places in 1306 ms of which 4 ms to minimize.
SMT process timed out in 6548ms, After SMT, problems are : Problem set: 1 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 15 out of 347 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 347/347 places, 1774/1774 transitions.
Graph (trivial) has 307 edges and 347 vertex of which 4 / 347 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Graph (complete) has 1862 edges and 345 vertex of which 343 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.7 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 125 transitions
Trivial Post-agglo rules discarded 125 transitions
Performed 125 trivial Post agglomeration. Transition count delta: 125
Iterating post reduction 0 with 127 rules applied. Total rules applied 129 place count 343 transition count 1643
Reduce places removed 125 places and 0 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 1 with 184 rules applied. Total rules applied 313 place count 218 transition count 1584
Reduce places removed 35 places and 0 transitions.
Iterating post reduction 2 with 35 rules applied. Total rules applied 348 place count 183 transition count 1584
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 348 place count 183 transition count 1579
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 358 place count 178 transition count 1579
Performed 72 Post agglomeration using F-continuation condition.Transition count delta: 72
Deduced a syphon composed of 72 places in 1 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 3 with 144 rules applied. Total rules applied 502 place count 106 transition count 1507
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 503 place count 106 transition count 1506
Discarding 19 places :
Symmetric choice reduction at 4 with 19 rule applications. Total rules 522 place count 87 transition count 1317
Iterating global reduction 4 with 19 rules applied. Total rules applied 541 place count 87 transition count 1317
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 551 place count 87 transition count 1307
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 553 place count 86 transition count 1306
Free-agglomeration rule applied 12 times.
Iterating global reduction 5 with 12 rules applied. Total rules applied 565 place count 86 transition count 1294
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 5 with 12 rules applied. Total rules applied 577 place count 74 transition count 1294
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 579 place count 74 transition count 1294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 580 place count 73 transition count 1293
Applied a total of 580 rules in 390 ms. Remains 73 /347 variables (removed 274) and now considering 1293/1774 (removed 481) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 390 ms. Remains : 73/347 places, 1293/1774 transitions.
RANDOM walk for 40000 steps (98 resets) in 1915 ms. (20 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (113 resets) in 166 ms. (239 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (112 resets) in 154 ms. (258 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 361710 steps, run timeout after 3001 ms. (steps per millisecond=120 ) properties seen :0 out of 2
Probabilistic random walk after 361710 steps, saw 55190 distinct states, run finished after 3001 ms. (steps per millisecond=120 ) properties seen :0
// Phase 1: matrix 1293 rows 73 cols
[2024-06-01 08:09:26] [INFO ] Computed 15 invariants in 6 ms
[2024-06-01 08:09:26] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 53/68 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1290/1358 variables, 68/81 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1358 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 8/1366 variables, 5/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1366 variables, 2/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1366 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1366 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/1366 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1366/1366 variables, and 89 constraints, problems are : Problem set: 0 solved, 2 unsolved in 533 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 73/73 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 53/68 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 08:09:28] [INFO ] Deduced a trap composed of 8 places in 908 ms of which 1 ms to minimize.
[2024-06-01 08:09:29] [INFO ] Deduced a trap composed of 6 places in 901 ms of which 1 ms to minimize.
[2024-06-01 08:09:29] [INFO ] Deduced a trap composed of 6 places in 886 ms of which 2 ms to minimize.
[2024-06-01 08:09:30] [INFO ] Deduced a trap composed of 8 places in 876 ms of which 1 ms to minimize.
[2024-06-01 08:09:31] [INFO ] Deduced a trap composed of 7 places in 869 ms of which 1 ms to minimize.
[2024-06-01 08:09:32] [INFO ] Deduced a trap composed of 6 places in 837 ms of which 1 ms to minimize.
[2024-06-01 08:09:33] [INFO ] Deduced a trap composed of 8 places in 876 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 1290/1358 variables, 68/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 08:09:34] [INFO ] Deduced a trap composed of 6 places in 866 ms of which 1 ms to minimize.
[2024-06-01 08:09:35] [INFO ] Deduced a trap composed of 6 places in 866 ms of which 2 ms to minimize.
[2024-06-01 08:09:36] [INFO ] Deduced a trap composed of 6 places in 853 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/1358 variables, 3/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1358 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 8/1366 variables, 5/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1366 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1366 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1366 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/1366 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1366/1366 variables, and 99 constraints, problems are : Problem set: 0 solved, 2 unsolved in 9525 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 73/73 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 10/10 constraints]
After SMT, in 10113ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 1213 ms.
Support contains 15 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 1293/1293 transitions.
Applied a total of 0 rules in 69 ms. Remains 73 /73 variables (removed 0) and now considering 1293/1293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70 ms. Remains : 73/73 places, 1293/1293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 1293/1293 transitions.
Applied a total of 0 rules in 70 ms. Remains 73 /73 variables (removed 0) and now considering 1293/1293 (removed 0) transitions.
[2024-06-01 08:09:38] [INFO ] Invariant cache hit.
[2024-06-01 08:09:38] [INFO ] Implicit Places using invariants in 312 ms returned []
[2024-06-01 08:09:38] [INFO ] Invariant cache hit.
[2024-06-01 08:09:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:09:39] [INFO ] Implicit Places using invariants and state equation in 806 ms returned [68, 72]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Implicit Place search using SMT with State Equation took 1131 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 71/73 places, 1292/1293 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 70 transition count 1291
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 70 transition count 1290
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 69 transition count 1290
Applied a total of 4 rules in 204 ms. Remains 69 /71 variables (removed 2) and now considering 1290/1292 (removed 2) transitions.
// Phase 1: matrix 1290 rows 69 cols
[2024-06-01 08:09:39] [INFO ] Computed 13 invariants in 6 ms
[2024-06-01 08:09:39] [INFO ] Implicit Places using invariants in 322 ms returned []
[2024-06-01 08:09:39] [INFO ] Invariant cache hit.
[2024-06-01 08:09:40] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:09:40] [INFO ] Implicit Places using invariants and state equation in 752 ms returned []
Implicit Place search using SMT with State Equation took 1079 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 69/73 places, 1290/1293 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 2493 ms. Remains : 69/73 places, 1290/1293 transitions.
RANDOM walk for 40000 steps (34 resets) in 1956 ms. (20 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (114 resets) in 125 ms. (317 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (114 resets) in 197 ms. (202 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 351494 steps, run timeout after 3001 ms. (steps per millisecond=117 ) properties seen :0 out of 2
Probabilistic random walk after 351494 steps, saw 52649 distinct states, run finished after 3001 ms. (steps per millisecond=117 ) properties seen :0
[2024-06-01 08:09:44] [INFO ] Invariant cache hit.
[2024-06-01 08:09:44] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 52/67 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1290/1357 variables, 67/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1357 variables, 2/82 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1357 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/1359 variables, 2/84 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1359 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/1359 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1359/1359 variables, and 84 constraints, problems are : Problem set: 0 solved, 2 unsolved in 559 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 69/69 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 52/67 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 08:09:45] [INFO ] Deduced a trap composed of 6 places in 823 ms of which 1 ms to minimize.
[2024-06-01 08:09:46] [INFO ] Deduced a trap composed of 8 places in 791 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 1290/1357 variables, 67/82 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1357 variables, 2/84 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 08:09:47] [INFO ] Deduced a trap composed of 6 places in 988 ms of which 1 ms to minimize.
[2024-06-01 08:09:48] [INFO ] Deduced a trap composed of 6 places in 947 ms of which 3 ms to minimize.
[2024-06-01 08:09:49] [INFO ] Deduced a trap composed of 8 places in 952 ms of which 2 ms to minimize.
[2024-06-01 08:09:50] [INFO ] Deduced a trap composed of 6 places in 879 ms of which 1 ms to minimize.
[2024-06-01 08:09:51] [INFO ] Deduced a trap composed of 8 places in 733 ms of which 1 ms to minimize.
[2024-06-01 08:09:52] [INFO ] Deduced a trap composed of 6 places in 826 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1357 variables, 6/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1357 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 2/1359 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1359 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/1359 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1359/1359 variables, and 92 constraints, problems are : Problem set: 0 solved, 2 unsolved in 7807 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 69/69 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 8/8 constraints]
After SMT, in 8413ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 1252 ms.
Support contains 15 out of 69 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 1290/1290 transitions.
Applied a total of 0 rules in 67 ms. Remains 69 /69 variables (removed 0) and now considering 1290/1290 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 69/69 places, 1290/1290 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 1290/1290 transitions.
Applied a total of 0 rules in 68 ms. Remains 69 /69 variables (removed 0) and now considering 1290/1290 (removed 0) transitions.
[2024-06-01 08:09:53] [INFO ] Invariant cache hit.
[2024-06-01 08:09:54] [INFO ] Implicit Places using invariants in 311 ms returned []
[2024-06-01 08:09:54] [INFO ] Invariant cache hit.
[2024-06-01 08:09:54] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:09:55] [INFO ] Implicit Places using invariants and state equation in 718 ms returned []
Implicit Place search using SMT with State Equation took 1030 ms to find 0 implicit places.
[2024-06-01 08:09:55] [INFO ] Redundant transitions in 55 ms returned []
Running 1279 sub problems to find dead transitions.
[2024-06-01 08:09:55] [INFO ] Invariant cache hit.
[2024-06-01 08:09:55] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1279 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1279 unsolved
At refinement iteration 2 (OVERLAPS) 11/69 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1279 unsolved
[2024-06-01 08:10:29] [INFO ] Deduced a trap composed of 6 places in 954 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1279 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 69/1359 variables, and 14 constraints, problems are : Problem set: 0 solved, 1279 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/69 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1279/32 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1279 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1279 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1279 unsolved
At refinement iteration 2 (OVERLAPS) 11/69 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1279 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1279 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1279 unsolved
Problem TDEAD1289 is UNSAT
At refinement iteration 5 (OVERLAPS) 1290/1359 variables, 69/83 constraints. Problems are: Problem set: 1 solved, 1278 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1359 variables, 2/85 constraints. Problems are: Problem set: 1 solved, 1278 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1359 variables, 32/117 constraints. Problems are: Problem set: 1 solved, 1278 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1359/1359 variables, and 117 constraints, problems are : Problem set: 1 solved, 1278 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 69/69 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1279/32 constraints, Known Traps: 1/1 constraints]
After SMT, in 83309ms problems are : Problem set: 1 solved, 1278 unsolved
Search for dead transitions found 1 dead transitions in 83326ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 69/69 places, 1289/1290 transitions.
Applied a total of 0 rules in 67 ms. Remains 69 /69 variables (removed 0) and now considering 1289/1289 (removed 0) transitions.
[2024-06-01 08:11:18] [INFO ] Redundant transitions in 42 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 84606 ms. Remains : 69/69 places, 1289/1290 transitions.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (G (OR (NOT p1) (NOT p2)))]
False Knowledge obtained : [(F p0), (F p1)]
Knowledge based reduction with 2 factoid took 128 ms. Reduced automaton from 7 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 220 ms :[(AND (NOT p0) p2), p2, (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2)]
Stuttering acceptance computed with spot in 208 ms :[(AND (NOT p0) p2), p2, (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2)]
Support contains 15 out of 347 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 347/347 places, 1774/1774 transitions.
Applied a total of 0 rules in 10 ms. Remains 347 /347 variables (removed 0) and now considering 1774/1774 (removed 0) transitions.
// Phase 1: matrix 1774 rows 347 cols
[2024-06-01 08:11:19] [INFO ] Computed 15 invariants in 11 ms
[2024-06-01 08:11:19] [INFO ] Implicit Places using invariants in 271 ms returned []
[2024-06-01 08:11:19] [INFO ] Invariant cache hit.
[2024-06-01 08:11:20] [INFO ] Implicit Places using invariants and state equation in 957 ms returned []
Implicit Place search using SMT with State Equation took 1230 ms to find 0 implicit places.
Running 1773 sub problems to find dead transitions.
[2024-06-01 08:11:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/346 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
At refinement iteration 1 (OVERLAPS) 1/347 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
[2024-06-01 08:12:16] [INFO ] Deduced a trap composed of 31 places in 1581 ms of which 4 ms to minimize.
[2024-06-01 08:12:18] [INFO ] Deduced a trap composed of 79 places in 1373 ms of which 4 ms to minimize.
SMT process timed out in 57711ms, After SMT, problems are : Problem set: 0 solved, 1773 unsolved
Search for dead transitions found 0 dead transitions in 57731ms
Finished structural reductions in LTL mode , in 1 iterations and 58976 ms. Remains : 347/347 places, 1774/1774 transitions.
Computed a total of 51 stabilizing places and 52 stable transitions
Computed a total of 51 stabilizing places and 52 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 80 ms. Reduced automaton from 6 states, 7 edges and 2 AP (stutter sensitive) to 6 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 213 ms :[(AND (NOT p0) p2), p2, (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2)]
RANDOM walk for 40000 steps (303 resets) in 759 ms. (52 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (58 resets) in 168 ms. (236 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40002 steps (41 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
[2024-06-01 08:12:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 85/89 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 258/347 variables, 11/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-06-01 08:12:20] [INFO ] Deduced a trap composed of 31 places in 1375 ms of which 4 ms to minimize.
[2024-06-01 08:12:21] [INFO ] Deduced a trap composed of 21 places in 1365 ms of which 3 ms to minimize.
[2024-06-01 08:12:22] [INFO ] Deduced a trap composed of 31 places in 1309 ms of which 3 ms to minimize.
[2024-06-01 08:12:24] [INFO ] Deduced a trap composed of 31 places in 1348 ms of which 4 ms to minimize.
SMT process timed out in 5556ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 347 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 347/347 places, 1774/1774 transitions.
Graph (trivial) has 328 edges and 347 vertex of which 4 / 347 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Graph (complete) has 1862 edges and 345 vertex of which 343 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.6 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 125 transitions
Trivial Post-agglo rules discarded 125 transitions
Performed 125 trivial Post agglomeration. Transition count delta: 125
Iterating post reduction 0 with 127 rules applied. Total rules applied 129 place count 343 transition count 1643
Reduce places removed 125 places and 0 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 1 with 184 rules applied. Total rules applied 313 place count 218 transition count 1584
Reduce places removed 35 places and 0 transitions.
Iterating post reduction 2 with 35 rules applied. Total rules applied 348 place count 183 transition count 1584
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 348 place count 183 transition count 1578
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 360 place count 177 transition count 1578
Performed 82 Post agglomeration using F-continuation condition.Transition count delta: 82
Deduced a syphon composed of 82 places in 0 ms
Reduce places removed 82 places and 0 transitions.
Iterating global reduction 3 with 164 rules applied. Total rules applied 524 place count 95 transition count 1496
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 525 place count 95 transition count 1495
Discarding 20 places :
Symmetric choice reduction at 4 with 20 rule applications. Total rules 545 place count 75 transition count 1295
Iterating global reduction 4 with 20 rules applied. Total rules applied 565 place count 75 transition count 1295
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 575 place count 75 transition count 1285
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 577 place count 74 transition count 1284
Free-agglomeration rule applied 11 times.
Iterating global reduction 5 with 11 rules applied. Total rules applied 588 place count 74 transition count 1273
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 5 with 11 rules applied. Total rules applied 599 place count 63 transition count 1273
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 600 place count 63 transition count 1273
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 601 place count 62 transition count 1272
Applied a total of 601 rules in 445 ms. Remains 62 /347 variables (removed 285) and now considering 1272/1774 (removed 502) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 445 ms. Remains : 62/347 places, 1272/1774 transitions.
RANDOM walk for 40000 steps (123 resets) in 978 ms. (40 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (138 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 534973 steps, run timeout after 3001 ms. (steps per millisecond=178 ) properties seen :0 out of 1
Probabilistic random walk after 534973 steps, saw 76070 distinct states, run finished after 3001 ms. (steps per millisecond=178 ) properties seen :0
// Phase 1: matrix 1272 rows 62 cols
[2024-06-01 08:12:28] [INFO ] Computed 15 invariants in 10 ms
[2024-06-01 08:12:28] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/21 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1242/1263 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1263 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/1334 variables, 41/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1334 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1334 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1334 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1334 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1334/1334 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 536 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 62/62 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/21 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1242/1263 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1263 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/1334 variables, 41/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1334 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1334 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1334 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1334 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1334/1334 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 501 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 62/62 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1073ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 63 ms.
Support contains 4 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 1272/1272 transitions.
Applied a total of 0 rules in 78 ms. Remains 62 /62 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78 ms. Remains : 62/62 places, 1272/1272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 1272/1272 transitions.
Applied a total of 0 rules in 79 ms. Remains 62 /62 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
[2024-06-01 08:12:29] [INFO ] Invariant cache hit.
[2024-06-01 08:12:29] [INFO ] Implicit Places using invariants in 626 ms returned []
[2024-06-01 08:12:29] [INFO ] Invariant cache hit.
[2024-06-01 08:12:30] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:12:31] [INFO ] Implicit Places using invariants and state equation in 1167 ms returned [57, 61]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Implicit Place search using SMT with State Equation took 1803 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 60/62 places, 1271/1272 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 59 transition count 1270
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 59 transition count 1269
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 58 transition count 1269
Applied a total of 4 rules in 174 ms. Remains 58 /60 variables (removed 2) and now considering 1269/1271 (removed 2) transitions.
// Phase 1: matrix 1269 rows 58 cols
[2024-06-01 08:12:31] [INFO ] Computed 13 invariants in 7 ms
[2024-06-01 08:12:31] [INFO ] Implicit Places using invariants in 625 ms returned []
[2024-06-01 08:12:31] [INFO ] Invariant cache hit.
[2024-06-01 08:12:32] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:12:33] [INFO ] Implicit Places using invariants and state equation in 1071 ms returned []
Implicit Place search using SMT with State Equation took 1698 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 58/62 places, 1269/1272 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 3754 ms. Remains : 58/62 places, 1269/1272 transitions.
RANDOM walk for 40000 steps (52 resets) in 1049 ms. (38 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (140 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 535883 steps, run timeout after 3001 ms. (steps per millisecond=178 ) properties seen :0 out of 1
Probabilistic random walk after 535883 steps, saw 73698 distinct states, run finished after 3001 ms. (steps per millisecond=178 ) properties seen :0
[2024-06-01 08:12:36] [INFO ] Invariant cache hit.
[2024-06-01 08:12:36] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 16/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1242/1262 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1262 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1262 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 65/1327 variables, 38/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1327 variables, 9/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1327 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1327 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1327/1327 variables, and 73 constraints, problems are : Problem set: 0 solved, 1 unsolved in 528 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 58/58 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 16/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1242/1262 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1262 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1262 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 65/1327 variables, 38/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1327 variables, 9/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1327 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1327 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1327/1327 variables, and 73 constraints, problems are : Problem set: 0 solved, 1 unsolved in 484 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 58/58 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1036ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 64 ms.
Support contains 4 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 1269/1269 transitions.
Applied a total of 0 rules in 79 ms. Remains 58 /58 variables (removed 0) and now considering 1269/1269 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79 ms. Remains : 58/58 places, 1269/1269 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 1269/1269 transitions.
Applied a total of 0 rules in 83 ms. Remains 58 /58 variables (removed 0) and now considering 1269/1269 (removed 0) transitions.
[2024-06-01 08:12:37] [INFO ] Invariant cache hit.
[2024-06-01 08:12:38] [INFO ] Implicit Places using invariants in 609 ms returned []
[2024-06-01 08:12:38] [INFO ] Invariant cache hit.
[2024-06-01 08:12:38] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:12:39] [INFO ] Implicit Places using invariants and state equation in 1085 ms returned []
Implicit Place search using SMT with State Equation took 1699 ms to find 0 implicit places.
[2024-06-01 08:12:39] [INFO ] Redundant transitions in 53 ms returned []
Running 1267 sub problems to find dead transitions.
[2024-06-01 08:12:39] [INFO ] Invariant cache hit.
[2024-06-01 08:12:39] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
At refinement iteration 2 (OVERLAPS) 1/58 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 58/1327 variables, and 13 constraints, problems are : Problem set: 0 solved, 1267 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/58 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1267/31 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1267 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
At refinement iteration 2 (OVERLAPS) 1/58 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 1)
(s2 0)
(s3 0)
(s4 0)
(s5 1)
(s6 0)
(s7 0)
(s8 0)
(s9 0)
(s10 0)
(s11 0)
(s12 0)
(s13 0)
(s14 0)
(s15 1)
(s16 0)
(s17 0)
(s18 0)
(s19 1)
(s20 0)
(s21 0)
(s22 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 58/1327 variables, and 13 constraints, problems are : Problem set: 0 solved, 1267 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/58 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1236/31 constraints, Known Traps: 0/0 constraints]
After SMT, in 83877ms problems are : Problem set: 0 solved, 1267 unsolved
Search for dead transitions found 0 dead transitions in 83893ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85737 ms. Remains : 58/58 places, 1269/1269 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p2))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 1 factoid took 154 ms. Reduced automaton from 6 states, 7 edges and 2 AP (stutter sensitive) to 6 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 295 ms :[(AND (NOT p0) p2), p2, (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2)]
Stuttering acceptance computed with spot in 291 ms :[(AND (NOT p0) p2), p2, (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2)]
Stuttering acceptance computed with spot in 361 ms :[(AND (NOT p0) p2), p2, (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2)]
Product exploration explored 100000 steps with 363 reset in 535 ms.
Product exploration explored 100000 steps with 352 reset in 554 ms.
Applying partial POR strategy [true, true, false, false, false, false]
Stuttering acceptance computed with spot in 198 ms :[(AND (NOT p0) p2), p2, (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2)]
Support contains 15 out of 347 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 347/347 places, 1774/1774 transitions.
Graph (trivial) has 307 edges and 347 vertex of which 4 / 347 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 124 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 124 rules applied. Total rules applied 125 place count 345 transition count 1772
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 148 place count 345 transition count 1749
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 25 Pre rules applied. Total rules applied 148 place count 345 transition count 1749
Deduced a syphon composed of 149 places in 1 ms
Iterating global reduction 2 with 25 rules applied. Total rules applied 173 place count 345 transition count 1749
Discarding 107 places :
Symmetric choice reduction at 2 with 107 rule applications. Total rules 280 place count 238 transition count 1642
Deduced a syphon composed of 43 places in 2 ms
Iterating global reduction 2 with 107 rules applied. Total rules applied 387 place count 238 transition count 1642
Performed 87 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 130 places in 1 ms
Iterating global reduction 2 with 87 rules applied. Total rules applied 474 place count 238 transition count 1655
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 476 place count 238 transition count 1653
Discarding 67 places :
Symmetric choice reduction at 3 with 67 rule applications. Total rules 543 place count 171 transition count 1456
Deduced a syphon composed of 78 places in 1 ms
Iterating global reduction 3 with 67 rules applied. Total rules applied 610 place count 171 transition count 1456
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 3 with 20 rules applied. Total rules applied 630 place count 171 transition count 1436
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 641 place count 160 transition count 1425
Deduced a syphon composed of 67 places in 1 ms
Iterating global reduction 4 with 11 rules applied. Total rules applied 652 place count 160 transition count 1425
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 68 places in 0 ms
Iterating global reduction 4 with 1 rules applied. Total rules applied 653 place count 160 transition count 1425
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 655 place count 158 transition count 1423
Deduced a syphon composed of 66 places in 1 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 657 place count 158 transition count 1423
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 67 places in 0 ms
Iterating global reduction 4 with 1 rules applied. Total rules applied 658 place count 158 transition count 1425
Deduced a syphon composed of 67 places in 1 ms
Applied a total of 658 rules in 388 ms. Remains 158 /347 variables (removed 189) and now considering 1425/1774 (removed 349) transitions.
[2024-06-01 08:14:06] [INFO ] Redundant transitions in 64 ms returned []
Running 1424 sub problems to find dead transitions.
// Phase 1: matrix 1425 rows 158 cols
[2024-06-01 08:14:06] [INFO ] Computed 14 invariants in 12 ms
[2024-06-01 08:14:06] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1424 unsolved
At refinement iteration 1 (OVERLAPS) 1/158 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1424 unsolved
[2024-06-01 08:14:49] [INFO ] Deduced a trap composed of 5 places in 276 ms of which 1 ms to minimize.
[2024-06-01 08:14:51] [INFO ] Deduced a trap composed of 6 places in 1464 ms of which 5 ms to minimize.
[2024-06-01 08:14:52] [INFO ] Deduced a trap composed of 5 places in 1293 ms of which 2 ms to minimize.
[2024-06-01 08:14:53] [INFO ] Deduced a trap composed of 6 places in 1178 ms of which 2 ms to minimize.
[2024-06-01 08:14:55] [INFO ] Deduced a trap composed of 16 places in 1037 ms of which 1 ms to minimize.
[2024-06-01 08:14:56] [INFO ] Deduced a trap composed of 7 places in 1056 ms of which 2 ms to minimize.
[2024-06-01 08:14:56] [INFO ] Deduced a trap composed of 3 places in 318 ms of which 1 ms to minimize.
Problem TDEAD5 is UNSAT
[2024-06-01 08:14:57] [INFO ] Deduced a trap composed of 35 places in 1442 ms of which 2 ms to minimize.
[2024-06-01 08:14:59] [INFO ] Deduced a trap composed of 8 places in 1099 ms of which 2 ms to minimize.
Problem TDEAD13 is UNSAT
[2024-06-01 08:15:00] [INFO ] Deduced a trap composed of 8 places in 1073 ms of which 2 ms to minimize.
SMT process timed out in 53870ms, After SMT, problems are : Problem set: 0 solved, 1424 unsolved
Search for dead transitions found 0 dead transitions in 53892ms
Starting structural reductions in SI_LTL mode, iteration 1 : 158/347 places, 1425/1774 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 54359 ms. Remains : 158/347 places, 1425/1774 transitions.
Support contains 15 out of 347 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 347/347 places, 1774/1774 transitions.
Applied a total of 0 rules in 16 ms. Remains 347 /347 variables (removed 0) and now considering 1774/1774 (removed 0) transitions.
// Phase 1: matrix 1774 rows 347 cols
[2024-06-01 08:15:00] [INFO ] Computed 15 invariants in 12 ms
[2024-06-01 08:15:00] [INFO ] Implicit Places using invariants in 593 ms returned []
[2024-06-01 08:15:00] [INFO ] Invariant cache hit.
[2024-06-01 08:15:02] [INFO ] Implicit Places using invariants and state equation in 1403 ms returned []
Implicit Place search using SMT with State Equation took 2000 ms to find 0 implicit places.
Running 1773 sub problems to find dead transitions.
[2024-06-01 08:15:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/346 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
SMT process timed out in 56057ms, After SMT, problems are : Problem set: 0 solved, 1773 unsolved
Search for dead transitions found 0 dead transitions in 56078ms
Finished structural reductions in LTL mode , in 1 iterations and 58100 ms. Remains : 347/347 places, 1774/1774 transitions.
Treatment of property AutonomousCar-PT-10b-LTLFireability-11 finished in 463421 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0||X(p0)))))'
Support contains 11 out of 352 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 348 transition count 1775
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 348 transition count 1775
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 347 transition count 1774
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 347 transition count 1774
Applied a total of 10 rules in 61 ms. Remains 347 /352 variables (removed 5) and now considering 1774/1779 (removed 5) transitions.
[2024-06-01 08:15:58] [INFO ] Invariant cache hit.
[2024-06-01 08:15:59] [INFO ] Implicit Places using invariants in 529 ms returned []
[2024-06-01 08:15:59] [INFO ] Invariant cache hit.
[2024-06-01 08:16:00] [INFO ] Implicit Places using invariants and state equation in 1175 ms returned []
Implicit Place search using SMT with State Equation took 1706 ms to find 0 implicit places.
Running 1773 sub problems to find dead transitions.
[2024-06-01 08:16:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/346 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
SMT process timed out in 56753ms, After SMT, problems are : Problem set: 0 solved, 1773 unsolved
Search for dead transitions found 0 dead transitions in 56774ms
Starting structural reductions in LTL mode, iteration 1 : 347/352 places, 1774/1779 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58546 ms. Remains : 347/352 places, 1774/1779 transitions.
Stuttering acceptance computed with spot in 109 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-12
Stuttering criterion allowed to conclude after 125 steps with 0 reset in 1 ms.
FORMULA AutonomousCar-PT-10b-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-10b-LTLFireability-12 finished in 58691 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 11 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Graph (trivial) has 314 edges and 352 vertex of which 4 / 352 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 129 transitions
Trivial Post-agglo rules discarded 129 transitions
Performed 129 trivial Post agglomeration. Transition count delta: 129
Iterating post reduction 0 with 129 rules applied. Total rules applied 130 place count 349 transition count 1647
Reduce places removed 129 places and 0 transitions.
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 34 transitions
Trivial Post-agglo rules discarded 34 transitions
Performed 34 trivial Post agglomeration. Transition count delta: 34
Iterating post reduction 1 with 186 rules applied. Total rules applied 316 place count 220 transition count 1590
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 2 with 34 rules applied. Total rules applied 350 place count 186 transition count 1590
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 350 place count 186 transition count 1583
Deduced a syphon composed of 7 places in 2 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 364 place count 179 transition count 1583
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 367 place count 176 transition count 1580
Iterating global reduction 3 with 3 rules applied. Total rules applied 370 place count 176 transition count 1580
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 371 place count 175 transition count 1570
Iterating global reduction 3 with 1 rules applied. Total rules applied 372 place count 175 transition count 1570
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 3 with 2 rules applied. Total rules applied 374 place count 175 transition count 1568
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 375 place count 174 transition count 1568
Performed 68 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 68 places in 1 ms
Reduce places removed 68 places and 0 transitions.
Iterating global reduction 5 with 136 rules applied. Total rules applied 511 place count 106 transition count 1499
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 512 place count 106 transition count 1498
Discarding 16 places :
Symmetric choice reduction at 6 with 16 rule applications. Total rules 528 place count 90 transition count 1341
Iterating global reduction 6 with 16 rules applied. Total rules applied 544 place count 90 transition count 1341
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 6 with 9 rules applied. Total rules applied 553 place count 90 transition count 1332
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 557 place count 88 transition count 1330
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 559 place count 86 transition count 1328
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 560 place count 85 transition count 1328
Applied a total of 560 rules in 562 ms. Remains 85 /352 variables (removed 267) and now considering 1328/1779 (removed 451) transitions.
// Phase 1: matrix 1328 rows 85 cols
[2024-06-01 08:16:57] [INFO ] Computed 13 invariants in 12 ms
[2024-06-01 08:16:58] [INFO ] Implicit Places using invariants in 540 ms returned []
[2024-06-01 08:16:58] [INFO ] Invariant cache hit.
[2024-06-01 08:16:59] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:16:59] [INFO ] Implicit Places using invariants and state equation in 1285 ms returned [80, 84]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1830 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 83/352 places, 1328/1779 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 82 transition count 1327
Applied a total of 2 rules in 152 ms. Remains 82 /83 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
// Phase 1: matrix 1327 rows 82 cols
[2024-06-01 08:16:59] [INFO ] Computed 11 invariants in 11 ms
[2024-06-01 08:17:00] [INFO ] Implicit Places using invariants in 540 ms returned []
[2024-06-01 08:17:00] [INFO ] Invariant cache hit.
[2024-06-01 08:17:00] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:17:01] [INFO ] Implicit Places using invariants and state equation in 1123 ms returned []
Implicit Place search using SMT with State Equation took 1665 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 82/352 places, 1327/1779 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4211 ms. Remains : 82/352 places, 1327/1779 transitions.
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-13
Product exploration explored 100000 steps with 724 reset in 583 ms.
Product exploration explored 100000 steps with 534 reset in 488 ms.
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 105 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
RANDOM walk for 40000 steps (1417 resets) in 1033 ms. (38 steps per ms) remains 1/1 properties
BEST_FIRST walk for 26099 steps (71 resets) in 107 ms. (241 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 141 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Support contains 11 out of 82 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 82/82 places, 1327/1327 transitions.
Applied a total of 0 rules in 129 ms. Remains 82 /82 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2024-06-01 08:17:03] [INFO ] Invariant cache hit.
[2024-06-01 08:17:04] [INFO ] Implicit Places using invariants in 530 ms returned []
[2024-06-01 08:17:04] [INFO ] Invariant cache hit.
[2024-06-01 08:17:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:17:05] [INFO ] Implicit Places using invariants and state equation in 1251 ms returned []
Implicit Place search using SMT with State Equation took 1786 ms to find 0 implicit places.
[2024-06-01 08:17:05] [INFO ] Redundant transitions in 81 ms returned [1084]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 1318 sub problems to find dead transitions.
// Phase 1: matrix 1326 rows 82 cols
[2024-06-01 08:17:05] [INFO ] Computed 11 invariants in 11 ms
[2024-06-01 08:17:05] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1318 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1318 unsolved
At refinement iteration 2 (OVERLAPS) 6/80 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1318 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 80/1408 variables, and 11 constraints, problems are : Problem set: 0 solved, 1318 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 0/82 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1318/52 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1318 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1318 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1318 unsolved
At refinement iteration 2 (OVERLAPS) 6/80 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1318 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/80 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1318 unsolved
At refinement iteration 4 (OVERLAPS) 1325/1405 variables, 80/91 constraints. Problems are: Problem set: 0 solved, 1318 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1405/1408 variables, and 122 constraints, problems are : Problem set: 0 solved, 1318 unsolved in 30120 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 80/82 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1297/52 constraints, Known Traps: 0/0 constraints]
After SMT, in 84186ms problems are : Problem set: 0 solved, 1318 unsolved
Search for dead transitions found 0 dead transitions in 84209ms
Starting structural reductions in SI_LTL mode, iteration 1 : 82/82 places, 1326/1327 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 80 transition count 1324
Applied a total of 2 rules in 88 ms. Remains 80 /82 variables (removed 2) and now considering 1324/1326 (removed 2) transitions.
// Phase 1: matrix 1324 rows 80 cols
[2024-06-01 08:18:29] [INFO ] Computed 11 invariants in 7 ms
[2024-06-01 08:18:30] [INFO ] Implicit Places using invariants in 374 ms returned []
[2024-06-01 08:18:30] [INFO ] Invariant cache hit.
[2024-06-01 08:18:30] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:18:31] [INFO ] Implicit Places using invariants and state equation in 1286 ms returned []
Implicit Place search using SMT with State Equation took 1668 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 80/82 places, 1324/1327 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 87978 ms. Remains : 80/82 places, 1324/1327 transitions.
Computed a total of 2 stabilizing places and 3 stable transitions
Computed a total of 2 stabilizing places and 3 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 110 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 56 ms :[(NOT p0)]
RANDOM walk for 40000 steps (1495 resets) in 1188 ms. (33 steps per ms) remains 1/1 properties
BEST_FIRST walk for 26249 steps (71 resets) in 111 ms. (234 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 140 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Product exploration explored 100000 steps with 2971 reset in 1255 ms.
Product exploration explored 100000 steps with 478 reset in 270 ms.
Support contains 11 out of 80 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 80/80 places, 1324/1324 transitions.
Applied a total of 0 rules in 74 ms. Remains 80 /80 variables (removed 0) and now considering 1324/1324 (removed 0) transitions.
[2024-06-01 08:18:33] [INFO ] Invariant cache hit.
[2024-06-01 08:18:34] [INFO ] Implicit Places using invariants in 351 ms returned []
[2024-06-01 08:18:34] [INFO ] Invariant cache hit.
[2024-06-01 08:18:34] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:18:35] [INFO ] Implicit Places using invariants and state equation in 1242 ms returned []
Implicit Place search using SMT with State Equation took 1596 ms to find 0 implicit places.
[2024-06-01 08:18:35] [INFO ] Redundant transitions in 90 ms returned []
Running 1317 sub problems to find dead transitions.
[2024-06-01 08:18:35] [INFO ] Invariant cache hit.
[2024-06-01 08:18:35] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1317 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1317 unsolved
At refinement iteration 2 (OVERLAPS) 6/79 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1317 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 79/1404 variables, and 11 constraints, problems are : Problem set: 0 solved, 1317 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 0/80 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1317/49 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1317 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1317 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1317 unsolved
At refinement iteration 2 (OVERLAPS) 6/79 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1317 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 79/1404 variables, and 11 constraints, problems are : Problem set: 0 solved, 1317 unsolved in 30046 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 0/80 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1268/49 constraints, Known Traps: 0/0 constraints]
After SMT, in 83604ms problems are : Problem set: 0 solved, 1317 unsolved
Search for dead transitions found 0 dead transitions in 83630ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 85402 ms. Remains : 80/80 places, 1324/1324 transitions.
Treatment of property AutonomousCar-PT-10b-LTLFireability-13 finished in 182195 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0 U (p1||G(!p0))) U (F(p3)&&p2)))'
Support contains 21 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Graph (trivial) has 301 edges and 352 vertex of which 4 / 352 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 128 transitions
Trivial Post-agglo rules discarded 128 transitions
Performed 128 trivial Post agglomeration. Transition count delta: 128
Iterating post reduction 0 with 128 rules applied. Total rules applied 129 place count 349 transition count 1648
Reduce places removed 128 places and 0 transitions.
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 34 transitions
Trivial Post-agglo rules discarded 34 transitions
Performed 34 trivial Post agglomeration. Transition count delta: 34
Iterating post reduction 1 with 185 rules applied. Total rules applied 314 place count 221 transition count 1591
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 2 with 34 rules applied. Total rules applied 348 place count 187 transition count 1591
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 348 place count 187 transition count 1585
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 360 place count 181 transition count 1585
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 362 place count 179 transition count 1583
Iterating global reduction 3 with 2 rules applied. Total rules applied 364 place count 179 transition count 1583
Performed 63 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 63 places in 0 ms
Reduce places removed 63 places and 0 transitions.
Iterating global reduction 3 with 126 rules applied. Total rules applied 490 place count 116 transition count 1519
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 491 place count 116 transition count 1518
Discarding 14 places :
Symmetric choice reduction at 4 with 14 rule applications. Total rules 505 place count 102 transition count 1383
Iterating global reduction 4 with 14 rules applied. Total rules applied 519 place count 102 transition count 1383
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 4 with 9 rules applied. Total rules applied 528 place count 102 transition count 1374
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 532 place count 100 transition count 1372
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 533 place count 99 transition count 1371
Applied a total of 533 rules in 420 ms. Remains 99 /352 variables (removed 253) and now considering 1371/1779 (removed 408) transitions.
// Phase 1: matrix 1371 rows 99 cols
[2024-06-01 08:19:59] [INFO ] Computed 14 invariants in 11 ms
[2024-06-01 08:20:00] [INFO ] Implicit Places using invariants in 309 ms returned []
[2024-06-01 08:20:00] [INFO ] Invariant cache hit.
[2024-06-01 08:20:00] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:20:01] [INFO ] Implicit Places using invariants and state equation in 1070 ms returned [94, 98]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1399 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 97/352 places, 1371/1779 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 96 transition count 1370
Applied a total of 2 rules in 143 ms. Remains 96 /97 variables (removed 1) and now considering 1370/1371 (removed 1) transitions.
// Phase 1: matrix 1370 rows 96 cols
[2024-06-01 08:20:01] [INFO ] Computed 12 invariants in 12 ms
[2024-06-01 08:20:01] [INFO ] Implicit Places using invariants in 330 ms returned []
[2024-06-01 08:20:01] [INFO ] Invariant cache hit.
[2024-06-01 08:20:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:20:02] [INFO ] Implicit Places using invariants and state equation in 1046 ms returned []
Implicit Place search using SMT with State Equation took 1378 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 96/352 places, 1370/1779 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3344 ms. Remains : 96/352 places, 1370/1779 transitions.
Stuttering acceptance computed with spot in 179 ms :[(OR (NOT p2) (NOT p3)), true, (NOT p3), (AND (NOT p1) p0)]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-14
Stuttering criterion allowed to conclude after 33 steps with 0 reset in 1 ms.
FORMULA AutonomousCar-PT-10b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-10b-LTLFireability-14 finished in 3557 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((p0&&(G(F(p0))||p1))))))'
Support contains 4 out of 352 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 348 transition count 1775
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 348 transition count 1775
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 347 transition count 1774
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 347 transition count 1774
Applied a total of 10 rules in 66 ms. Remains 347 /352 variables (removed 5) and now considering 1774/1779 (removed 5) transitions.
// Phase 1: matrix 1774 rows 347 cols
[2024-06-01 08:20:03] [INFO ] Computed 15 invariants in 18 ms
[2024-06-01 08:20:04] [INFO ] Implicit Places using invariants in 1190 ms returned []
[2024-06-01 08:20:04] [INFO ] Invariant cache hit.
[2024-06-01 08:20:06] [INFO ] Implicit Places using invariants and state equation in 2180 ms returned []
Implicit Place search using SMT with State Equation took 3373 ms to find 0 implicit places.
Running 1773 sub problems to find dead transitions.
[2024-06-01 08:20:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/346 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
SMT process timed out in 56023ms, After SMT, problems are : Problem set: 0 solved, 1773 unsolved
Search for dead transitions found 0 dead transitions in 56057ms
Starting structural reductions in LTL mode, iteration 1 : 347/352 places, 1774/1779 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 59503 ms. Remains : 347/352 places, 1774/1779 transitions.
Stuttering acceptance computed with spot in 178 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-15
Product exploration explored 100000 steps with 51 reset in 283 ms.
Product exploration explored 100000 steps with 774 reset in 699 ms.
Computed a total of 51 stabilizing places and 52 stable transitions
Computed a total of 51 stabilizing places and 52 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 81 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 117 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (265 resets) in 327 ms. (121 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (40 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 266465 steps, run timeout after 3001 ms. (steps per millisecond=88 ) properties seen :0 out of 1
Probabilistic random walk after 266465 steps, saw 49090 distinct states, run finished after 3001 ms. (steps per millisecond=88 ) properties seen :0
[2024-06-01 08:21:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 83/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 260/347 variables, 11/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-06-01 08:21:08] [INFO ] Deduced a trap composed of 31 places in 1672 ms of which 4 ms to minimize.
[2024-06-01 08:21:10] [INFO ] Deduced a trap composed of 32 places in 1579 ms of which 3 ms to minimize.
[2024-06-01 08:21:12] [INFO ] Deduced a trap composed of 31 places in 1453 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/347 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 5040ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 347 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 347/347 places, 1774/1774 transitions.
Graph (trivial) has 328 edges and 347 vertex of which 4 / 347 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Graph (complete) has 1862 edges and 345 vertex of which 343 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.6 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 125 transitions
Trivial Post-agglo rules discarded 125 transitions
Performed 125 trivial Post agglomeration. Transition count delta: 125
Iterating post reduction 0 with 127 rules applied. Total rules applied 129 place count 343 transition count 1643
Reduce places removed 125 places and 0 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 1 with 184 rules applied. Total rules applied 313 place count 218 transition count 1584
Reduce places removed 35 places and 0 transitions.
Iterating post reduction 2 with 35 rules applied. Total rules applied 348 place count 183 transition count 1584
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 348 place count 183 transition count 1578
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 360 place count 177 transition count 1578
Performed 82 Post agglomeration using F-continuation condition.Transition count delta: 82
Deduced a syphon composed of 82 places in 1 ms
Reduce places removed 82 places and 0 transitions.
Iterating global reduction 3 with 164 rules applied. Total rules applied 524 place count 95 transition count 1496
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 525 place count 95 transition count 1495
Discarding 20 places :
Symmetric choice reduction at 4 with 20 rule applications. Total rules 545 place count 75 transition count 1295
Iterating global reduction 4 with 20 rules applied. Total rules applied 565 place count 75 transition count 1295
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 575 place count 75 transition count 1285
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 577 place count 74 transition count 1284
Free-agglomeration rule applied 11 times.
Iterating global reduction 5 with 11 rules applied. Total rules applied 588 place count 74 transition count 1273
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 5 with 11 rules applied. Total rules applied 599 place count 63 transition count 1273
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 600 place count 63 transition count 1273
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 601 place count 62 transition count 1272
Applied a total of 601 rules in 495 ms. Remains 62 /347 variables (removed 285) and now considering 1272/1774 (removed 502) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 495 ms. Remains : 62/347 places, 1272/1774 transitions.
RANDOM walk for 40000 steps (132 resets) in 1220 ms. (32 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (136 resets) in 98 ms. (404 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 528498 steps, run timeout after 3001 ms. (steps per millisecond=176 ) properties seen :0 out of 1
Probabilistic random walk after 528498 steps, saw 75370 distinct states, run finished after 3001 ms. (steps per millisecond=176 ) properties seen :0
// Phase 1: matrix 1272 rows 62 cols
[2024-06-01 08:21:16] [INFO ] Computed 15 invariants in 10 ms
[2024-06-01 08:21:16] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/21 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1242/1263 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1263 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/1334 variables, 41/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1334 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1334 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1334 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1334 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1334/1334 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 558 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 62/62 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/21 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1242/1263 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1263 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/1334 variables, 41/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1334 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1334 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1334 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1334 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1334/1334 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 786 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 62/62 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1379ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 99 ms.
Support contains 4 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 1272/1272 transitions.
Applied a total of 0 rules in 131 ms. Remains 62 /62 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 131 ms. Remains : 62/62 places, 1272/1272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 1272/1272 transitions.
Applied a total of 0 rules in 131 ms. Remains 62 /62 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
[2024-06-01 08:21:17] [INFO ] Invariant cache hit.
[2024-06-01 08:21:18] [INFO ] Implicit Places using invariants in 999 ms returned []
[2024-06-01 08:21:18] [INFO ] Invariant cache hit.
[2024-06-01 08:21:19] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:21:20] [INFO ] Implicit Places using invariants and state equation in 1667 ms returned [57, 61]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Implicit Place search using SMT with State Equation took 2671 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 60/62 places, 1271/1272 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 59 transition count 1270
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 59 transition count 1269
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 58 transition count 1269
Applied a total of 4 rules in 291 ms. Remains 58 /60 variables (removed 2) and now considering 1269/1271 (removed 2) transitions.
// Phase 1: matrix 1269 rows 58 cols
[2024-06-01 08:21:20] [INFO ] Computed 13 invariants in 10 ms
[2024-06-01 08:21:21] [INFO ] Implicit Places using invariants in 1009 ms returned []
[2024-06-01 08:21:21] [INFO ] Invariant cache hit.
[2024-06-01 08:21:22] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:21:23] [INFO ] Implicit Places using invariants and state equation in 1618 ms returned []
Implicit Place search using SMT with State Equation took 2630 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 58/62 places, 1269/1272 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 5723 ms. Remains : 58/62 places, 1269/1272 transitions.
RANDOM walk for 40000 steps (58 resets) in 1580 ms. (25 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (139 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 513152 steps, run timeout after 3001 ms. (steps per millisecond=170 ) properties seen :0 out of 1
Probabilistic random walk after 513152 steps, saw 70998 distinct states, run finished after 3001 ms. (steps per millisecond=170 ) properties seen :0
[2024-06-01 08:21:26] [INFO ] Invariant cache hit.
[2024-06-01 08:21:26] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 16/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1242/1262 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1262 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1262 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 65/1327 variables, 38/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1327 variables, 9/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1327 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1327 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1327/1327 variables, and 73 constraints, problems are : Problem set: 0 solved, 1 unsolved in 518 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 58/58 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 16/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1242/1262 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1262 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1262 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 65/1327 variables, 38/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1327 variables, 9/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1327 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1327 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1327/1327 variables, and 73 constraints, problems are : Problem set: 0 solved, 1 unsolved in 727 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 58/58 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1271ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 103 ms.
Support contains 4 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 1269/1269 transitions.
Applied a total of 0 rules in 131 ms. Remains 58 /58 variables (removed 0) and now considering 1269/1269 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 131 ms. Remains : 58/58 places, 1269/1269 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 1269/1269 transitions.
Applied a total of 0 rules in 131 ms. Remains 58 /58 variables (removed 0) and now considering 1269/1269 (removed 0) transitions.
[2024-06-01 08:21:28] [INFO ] Invariant cache hit.
[2024-06-01 08:21:29] [INFO ] Implicit Places using invariants in 970 ms returned []
[2024-06-01 08:21:29] [INFO ] Invariant cache hit.
[2024-06-01 08:21:30] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:21:31] [INFO ] Implicit Places using invariants and state equation in 1642 ms returned []
Implicit Place search using SMT with State Equation took 2614 ms to find 0 implicit places.
[2024-06-01 08:21:31] [INFO ] Redundant transitions in 83 ms returned []
Running 1267 sub problems to find dead transitions.
[2024-06-01 08:21:31] [INFO ] Invariant cache hit.
[2024-06-01 08:21:31] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
At refinement iteration 2 (OVERLAPS) 1/58 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 58/1327 variables, and 13 constraints, problems are : Problem set: 0 solved, 1267 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/58 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1267/31 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1267 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
At refinement iteration 2 (OVERLAPS) 1/58 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 58/1327 variables, and 13 constraints, problems are : Problem set: 0 solved, 1267 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/58 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1236/31 constraints, Known Traps: 0/0 constraints]
After SMT, in 82596ms problems are : Problem set: 0 solved, 1267 unsolved
Search for dead transitions found 0 dead transitions in 82621ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85463 ms. Remains : 58/58 places, 1269/1269 transitions.
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 116 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 171 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 158 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 4 out of 347 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 347/347 places, 1774/1774 transitions.
Applied a total of 0 rules in 22 ms. Remains 347 /347 variables (removed 0) and now considering 1774/1774 (removed 0) transitions.
// Phase 1: matrix 1774 rows 347 cols
[2024-06-01 08:22:54] [INFO ] Computed 15 invariants in 20 ms
[2024-06-01 08:22:55] [INFO ] Implicit Places using invariants in 1244 ms returned []
[2024-06-01 08:22:55] [INFO ] Invariant cache hit.
[2024-06-01 08:22:57] [INFO ] Implicit Places using invariants and state equation in 2237 ms returned []
Implicit Place search using SMT with State Equation took 3484 ms to find 0 implicit places.
Running 1773 sub problems to find dead transitions.
[2024-06-01 08:22:57] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/346 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
SMT process timed out in 56529ms, After SMT, problems are : Problem set: 0 solved, 1773 unsolved
Search for dead transitions found 0 dead transitions in 56563ms
Finished structural reductions in LTL mode , in 1 iterations and 60080 ms. Remains : 347/347 places, 1774/1774 transitions.
Computed a total of 51 stabilizing places and 52 stable transitions
Computed a total of 51 stabilizing places and 52 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 120 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 163 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (303 resets) in 370 ms. (107 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (43 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 279098 steps, run timeout after 3001 ms. (steps per millisecond=93 ) properties seen :0 out of 1
Probabilistic random walk after 279098 steps, saw 51305 distinct states, run finished after 3001 ms. (steps per millisecond=93 ) properties seen :0
[2024-06-01 08:23:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 83/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 260/347 variables, 11/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-06-01 08:23:59] [INFO ] Deduced a trap composed of 31 places in 1777 ms of which 4 ms to minimize.
[2024-06-01 08:24:01] [INFO ] Deduced a trap composed of 32 places in 1889 ms of which 4 ms to minimize.
[2024-06-01 08:24:03] [INFO ] Deduced a trap composed of 31 places in 1841 ms of which 4 ms to minimize.
SMT process timed out in 5694ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 347 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 347/347 places, 1774/1774 transitions.
Graph (trivial) has 328 edges and 347 vertex of which 4 / 347 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Graph (complete) has 1862 edges and 345 vertex of which 343 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.6 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 125 transitions
Trivial Post-agglo rules discarded 125 transitions
Performed 125 trivial Post agglomeration. Transition count delta: 125
Iterating post reduction 0 with 127 rules applied. Total rules applied 129 place count 343 transition count 1643
Reduce places removed 125 places and 0 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 1 with 184 rules applied. Total rules applied 313 place count 218 transition count 1584
Reduce places removed 35 places and 0 transitions.
Iterating post reduction 2 with 35 rules applied. Total rules applied 348 place count 183 transition count 1584
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 348 place count 183 transition count 1578
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 360 place count 177 transition count 1578
Performed 82 Post agglomeration using F-continuation condition.Transition count delta: 82
Deduced a syphon composed of 82 places in 1 ms
Reduce places removed 82 places and 0 transitions.
Iterating global reduction 3 with 164 rules applied. Total rules applied 524 place count 95 transition count 1496
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 525 place count 95 transition count 1495
Discarding 20 places :
Symmetric choice reduction at 4 with 20 rule applications. Total rules 545 place count 75 transition count 1295
Iterating global reduction 4 with 20 rules applied. Total rules applied 565 place count 75 transition count 1295
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 575 place count 75 transition count 1285
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 577 place count 74 transition count 1284
Free-agglomeration rule applied 11 times.
Iterating global reduction 5 with 11 rules applied. Total rules applied 588 place count 74 transition count 1273
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 5 with 11 rules applied. Total rules applied 599 place count 63 transition count 1273
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 600 place count 63 transition count 1273
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 601 place count 62 transition count 1272
Applied a total of 601 rules in 624 ms. Remains 62 /347 variables (removed 285) and now considering 1272/1774 (removed 502) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 625 ms. Remains : 62/347 places, 1272/1774 transitions.
RANDOM walk for 40000 steps (131 resets) in 1249 ms. (32 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (140 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 563951 steps, run timeout after 3001 ms. (steps per millisecond=187 ) properties seen :0 out of 1
Probabilistic random walk after 563951 steps, saw 79309 distinct states, run finished after 3003 ms. (steps per millisecond=187 ) properties seen :0
// Phase 1: matrix 1272 rows 62 cols
[2024-06-01 08:24:07] [INFO ] Computed 15 invariants in 6 ms
[2024-06-01 08:24:07] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/21 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1242/1263 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1263 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/1334 variables, 41/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1334 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1334 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1334 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1334 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1334/1334 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 520 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 62/62 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/21 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1242/1263 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1263 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/1334 variables, 41/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1334 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1334 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1334 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1334 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1334/1334 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 777 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 62/62 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1329ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 99 ms.
Support contains 4 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 1272/1272 transitions.
Applied a total of 0 rules in 132 ms. Remains 62 /62 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 132 ms. Remains : 62/62 places, 1272/1272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 1272/1272 transitions.
Applied a total of 0 rules in 131 ms. Remains 62 /62 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
[2024-06-01 08:24:09] [INFO ] Invariant cache hit.
[2024-06-01 08:24:10] [INFO ] Implicit Places using invariants in 980 ms returned []
[2024-06-01 08:24:10] [INFO ] Invariant cache hit.
[2024-06-01 08:24:10] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:24:11] [INFO ] Implicit Places using invariants and state equation in 1707 ms returned [57, 61]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Implicit Place search using SMT with State Equation took 2693 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 60/62 places, 1271/1272 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 59 transition count 1270
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 59 transition count 1269
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 58 transition count 1269
Applied a total of 4 rules in 290 ms. Remains 58 /60 variables (removed 2) and now considering 1269/1271 (removed 2) transitions.
// Phase 1: matrix 1269 rows 58 cols
[2024-06-01 08:24:12] [INFO ] Computed 13 invariants in 10 ms
[2024-06-01 08:24:13] [INFO ] Implicit Places using invariants in 982 ms returned []
[2024-06-01 08:24:13] [INFO ] Invariant cache hit.
[2024-06-01 08:24:13] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:24:14] [INFO ] Implicit Places using invariants and state equation in 1634 ms returned []
Implicit Place search using SMT with State Equation took 2619 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 58/62 places, 1269/1272 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 5736 ms. Remains : 58/62 places, 1269/1272 transitions.
RANDOM walk for 40000 steps (42 resets) in 1638 ms. (24 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (139 resets) in 98 ms. (404 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 530619 steps, run timeout after 3001 ms. (steps per millisecond=176 ) properties seen :0 out of 1
Probabilistic random walk after 530619 steps, saw 73003 distinct states, run finished after 3001 ms. (steps per millisecond=176 ) properties seen :0
[2024-06-01 08:24:18] [INFO ] Invariant cache hit.
[2024-06-01 08:24:18] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 16/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1242/1262 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1262 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1262 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 65/1327 variables, 38/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1327 variables, 9/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1327 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1327 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1327/1327 variables, and 73 constraints, problems are : Problem set: 0 solved, 1 unsolved in 539 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 58/58 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 16/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1242/1262 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1262 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1262 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 65/1327 variables, 38/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1327 variables, 9/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1327 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1327 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1327/1327 variables, and 73 constraints, problems are : Problem set: 0 solved, 1 unsolved in 647 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 58/58 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1224ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 104 ms.
Support contains 4 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 1269/1269 transitions.
Applied a total of 0 rules in 132 ms. Remains 58 /58 variables (removed 0) and now considering 1269/1269 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 132 ms. Remains : 58/58 places, 1269/1269 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 1269/1269 transitions.
Applied a total of 0 rules in 132 ms. Remains 58 /58 variables (removed 0) and now considering 1269/1269 (removed 0) transitions.
[2024-06-01 08:24:19] [INFO ] Invariant cache hit.
[2024-06-01 08:24:20] [INFO ] Implicit Places using invariants in 833 ms returned []
[2024-06-01 08:24:20] [INFO ] Invariant cache hit.
[2024-06-01 08:24:21] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:24:21] [INFO ] Implicit Places using invariants and state equation in 1229 ms returned []
Implicit Place search using SMT with State Equation took 2064 ms to find 0 implicit places.
[2024-06-01 08:24:21] [INFO ] Redundant transitions in 54 ms returned []
Running 1267 sub problems to find dead transitions.
[2024-06-01 08:24:22] [INFO ] Invariant cache hit.
[2024-06-01 08:24:22] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
At refinement iteration 2 (OVERLAPS) 1/58 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 58/1327 variables, and 13 constraints, problems are : Problem set: 0 solved, 1267 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/58 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1267/31 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1267 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
At refinement iteration 2 (OVERLAPS) 1/58 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1267 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 58/1327 variables, and 13 constraints, problems are : Problem set: 0 solved, 1267 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/58 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1236/31 constraints, Known Traps: 0/0 constraints]
After SMT, in 83122ms problems are : Problem set: 0 solved, 1267 unsolved
Search for dead transitions found 0 dead transitions in 83138ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85400 ms. Remains : 58/58 places, 1269/1269 transitions.
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 111 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 215 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 164 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 164 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 775 reset in 765 ms.
Product exploration explored 100000 steps with 770 reset in 537 ms.
Applying partial POR strategy [true, true, false, false]
Stuttering acceptance computed with spot in 133 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 4 out of 347 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 347/347 places, 1774/1774 transitions.
Graph (trivial) has 328 edges and 347 vertex of which 4 / 347 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 124 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 124 rules applied. Total rules applied 125 place count 345 transition count 1772
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 148 place count 345 transition count 1749
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 25 Pre rules applied. Total rules applied 148 place count 345 transition count 1749
Deduced a syphon composed of 149 places in 2 ms
Iterating global reduction 2 with 25 rules applied. Total rules applied 173 place count 345 transition count 1749
Discarding 107 places :
Symmetric choice reduction at 2 with 107 rule applications. Total rules 280 place count 238 transition count 1642
Deduced a syphon composed of 43 places in 2 ms
Iterating global reduction 2 with 107 rules applied. Total rules applied 387 place count 238 transition count 1642
Performed 98 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 141 places in 0 ms
Iterating global reduction 2 with 98 rules applied. Total rules applied 485 place count 238 transition count 1655
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 487 place count 238 transition count 1653
Discarding 83 places :
Symmetric choice reduction at 3 with 83 rule applications. Total rules 570 place count 155 transition count 1390
Deduced a syphon composed of 78 places in 1 ms
Iterating global reduction 3 with 83 rules applied. Total rules applied 653 place count 155 transition count 1390
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 3 with 20 rules applied. Total rules applied 673 place count 155 transition count 1370
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 684 place count 144 transition count 1359
Deduced a syphon composed of 67 places in 0 ms
Iterating global reduction 4 with 11 rules applied. Total rules applied 695 place count 144 transition count 1359
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 68 places in 0 ms
Iterating global reduction 4 with 1 rules applied. Total rules applied 696 place count 144 transition count 1359
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 698 place count 142 transition count 1357
Deduced a syphon composed of 66 places in 1 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 700 place count 142 transition count 1357
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 67 places in 0 ms
Iterating global reduction 4 with 1 rules applied. Total rules applied 701 place count 142 transition count 1359
Deduced a syphon composed of 67 places in 0 ms
Applied a total of 701 rules in 348 ms. Remains 142 /347 variables (removed 205) and now considering 1359/1774 (removed 415) transitions.
[2024-06-01 08:25:47] [INFO ] Redundant transitions in 54 ms returned []
Running 1358 sub problems to find dead transitions.
// Phase 1: matrix 1359 rows 142 cols
[2024-06-01 08:25:47] [INFO ] Computed 14 invariants in 9 ms
[2024-06-01 08:25:47] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/141 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1358 unsolved
At refinement iteration 1 (OVERLAPS) 1/142 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1358 unsolved
[2024-06-01 08:26:28] [INFO ] Deduced a trap composed of 5 places in 103 ms of which 2 ms to minimize.
[2024-06-01 08:26:29] [INFO ] Deduced a trap composed of 5 places in 1416 ms of which 2 ms to minimize.
[2024-06-01 08:26:31] [INFO ] Deduced a trap composed of 4 places in 1306 ms of which 2 ms to minimize.
[2024-06-01 08:26:32] [INFO ] Deduced a trap composed of 5 places in 1134 ms of which 2 ms to minimize.
[2024-06-01 08:26:32] [INFO ] Deduced a trap composed of 3 places in 78 ms of which 1 ms to minimize.
Problem TDEAD5 is UNSAT
[2024-06-01 08:26:33] [INFO ] Deduced a trap composed of 8 places in 1130 ms of which 1 ms to minimize.
Problem TDEAD19 is UNSAT
[2024-06-01 08:26:34] [INFO ] Deduced a trap composed of 14 places in 1047 ms of which 2 ms to minimize.
[2024-06-01 08:26:35] [INFO ] Deduced a trap composed of 14 places in 1032 ms of which 1 ms to minimize.
[2024-06-01 08:26:36] [INFO ] Deduced a trap composed of 14 places in 918 ms of which 1 ms to minimize.
[2024-06-01 08:26:37] [INFO ] Deduced a trap composed of 14 places in 810 ms of which 2 ms to minimize.
[2024-06-01 08:26:38] [INFO ] Deduced a trap composed of 12 places in 1059 ms of which 2 ms to minimize.
Problem TDEAD29 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 142/1501 variables, and 25 constraints, problems are : Problem set: 3 solved, 1355 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/142 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1358/120 constraints, Known Traps: 11/11 constraints]
Escalating to Integer solving :Problem set: 3 solved, 1355 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 1355 unsolved
At refinement iteration 1 (OVERLAPS) 4/142 variables, 14/14 constraints. Problems are: Problem set: 3 solved, 1355 unsolved
Problem TDEAD1084 is UNSAT
Problem TDEAD1090 is UNSAT
Problem TDEAD1106 is UNSAT
Problem TDEAD1107 is UNSAT
Problem TDEAD1110 is UNSAT
Problem TDEAD1112 is UNSAT
Problem TDEAD1116 is UNSAT
Problem TDEAD1120 is UNSAT
Problem TDEAD1124 is UNSAT
Problem TDEAD1128 is UNSAT
Problem TDEAD1132 is UNSAT
Problem TDEAD1133 is UNSAT
Problem TDEAD1136 is UNSAT
Problem TDEAD1137 is UNSAT
Problem TDEAD1355 is UNSAT
Problem TDEAD1356 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/142 variables, 11/25 constraints. Problems are: Problem set: 19 solved, 1339 unsolved
[2024-06-01 08:27:06] [INFO ] Deduced a trap composed of 6 places in 605 ms of which 2 ms to minimize.
Problem TDEAD1055 is UNSAT
[2024-06-01 08:27:07] [INFO ] Deduced a trap composed of 6 places in 619 ms of which 1 ms to minimize.
Problem TDEAD1056 is UNSAT
[2024-06-01 08:27:07] [INFO ] Deduced a trap composed of 6 places in 593 ms of which 2 ms to minimize.
Problem TDEAD1057 is UNSAT
[2024-06-01 08:27:08] [INFO ] Deduced a trap composed of 6 places in 699 ms of which 1 ms to minimize.
Problem TDEAD1058 is UNSAT
[2024-06-01 08:27:09] [INFO ] Deduced a trap composed of 6 places in 652 ms of which 2 ms to minimize.
Problem TDEAD1059 is UNSAT
[2024-06-01 08:27:09] [INFO ] Deduced a trap composed of 6 places in 707 ms of which 2 ms to minimize.
Problem TDEAD1060 is UNSAT
[2024-06-01 08:27:10] [INFO ] Deduced a trap composed of 6 places in 736 ms of which 2 ms to minimize.
Problem TDEAD1061 is UNSAT
[2024-06-01 08:27:11] [INFO ] Deduced a trap composed of 6 places in 753 ms of which 2 ms to minimize.
SMT process timed out in 83595ms, After SMT, problems are : Problem set: 19 solved, 1339 unsolved
Search for dead transitions found 26 dead transitions in 83615ms
Found 26 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 26 transitions
Dead transitions reduction (with SMT) removed 26 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 142/347 places, 1333/1774 transitions.
Graph (complete) has 1121 edges and 142 vertex of which 117 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.9 ms
Discarding 25 places :
Also discarding 0 output transitions
Deduced a syphon composed of 42 places in 0 ms
Applied a total of 1 rules in 173 ms. Remains 117 /142 variables (removed 25) and now considering 1333/1333 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 117/347 places, 1333/1774 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 84203 ms. Remains : 117/347 places, 1333/1774 transitions.
Support contains 4 out of 347 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 347/347 places, 1774/1774 transitions.
Applied a total of 0 rules in 20 ms. Remains 347 /347 variables (removed 0) and now considering 1774/1774 (removed 0) transitions.
// Phase 1: matrix 1774 rows 347 cols
[2024-06-01 08:27:11] [INFO ] Computed 15 invariants in 17 ms
[2024-06-01 08:27:12] [INFO ] Implicit Places using invariants in 1180 ms returned []
[2024-06-01 08:27:12] [INFO ] Invariant cache hit.
[2024-06-01 08:27:15] [INFO ] Implicit Places using invariants and state equation in 2196 ms returned []
Implicit Place search using SMT with State Equation took 3378 ms to find 0 implicit places.
Running 1773 sub problems to find dead transitions.
[2024-06-01 08:27:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/346 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
SMT process timed out in 57395ms, After SMT, problems are : Problem set: 0 solved, 1773 unsolved
Search for dead transitions found 0 dead transitions in 57426ms
Finished structural reductions in LTL mode , in 1 iterations and 60831 ms. Remains : 347/347 places, 1774/1774 transitions.
Treatment of property AutonomousCar-PT-10b-LTLFireability-15 finished in 489714 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0&&(p1||G(p0))))||X(F(p2))))'
Found a Shortening insensitive property : AutonomousCar-PT-10b-LTLFireability-01
Stuttering acceptance computed with spot in 152 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Support contains 6 out of 352 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LI_LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Graph (trivial) has 311 edges and 352 vertex of which 4 / 352 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 129 transitions
Trivial Post-agglo rules discarded 129 transitions
Performed 129 trivial Post agglomeration. Transition count delta: 129
Iterating post reduction 0 with 129 rules applied. Total rules applied 130 place count 349 transition count 1647
Reduce places removed 129 places and 0 transitions.
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 34 transitions
Trivial Post-agglo rules discarded 34 transitions
Performed 34 trivial Post agglomeration. Transition count delta: 34
Iterating post reduction 1 with 186 rules applied. Total rules applied 316 place count 220 transition count 1590
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 2 with 34 rules applied. Total rules applied 350 place count 186 transition count 1590
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 350 place count 186 transition count 1584
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 362 place count 180 transition count 1584
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 365 place count 177 transition count 1581
Iterating global reduction 3 with 3 rules applied. Total rules applied 368 place count 177 transition count 1581
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 369 place count 176 transition count 1571
Iterating global reduction 3 with 1 rules applied. Total rules applied 370 place count 176 transition count 1571
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 3 with 2 rules applied. Total rules applied 372 place count 176 transition count 1569
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 373 place count 175 transition count 1569
Performed 66 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 66 places in 1 ms
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 5 with 132 rules applied. Total rules applied 505 place count 109 transition count 1502
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 506 place count 109 transition count 1501
Discarding 12 places :
Symmetric choice reduction at 6 with 12 rule applications. Total rules 518 place count 97 transition count 1386
Iterating global reduction 6 with 12 rules applied. Total rules applied 530 place count 97 transition count 1386
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 6 with 7 rules applied. Total rules applied 537 place count 97 transition count 1379
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 541 place count 95 transition count 1377
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 7 with 2 rules applied. Total rules applied 543 place count 95 transition count 1377
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 545 place count 93 transition count 1375
Applied a total of 545 rules in 567 ms. Remains 93 /352 variables (removed 259) and now considering 1375/1779 (removed 404) transitions.
// Phase 1: matrix 1375 rows 93 cols
[2024-06-01 08:28:13] [INFO ] Computed 14 invariants in 12 ms
[2024-06-01 08:28:14] [INFO ] Implicit Places using invariants in 550 ms returned []
[2024-06-01 08:28:14] [INFO ] Invariant cache hit.
[2024-06-01 08:28:15] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:28:15] [INFO ] Implicit Places using invariants and state equation in 1262 ms returned [88, 92]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1818 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 91/352 places, 1375/1779 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 90 transition count 1374
Applied a total of 2 rules in 76 ms. Remains 90 /91 variables (removed 1) and now considering 1374/1375 (removed 1) transitions.
// Phase 1: matrix 1374 rows 90 cols
[2024-06-01 08:28:15] [INFO ] Computed 12 invariants in 12 ms
[2024-06-01 08:28:16] [INFO ] Implicit Places using invariants in 520 ms returned []
[2024-06-01 08:28:16] [INFO ] Invariant cache hit.
[2024-06-01 08:28:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:28:17] [INFO ] Implicit Places using invariants and state equation in 1226 ms returned []
Implicit Place search using SMT with State Equation took 1753 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 90/352 places, 1374/1779 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 4218 ms. Remains : 90/352 places, 1374/1779 transitions.
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-01
Product exploration explored 100000 steps with 44 reset in 247 ms.
Product exploration explored 100000 steps with 3581 reset in 1557 ms.
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Knowledge obtained : [(AND (NOT p2) p0), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2))), (X p0), (X (NOT p2)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X p0)), (X (X (NOT p2)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 9 factoid took 109 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 278 ms :[(AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2)]
RANDOM walk for 40000 steps (1433 resets) in 1174 ms. (34 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (116 resets) in 505 ms. (79 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (112 resets) in 502 ms. (79 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (111 resets) in 529 ms. (75 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (116 resets) in 514 ms. (77 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (112 resets) in 451 ms. (88 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (111 resets) in 477 ms. (83 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 145802 steps, run timeout after 3001 ms. (steps per millisecond=48 ) properties seen :0 out of 6
Probabilistic random walk after 145802 steps, saw 25487 distinct states, run finished after 3002 ms. (steps per millisecond=48 ) properties seen :0
[2024-06-01 08:28:23] [INFO ] Invariant cache hit.
[2024-06-01 08:28:23] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem apf4 is UNSAT
At refinement iteration 1 (OVERLAPS) 26/32 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 1323/1355 variables, 32/36 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1355 variables, 0/36 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 107/1462 variables, 57/93 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1462 variables, 8/101 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1462 variables, 0/101 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 1/1463 variables, 1/102 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1463 variables, 0/102 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 1/1464 variables, 1/103 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1464 variables, 0/103 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 0/1464 variables, 0/103 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1464/1464 variables, and 103 constraints, problems are : Problem set: 1 solved, 5 unsolved in 1149 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 90/90 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 26/32 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 1323/1355 variables, 32/36 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1355 variables, 0/36 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 107/1462 variables, 57/93 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1462 variables, 8/101 constraints. Problems are: Problem set: 1 solved, 5 unsolved
[2024-06-01 08:28:27] [INFO ] Deduced a trap composed of 8 places in 1471 ms of which 2 ms to minimize.
[2024-06-01 08:28:28] [INFO ] Deduced a trap composed of 7 places in 1399 ms of which 2 ms to minimize.
[2024-06-01 08:28:30] [INFO ] Deduced a trap composed of 8 places in 1251 ms of which 2 ms to minimize.
[2024-06-01 08:28:31] [INFO ] Deduced a trap composed of 7 places in 1255 ms of which 2 ms to minimize.
SMT process timed out in 7594ms, After SMT, problems are : Problem set: 1 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 1374/1374 transitions.
Graph (complete) has 1150 edges and 90 vertex of which 89 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.8 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 3 place count 89 transition count 1371
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 3 place count 89 transition count 1370
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 88 transition count 1370
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 17 place count 82 transition count 1364
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 23 place count 76 transition count 1298
Iterating global reduction 1 with 6 rules applied. Total rules applied 29 place count 76 transition count 1298
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 37 place count 72 transition count 1294
Free-agglomeration rule applied 12 times.
Iterating global reduction 1 with 12 rules applied. Total rules applied 49 place count 72 transition count 1282
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 61 place count 60 transition count 1282
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 62 place count 60 transition count 1283
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 63 place count 59 transition count 1283
Applied a total of 63 rules in 579 ms. Remains 59 /90 variables (removed 31) and now considering 1283/1374 (removed 91) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 581 ms. Remains : 59/90 places, 1283/1374 transitions.
RANDOM walk for 40000 steps (523 resets) in 4039 ms. (9 steps per ms) remains 2/5 properties
BEST_FIRST walk for 7393 steps (3 resets) in 42 ms. (171 steps per ms) remains 0/2 properties
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) p0), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2))), (X p0), (X (NOT p2)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X p0)), (X (X (NOT p2))), (G (OR p0 (NOT p2)))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) (NOT p2)))), (F (NOT p0)), (F p2), (F (NOT (AND p0 (NOT p2)))), (F (NOT (OR p0 p2)))]
Knowledge based reduction with 10 factoid took 305 ms. Reduced automaton from 5 states, 13 edges and 2 AP (stutter insensitive) to 7 states, 17 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 328 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false]
Stuttering acceptance computed with spot in 333 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false]
Support contains 6 out of 90 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 90/90 places, 1374/1374 transitions.
Applied a total of 0 rules in 135 ms. Remains 90 /90 variables (removed 0) and now considering 1374/1374 (removed 0) transitions.
[2024-06-01 08:28:34] [INFO ] Invariant cache hit.
[2024-06-01 08:28:34] [INFO ] Implicit Places using invariants in 513 ms returned []
[2024-06-01 08:28:34] [INFO ] Invariant cache hit.
[2024-06-01 08:28:35] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:28:36] [INFO ] Implicit Places using invariants and state equation in 1195 ms returned []
Implicit Place search using SMT with State Equation took 1711 ms to find 0 implicit places.
[2024-06-01 08:28:36] [INFO ] Redundant transitions in 89 ms returned [1089]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 1366 sub problems to find dead transitions.
// Phase 1: matrix 1373 rows 90 cols
[2024-06-01 08:28:36] [INFO ] Computed 12 invariants in 15 ms
[2024-06-01 08:28:36] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1366 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1366 unsolved
At refinement iteration 2 (OVERLAPS) 5/88 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1366 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 88/1463 variables, and 12 constraints, problems are : Problem set: 0 solved, 1366 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/90 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1366/60 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1366 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1366 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1366 unsolved
At refinement iteration 2 (OVERLAPS) 5/88 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1366 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 88/1463 variables, and 12 constraints, problems are : Problem set: 0 solved, 1366 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/90 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1306/60 constraints, Known Traps: 0/0 constraints]
After SMT, in 84642ms problems are : Problem set: 0 solved, 1366 unsolved
Search for dead transitions found 0 dead transitions in 84669ms
Starting structural reductions in SI_LTL mode, iteration 1 : 90/90 places, 1373/1374 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 88 transition count 1371
Applied a total of 2 rules in 143 ms. Remains 88 /90 variables (removed 2) and now considering 1371/1373 (removed 2) transitions.
// Phase 1: matrix 1371 rows 88 cols
[2024-06-01 08:30:01] [INFO ] Computed 12 invariants in 8 ms
[2024-06-01 08:30:01] [INFO ] Implicit Places using invariants in 333 ms returned []
[2024-06-01 08:30:01] [INFO ] Invariant cache hit.
[2024-06-01 08:30:01] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:30:02] [INFO ] Implicit Places using invariants and state equation in 1189 ms returned []
Implicit Place search using SMT with State Equation took 1524 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 88/90 places, 1371/1374 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 88292 ms. Remains : 88/90 places, 1371/1374 transitions.
Computed a total of 2 stabilizing places and 3 stable transitions
Computed a total of 2 stabilizing places and 3 stable transitions
Knowledge obtained : [(AND (NOT p2) p0), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2))), (X (NOT (AND p0 p2))), (X p0), (X (NOT (AND (NOT p0) p2))), (X (NOT p2)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT p2)))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 214 ms. Reduced automaton from 7 states, 17 edges and 2 AP (stutter insensitive) to 7 states, 18 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 364 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p2) (NOT p0)), false, false]
RANDOM walk for 40000 steps (1481 resets) in 3769 ms. (10 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (119 resets) in 336 ms. (118 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (114 resets) in 352 ms. (113 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (114 resets) in 376 ms. (106 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (112 resets) in 506 ms. (78 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (119 resets) in 522 ms. (76 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (117 resets) in 491 ms. (81 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 113448 steps, run timeout after 3001 ms. (steps per millisecond=37 ) properties seen :0 out of 6
Probabilistic random walk after 113448 steps, saw 22871 distinct states, run finished after 3007 ms. (steps per millisecond=37 ) properties seen :0
[2024-06-01 08:30:07] [INFO ] Invariant cache hit.
[2024-06-01 08:30:07] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem apf3 is UNSAT
At refinement iteration 1 (OVERLAPS) 26/32 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 1325/1357 variables, 32/36 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1357 variables, 0/36 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 101/1458 variables, 56/92 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1458 variables, 8/100 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1458 variables, 0/100 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 1/1459 variables, 1/101 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1459 variables, 0/101 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 0/1459 variables, 0/101 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1459/1459 variables, and 101 constraints, problems are : Problem set: 1 solved, 5 unsolved in 822 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 88/88 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 26/32 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 1325/1357 variables, 32/36 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1357 variables, 0/36 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 101/1458 variables, 56/92 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1458 variables, 8/100 constraints. Problems are: Problem set: 1 solved, 5 unsolved
[2024-06-01 08:30:10] [INFO ] Deduced a trap composed of 7 places in 1127 ms of which 2 ms to minimize.
[2024-06-01 08:30:11] [INFO ] Deduced a trap composed of 8 places in 1063 ms of which 2 ms to minimize.
[2024-06-01 08:30:13] [INFO ] Deduced a trap composed of 7 places in 1348 ms of which 2 ms to minimize.
[2024-06-01 08:30:14] [INFO ] Deduced a trap composed of 7 places in 1260 ms of which 2 ms to minimize.
SMT process timed out in 6439ms, After SMT, problems are : Problem set: 1 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 1371/1371 transitions.
Graph (complete) has 1143 edges and 88 vertex of which 87 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.9 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 87 transition count 1369
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 2 place count 87 transition count 1368
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 4 place count 86 transition count 1368
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 16 place count 80 transition count 1362
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 22 place count 74 transition count 1296
Iterating global reduction 1 with 6 rules applied. Total rules applied 28 place count 74 transition count 1296
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 36 place count 70 transition count 1292
Free-agglomeration rule applied 12 times.
Iterating global reduction 1 with 12 rules applied. Total rules applied 48 place count 70 transition count 1280
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 60 place count 58 transition count 1280
Applied a total of 60 rules in 400 ms. Remains 58 /88 variables (removed 30) and now considering 1280/1371 (removed 91) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 400 ms. Remains : 58/88 places, 1280/1371 transitions.
RANDOM walk for 40000 steps (517 resets) in 4132 ms. (9 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (35 resets) in 254 ms. (156 steps per ms) remains 2/5 properties
BEST_FIRST walk for 7555 steps (5 resets) in 41 ms. (179 steps per ms) remains 0/2 properties
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) p0), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2))), (X (NOT (AND p0 p2))), (X p0), (X (NOT (AND (NOT p0) p2))), (X (NOT p2)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT p2))), (G (OR p0 (NOT p2)))]
False Knowledge obtained : [(F (NOT p0)), (F p2), (F (NOT (OR p0 p2))), (F (NOT (OR (NOT p0) (NOT p2)))), (F (NOT (AND p0 (NOT p2))))]
Knowledge based reduction with 14 factoid took 379 ms. Reduced automaton from 7 states, 18 edges and 2 AP (stutter insensitive) to 7 states, 17 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 353 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false]
Stuttering acceptance computed with spot in 354 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false]
Stuttering acceptance computed with spot in 348 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false]
Product exploration explored 100000 steps with 178 reset in 339 ms.
Product exploration explored 100000 steps with 2056 reset in 1118 ms.
Support contains 6 out of 88 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 88/88 places, 1371/1371 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 88 transition count 1370
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 87 transition count 1370
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 14 place count 81 transition count 1364
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 20 place count 75 transition count 1298
Iterating global reduction 0 with 6 rules applied. Total rules applied 26 place count 75 transition count 1298
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 34 place count 71 transition count 1294
Applied a total of 34 rules in 180 ms. Remains 71 /88 variables (removed 17) and now considering 1294/1371 (removed 77) transitions.
// Phase 1: matrix 1294 rows 71 cols
[2024-06-01 08:30:19] [INFO ] Computed 12 invariants in 9 ms
[2024-06-01 08:30:20] [INFO ] Implicit Places using invariants in 871 ms returned []
[2024-06-01 08:30:20] [INFO ] Invariant cache hit.
[2024-06-01 08:30:20] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:30:21] [INFO ] Implicit Places using invariants and state equation in 1788 ms returned []
Implicit Place search using SMT with State Equation took 2666 ms to find 0 implicit places.
[2024-06-01 08:30:21] [INFO ] Redundant transitions in 89 ms returned []
Running 1292 sub problems to find dead transitions.
[2024-06-01 08:30:22] [INFO ] Invariant cache hit.
[2024-06-01 08:30:22] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1292 unsolved
At refinement iteration 2 (OVERLAPS) 1/71 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 71/1365 variables, and 12 constraints, problems are : Problem set: 0 solved, 1292 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/71 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1292/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1292 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1292 unsolved
At refinement iteration 2 (OVERLAPS) 1/71 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 71/1365 variables, and 12 constraints, problems are : Problem set: 0 solved, 1292 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/71 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1247/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 83372ms problems are : Problem set: 0 solved, 1292 unsolved
Search for dead transitions found 0 dead transitions in 83398ms
Starting structural reductions in SI_LTL mode, iteration 1 : 71/88 places, 1294/1371 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 86348 ms. Remains : 71/88 places, 1294/1371 transitions.
Treatment of property AutonomousCar-PT-10b-LTLFireability-01 finished in 212881 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(p1))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G((p1&&F(p2)))||p0))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X((p0||F(G((p1 U !p2)))))))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((p0&&(G(F(p0))||p1))))))'
Found a Lengthening insensitive property : AutonomousCar-PT-10b-LTLFireability-15
Stuttering acceptance computed with spot in 158 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 4 out of 352 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LI_LTL mode, iteration 0 : 352/352 places, 1779/1779 transitions.
Graph (trivial) has 332 edges and 352 vertex of which 4 / 352 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 129 transitions
Trivial Post-agglo rules discarded 129 transitions
Performed 129 trivial Post agglomeration. Transition count delta: 129
Iterating post reduction 0 with 129 rules applied. Total rules applied 130 place count 349 transition count 1647
Reduce places removed 129 places and 0 transitions.
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 34 transitions
Trivial Post-agglo rules discarded 34 transitions
Performed 34 trivial Post agglomeration. Transition count delta: 34
Iterating post reduction 1 with 186 rules applied. Total rules applied 316 place count 220 transition count 1590
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 2 with 34 rules applied. Total rules applied 350 place count 186 transition count 1590
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 350 place count 186 transition count 1584
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 362 place count 180 transition count 1584
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 365 place count 177 transition count 1581
Iterating global reduction 3 with 3 rules applied. Total rules applied 368 place count 177 transition count 1581
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 369 place count 176 transition count 1571
Iterating global reduction 3 with 1 rules applied. Total rules applied 370 place count 176 transition count 1571
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 3 with 2 rules applied. Total rules applied 372 place count 176 transition count 1569
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 373 place count 175 transition count 1569
Performed 78 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 78 places in 0 ms
Reduce places removed 78 places and 0 transitions.
Iterating global reduction 5 with 156 rules applied. Total rules applied 529 place count 97 transition count 1490
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 530 place count 97 transition count 1489
Discarding 18 places :
Symmetric choice reduction at 6 with 18 rule applications. Total rules 548 place count 79 transition count 1310
Iterating global reduction 6 with 18 rules applied. Total rules applied 566 place count 79 transition count 1310
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 6 with 9 rules applied. Total rules applied 575 place count 79 transition count 1301
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 579 place count 77 transition count 1299
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 581 place count 75 transition count 1297
Applied a total of 581 rules in 399 ms. Remains 75 /352 variables (removed 277) and now considering 1297/1779 (removed 482) transitions.
// Phase 1: matrix 1297 rows 75 cols
[2024-06-01 08:31:47] [INFO ] Computed 14 invariants in 10 ms
[2024-06-01 08:31:48] [INFO ] Implicit Places using invariants in 1001 ms returned []
[2024-06-01 08:31:48] [INFO ] Invariant cache hit.
[2024-06-01 08:31:49] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:31:50] [INFO ] Implicit Places using invariants and state equation in 1733 ms returned [70, 74]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 2739 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 73/352 places, 1297/1779 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 72 transition count 1296
Applied a total of 2 rules in 74 ms. Remains 72 /73 variables (removed 1) and now considering 1296/1297 (removed 1) transitions.
// Phase 1: matrix 1296 rows 72 cols
[2024-06-01 08:31:50] [INFO ] Computed 12 invariants in 10 ms
[2024-06-01 08:31:51] [INFO ] Implicit Places using invariants in 1000 ms returned []
[2024-06-01 08:31:51] [INFO ] Invariant cache hit.
[2024-06-01 08:31:51] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:31:52] [INFO ] Implicit Places using invariants and state equation in 1710 ms returned []
Implicit Place search using SMT with State Equation took 2716 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 72/352 places, 1296/1779 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 5931 ms. Remains : 72/352 places, 1296/1779 transitions.
Running random walk in product with property : AutonomousCar-PT-10b-LTLFireability-15
Product exploration explored 100000 steps with 1840 reset in 745 ms.
Product exploration explored 100000 steps with 289 reset in 171 ms.
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 68 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 109 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (2021 resets) in 729 ms. (54 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (112 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 408685 steps, run timeout after 3001 ms. (steps per millisecond=136 ) properties seen :0 out of 1
Probabilistic random walk after 408685 steps, saw 68575 distinct states, run finished after 3004 ms. (steps per millisecond=136 ) properties seen :0
[2024-06-01 08:31:57] [INFO ] Invariant cache hit.
[2024-06-01 08:31:57] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/21 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1253/1274 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1274 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/1366 variables, 50/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1366 variables, 9/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1366 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/1367 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1367 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/1368 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1368 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/1368 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1368/1368 variables, and 85 constraints, problems are : Problem set: 0 solved, 1 unsolved in 854 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 72/72 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/21 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1253/1274 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1274 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/1366 variables, 50/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1366 variables, 9/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1366 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/1367 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1367 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/1368 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1368 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/1368 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1368/1368 variables, and 85 constraints, problems are : Problem set: 0 solved, 1 unsolved in 598 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 72/72 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1479ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 84 ms.
Support contains 4 out of 72 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 72/72 places, 1296/1296 transitions.
Graph (complete) has 1052 edges and 72 vertex of which 71 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.7 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 3 place count 71 transition count 1293
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 70 transition count 1282
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 70 transition count 1282
Free-agglomeration rule applied 11 times.
Iterating global reduction 1 with 11 rules applied. Total rules applied 16 place count 70 transition count 1271
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 27 place count 59 transition count 1271
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 28 place count 59 transition count 1272
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 29 place count 58 transition count 1272
Applied a total of 29 rules in 421 ms. Remains 58 /72 variables (removed 14) and now considering 1272/1296 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 421 ms. Remains : 58/72 places, 1272/1296 transitions.
RANDOM walk for 40000 steps (179 resets) in 1247 ms. (32 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (139 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 547466 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 1
Probabilistic random walk after 547466 steps, saw 74416 distinct states, run finished after 3004 ms. (steps per millisecond=182 ) properties seen :0
// Phase 1: matrix 1272 rows 58 cols
[2024-06-01 08:32:02] [INFO ] Computed 12 invariants in 11 ms
[2024-06-01 08:32:02] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/19 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1245/1264 variables, 19/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1264 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1264 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 66/1330 variables, 39/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1330 variables, 9/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1330 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1330 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1330/1330 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 784 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 58/58 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/19 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1245/1264 variables, 19/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1264 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1264 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 66/1330 variables, 39/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1330 variables, 9/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1330 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1330 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1330/1330 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 764 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 58/58 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1583ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 101 ms.
Support contains 4 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 1272/1272 transitions.
Applied a total of 0 rules in 133 ms. Remains 58 /58 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 133 ms. Remains : 58/58 places, 1272/1272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 1272/1272 transitions.
Applied a total of 0 rules in 132 ms. Remains 58 /58 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
[2024-06-01 08:32:04] [INFO ] Invariant cache hit.
[2024-06-01 08:32:05] [INFO ] Implicit Places using invariants in 979 ms returned []
[2024-06-01 08:32:05] [INFO ] Invariant cache hit.
[2024-06-01 08:32:06] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:32:07] [INFO ] Implicit Places using invariants and state equation in 1592 ms returned []
Implicit Place search using SMT with State Equation took 2573 ms to find 0 implicit places.
[2024-06-01 08:32:07] [INFO ] Redundant transitions in 87 ms returned []
Running 1270 sub problems to find dead transitions.
[2024-06-01 08:32:07] [INFO ] Invariant cache hit.
[2024-06-01 08:32:07] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
At refinement iteration 2 (OVERLAPS) 1/58 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 58/1330 variables, and 12 constraints, problems are : Problem set: 0 solved, 1270 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/58 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1270/31 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1270 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
At refinement iteration 2 (OVERLAPS) 1/58 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 58/1330 variables, and 12 constraints, problems are : Problem set: 0 solved, 1270 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/58 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1239/31 constraints, Known Traps: 0/0 constraints]
After SMT, in 83706ms problems are : Problem set: 0 solved, 1270 unsolved
Search for dead transitions found 0 dead transitions in 83731ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 86548 ms. Remains : 58/58 places, 1272/1272 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 84 ms. Remains 58 /58 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-06-01 08:33:31] [INFO ] Invariant cache hit.
[2024-06-01 08:33:31] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
SMT process timed out, exceeded limit of 225
[2024-06-01 08:33:31] [INFO ] After 589ms SMT Verify possible using After timeout in real domain returned unsat :0 sat :1
[2024-06-01 08:33:31] [INFO ] After 641ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 760 ms.
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 104 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 172 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 167 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 4 out of 72 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 1296/1296 transitions.
Applied a total of 0 rules in 11 ms. Remains 72 /72 variables (removed 0) and now considering 1296/1296 (removed 0) transitions.
// Phase 1: matrix 1296 rows 72 cols
[2024-06-01 08:33:32] [INFO ] Computed 12 invariants in 11 ms
[2024-06-01 08:33:33] [INFO ] Implicit Places using invariants in 1038 ms returned []
[2024-06-01 08:33:33] [INFO ] Invariant cache hit.
[2024-06-01 08:33:34] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:33:35] [INFO ] Implicit Places using invariants and state equation in 1755 ms returned []
Implicit Place search using SMT with State Equation took 2801 ms to find 0 implicit places.
Running 1293 sub problems to find dead transitions.
[2024-06-01 08:33:35] [INFO ] Invariant cache hit.
[2024-06-01 08:33:35] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
At refinement iteration 2 (OVERLAPS) 1/72 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 72/1368 variables, and 12 constraints, problems are : Problem set: 0 solved, 1293 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/72 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1293/48 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1293 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
At refinement iteration 2 (OVERLAPS) 1/72 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1293 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 72/1368 variables, and 12 constraints, problems are : Problem set: 0 solved, 1293 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/72 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1245/48 constraints, Known Traps: 0/0 constraints]
After SMT, in 83101ms problems are : Problem set: 0 solved, 1293 unsolved
Search for dead transitions found 0 dead transitions in 83127ms
Finished structural reductions in LTL mode , in 1 iterations and 85944 ms. Remains : 72/72 places, 1296/1296 transitions.
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 114 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 170 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (1921 resets) in 909 ms. (43 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (118 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 413968 steps, run timeout after 3001 ms. (steps per millisecond=137 ) properties seen :0 out of 1
Probabilistic random walk after 413968 steps, saw 69544 distinct states, run finished after 3001 ms. (steps per millisecond=137 ) properties seen :0
[2024-06-01 08:35:01] [INFO ] Invariant cache hit.
[2024-06-01 08:35:01] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/21 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1253/1274 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1274 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/1366 variables, 50/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1366 variables, 9/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1366 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/1367 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1367 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/1368 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1368 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/1368 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1368/1368 variables, and 85 constraints, problems are : Problem set: 0 solved, 1 unsolved in 864 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 72/72 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/21 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1253/1274 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1274 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/1366 variables, 50/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1366 variables, 9/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1366 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/1367 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1367 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/1368 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1368 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/1368 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1368/1368 variables, and 85 constraints, problems are : Problem set: 0 solved, 1 unsolved in 834 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 72/72 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1723ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 113 ms.
Support contains 4 out of 72 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 72/72 places, 1296/1296 transitions.
Graph (complete) has 1052 edges and 72 vertex of which 71 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.10 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 3 place count 71 transition count 1293
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 70 transition count 1282
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 70 transition count 1282
Free-agglomeration rule applied 11 times.
Iterating global reduction 1 with 11 rules applied. Total rules applied 16 place count 70 transition count 1271
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 27 place count 59 transition count 1271
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 28 place count 59 transition count 1272
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 29 place count 58 transition count 1272
Applied a total of 29 rules in 388 ms. Remains 58 /72 variables (removed 14) and now considering 1272/1296 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 389 ms. Remains : 58/72 places, 1272/1296 transitions.
RANDOM walk for 40000 steps (191 resets) in 941 ms. (42 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (138 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 472001 steps, run timeout after 3001 ms. (steps per millisecond=157 ) properties seen :0 out of 1
Probabilistic random walk after 472001 steps, saw 65036 distinct states, run finished after 3001 ms. (steps per millisecond=157 ) properties seen :0
// Phase 1: matrix 1272 rows 58 cols
[2024-06-01 08:35:07] [INFO ] Computed 12 invariants in 6 ms
[2024-06-01 08:35:07] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/19 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1245/1264 variables, 19/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1264 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1264 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 66/1330 variables, 39/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1330 variables, 9/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1330 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1330 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1330/1330 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 787 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 58/58 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/19 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1245/1264 variables, 19/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1264 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1264 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 66/1330 variables, 39/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1330 variables, 9/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1330 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1330 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1330/1330 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 738 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 58/58 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1558ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 103 ms.
Support contains 4 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 1272/1272 transitions.
Applied a total of 0 rules in 133 ms. Remains 58 /58 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 133 ms. Remains : 58/58 places, 1272/1272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 1272/1272 transitions.
Applied a total of 0 rules in 132 ms. Remains 58 /58 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
[2024-06-01 08:35:09] [INFO ] Invariant cache hit.
[2024-06-01 08:35:10] [INFO ] Implicit Places using invariants in 994 ms returned []
[2024-06-01 08:35:10] [INFO ] Invariant cache hit.
[2024-06-01 08:35:10] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 08:35:11] [INFO ] Implicit Places using invariants and state equation in 1634 ms returned []
Implicit Place search using SMT with State Equation took 2630 ms to find 0 implicit places.
[2024-06-01 08:35:11] [INFO ] Redundant transitions in 86 ms returned []
Running 1270 sub problems to find dead transitions.
[2024-06-01 08:35:12] [INFO ] Invariant cache hit.
[2024-06-01 08:35:12] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
At refinement iteration 2 (OVERLAPS) 1/58 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 58/1330 variables, and 12 constraints, problems are : Problem set: 0 solved, 1270 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/58 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1270/31 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1270 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
At refinement iteration 2 (OVERLAPS) 1/58 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 58/1330 variables, and 12 constraints, problems are : Problem set: 0 solved, 1270 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/58 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1239/31 constraints, Known Traps: 0/0 constraints]
After SMT, in 84032ms problems are : Problem set: 0 solved, 1270 unsolved
Search for dead transitions found 0 dead transitions in 84059ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 86919 ms. Remains : 58/58 places, 1272/1272 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 133 ms. Remains 58 /58 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-06-01 08:36:36] [INFO ] Invariant cache hit.
[2024-06-01 08:36:36] [INFO ] [Real]Absence check using 12 positive place invariants in 5 ms returned sat
SMT process timed out, exceeded limit of 225
[2024-06-01 08:36:36] [INFO ] After 705ms SMT Verify possible using After timeout in real domain returned unsat :0 sat :1
[2024-06-01 08:36:36] [INFO ] After 751ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 931 ms.
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 103 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 153 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 159 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 155 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 84 reset in 177 ms.
Product exploration explored 100000 steps with 615 reset in 403 ms.
Applying partial POR strategy [true, true, false, false]
Stuttering acceptance computed with spot in 159 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 4 out of 72 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 72/72 places, 1296/1296 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 71 transition count 1285
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 71 transition count 1285
Applied a total of 2 rules in 202 ms. Remains 71 /72 variables (removed 1) and now considering 1285/1296 (removed 11) transitions.
[2024-06-01 08:36:38] [INFO ] Redundant transitions in 83 ms returned [1072]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT only with invariants) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 1281 sub problems to find dead transitions.
// Phase 1: matrix 1284 rows 71 cols
[2024-06-01 08:36:38] [INFO ] Computed 12 invariants in 11 ms
[2024-06-01 08:36:38] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1281 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1281 unsolved
At refinement iteration 2 (OVERLAPS) 1/70 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1281 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 70/1355 variables, and 12 constraints, problems are : Problem set: 0 solved, 1281 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/71 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1281/46 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1281 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1281 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1281 unsolved
At refinement iteration 2 (OVERLAPS) 1/70 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1281 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 70/1355 variables, and 12 constraints, problems are : Problem set: 0 solved, 1281 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/71 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1235/46 constraints, Known Traps: 0/0 constraints]
After SMT, in 83434ms problems are : Problem set: 0 solved, 1281 unsolved
Search for dead transitions found 0 dead transitions in 83460ms
Starting structural reductions in SI_LTL mode, iteration 1 : 71/72 places, 1284/1296 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 1 places in 1 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 71 transition count 1286
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 202 ms. Remains 71 /71 variables (removed 0) and now considering 1286/1284 (removed -2) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 71/72 places, 1286/1296 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 83960 ms. Remains : 71/72 places, 1286/1296 transitions.
Support contains 4 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 1296/1296 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 71 transition count 1285
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 71 transition count 1285
Applied a total of 2 rules in 23 ms. Remains 71 /72 variables (removed 1) and now considering 1285/1296 (removed 11) transitions.
// Phase 1: matrix 1285 rows 71 cols
[2024-06-01 08:38:02] [INFO ] Computed 12 invariants in 11 ms
[2024-06-01 08:38:03] [INFO ] Implicit Places using invariants in 1044 ms returned []
[2024-06-01 08:38:03] [INFO ] Invariant cache hit.
[2024-06-01 08:38:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 08:38:05] [INFO ] Implicit Places using invariants and state equation in 1759 ms returned []
Implicit Place search using SMT with State Equation took 2806 ms to find 0 implicit places.
Running 1282 sub problems to find dead transitions.
[2024-06-01 08:38:05] [INFO ] Invariant cache hit.
[2024-06-01 08:38:05] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
At refinement iteration 2 (OVERLAPS) 1/71 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 71/1356 variables, and 12 constraints, problems are : Problem set: 0 solved, 1282 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/71 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1282/47 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1282 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
At refinement iteration 2 (OVERLAPS) 1/71 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 71/1356 variables, and 12 constraints, problems are : Problem set: 0 solved, 1282 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/71 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1235/47 constraints, Known Traps: 0/0 constraints]
After SMT, in 83121ms problems are : Problem set: 0 solved, 1282 unsolved
Search for dead transitions found 0 dead transitions in 83147ms
Starting structural reductions in LTL mode, iteration 1 : 71/72 places, 1285/1296 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 85979 ms. Remains : 71/72 places, 1285/1296 transitions.
Treatment of property AutonomousCar-PT-10b-LTLFireability-15 finished in 462091 ms.
[2024-06-01 08:39:29] [INFO ] Flatten gal took : 296 ms
[2024-06-01 08:39:29] [INFO ] Export to MCC of 7 properties in file /home/mcc/execution/LTLFireability.sr.xml took 8 ms.
[2024-06-01 08:39:29] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 352 places, 1779 transitions and 26470 arcs took 51 ms.
Total runtime 2955111 ms.
There are residual formulas that ITS could not solve within timeout
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 LTLFireability -timeout 360 -rebuildPNML
mcc2024
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="AutonomousCar-PT-10b"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 AutonomousCar-PT-10b, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r468-smll-171620167600372"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-10b.tgz
mv AutonomousCar-PT-10b execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;