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.r069-tall-171620503700075.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is CANConstruction-PT-090, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r069-tall-171620503700075
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 13M
-rw-r--r-- 1 mcc users 9.8K 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 6.6K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K May 19 07:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 19 15:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Apr 22 14:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 22 14:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 22 14:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:31 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 12M 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 CANConstruction-PT-090-LTLCardinality-00
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-01
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-02
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-03
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-04
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-05
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-06
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-07
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-08
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-09
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-10
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-11
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-12
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-13
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-14
FORMULA_NAME CANConstruction-PT-090-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1716380919234

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CANConstruction-PT-090
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-22 12:28:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-22 12:28:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 12:28:41] [INFO ] Load time of PNML (sax parser for PT used): 684 ms
[2024-05-22 12:28:41] [INFO ] Transformed 17282 places.
[2024-05-22 12:28:41] [INFO ] Transformed 33120 transitions.
[2024-05-22 12:28:41] [INFO ] Parsed PT model containing 17282 places and 33120 transitions and 99000 arcs in 904 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA CANConstruction-PT-090-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CANConstruction-PT-090-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CANConstruction-PT-090-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CANConstruction-PT-090-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 44 out of 17282 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 17282/17282 places, 33120/33120 transitions.
Discarding 7898 places :
Symmetric choice reduction at 0 with 7898 rule applications. Total rules 7898 place count 9384 transition count 17324
Iterating global reduction 0 with 7898 rules applied. Total rules applied 15796 place count 9384 transition count 17324
Applied a total of 15796 rules in 6426 ms. Remains 9384 /17282 variables (removed 7898) and now considering 17324/33120 (removed 15796) transitions.
// Phase 1: matrix 17324 rows 9384 cols
[2024-05-22 12:28:48] [INFO ] Computed 181 invariants in 263 ms
[2024-05-22 12:28:57] [INFO ] Implicit Places using invariants in 9592 ms returned [12, 26, 40, 54, 68, 82, 96, 110, 124, 138, 152, 166, 180, 194, 208, 222, 236, 250, 264, 278, 292, 306, 320, 334, 348, 362, 376, 390, 404, 418, 432, 446, 460, 474, 488, 502, 516, 530, 544, 558, 572, 586, 600, 614, 628, 642, 656, 670, 684, 698, 712, 726, 740, 754, 768, 782, 796, 810, 824, 838, 852, 866, 880, 894, 908, 922, 936, 950, 964, 978, 992, 1006, 1020, 1034, 1048, 1062, 1076, 1090, 1104, 1118, 1132, 1146, 1160, 1174, 1188, 1202, 1216, 1230, 1244, 1258]
Discarding 90 places :
Implicit Place search using SMT only with invariants took 9643 ms to find 90 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 9294/17282 places, 17324/33120 transitions.
Discarding 89 places :
Symmetric choice reduction at 0 with 89 rule applications. Total rules 89 place count 9205 transition count 17235
Iterating global reduction 0 with 89 rules applied. Total rules applied 178 place count 9205 transition count 17235
Applied a total of 178 rules in 6441 ms. Remains 9205 /9294 variables (removed 89) and now considering 17235/17324 (removed 89) transitions.
// Phase 1: matrix 17235 rows 9205 cols
[2024-05-22 12:29:04] [INFO ] Computed 91 invariants in 307 ms
[2024-05-22 12:29:13] [INFO ] Implicit Places using invariants in 8962 ms returned []
Implicit Place search using SMT only with invariants took 8965 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 9205/17282 places, 17235/33120 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 31499 ms. Remains : 9205/17282 places, 17235/33120 transitions.
Support contains 44 out of 9205 places after structural reductions.
[2024-05-22 12:29:14] [INFO ] Flatten gal took : 716 ms
[2024-05-22 12:29:14] [INFO ] Flatten gal took : 530 ms
[2024-05-22 12:29:15] [INFO ] Input system was already deterministic with 17235 transitions.
RANDOM walk for 40000 steps (23 resets) in 3185 ms. (12 steps per ms) remains 14/26 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 158 ms. (251 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 94 ms. (421 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 71 ms. (555 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 14/14 properties
[2024-05-22 12:29:17] [INFO ] Invariant cache hit.
[2024-05-22 12:29:17] [INFO ] State equation strengthened by 16110 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp17 is UNSAT
Problem AtomicPropp18 is UNSAT
Problem AtomicPropp19 is UNSAT
Problem AtomicPropp24 is UNSAT
At refinement iteration 1 (OVERLAPS) 9114/9135 variables, 22/22 constraints. Problems are: Problem set: 6 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9135 variables, 0/22 constraints. Problems are: Problem set: 6 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 69/9204 variables, 69/91 constraints. Problems are: Problem set: 6 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9204 variables, 0/91 constraints. Problems are: Problem set: 6 solved, 8 unsolved
SMT process timed out in 5348ms, After SMT, problems are : Problem set: 6 solved, 8 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 15 out of 9205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9205/9205 places, 17235/17235 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 613 transitions
Trivial Post-agglo rules discarded 613 transitions
Performed 613 trivial Post agglomeration. Transition count delta: 613
Iterating post reduction 0 with 613 rules applied. Total rules applied 613 place count 9205 transition count 16622
Reduce places removed 613 places and 0 transitions.
Iterating post reduction 1 with 613 rules applied. Total rules applied 1226 place count 8592 transition count 16622
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 90 Pre rules applied. Total rules applied 1226 place count 8592 transition count 16532
Deduced a syphon composed of 90 places in 5 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 2 with 180 rules applied. Total rules applied 1406 place count 8502 transition count 16532
Discarding 13 places :
Symmetric choice reduction at 2 with 13 rule applications. Total rules 1419 place count 8489 transition count 16506
Iterating global reduction 2 with 13 rules applied. Total rules applied 1432 place count 8489 transition count 16506
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 2 with 9 rules applied. Total rules applied 1441 place count 8489 transition count 16497
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 1450 place count 8480 transition count 16497
Performed 98 Post agglomeration using F-continuation condition.Transition count delta: 98
Deduced a syphon composed of 98 places in 8 ms
Reduce places removed 98 places and 0 transitions.
Iterating global reduction 4 with 196 rules applied. Total rules applied 1646 place count 8382 transition count 16399
Applied a total of 1646 rules in 9590 ms. Remains 8382 /9205 variables (removed 823) and now considering 16399/17235 (removed 836) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9594 ms. Remains : 8382/9205 places, 16399/17235 transitions.
RANDOM walk for 40000 steps (62 resets) in 1641 ms. (24 steps per ms) remains 4/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 69 ms. (571 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 steps per ms) remains 4/4 properties
// Phase 1: matrix 16399 rows 8382 cols
[2024-05-22 12:29:33] [INFO ] Computed 91 invariants in 453 ms
[2024-05-22 12:29:33] [INFO ] State equation strengthened by 16110 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 8291/8299 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8299 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 82/8381 variables, 82/91 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8381 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 16399/24780 variables, 8381/8472 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24780 variables, 16110/24582 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24780 variables, 0/24582 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 1/24781 variables, 1/24583 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/24781 variables, 0/24583 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 0/24781 variables, 0/24583 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24781/24781 variables, and 24583 constraints, problems are : Problem set: 0 solved, 4 unsolved in 20043 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 8382/8382 constraints, ReadFeed: 16110/16110 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 8291/8299 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-05-22 12:30:14] [INFO ] Deduced a trap composed of 2 places in 19348 ms of which 374 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/8299 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8299 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 82/8381 variables, 82/92 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-05-22 12:30:38] [INFO ] Deduced a trap composed of 93 places in 22276 ms of which 56 ms to minimize.
[2024-05-22 12:31:00] [INFO ] Deduced a trap composed of 93 places in 22030 ms of which 57 ms to minimize.
SMT process timed out in 87025ms, After SMT, problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 8 out of 8382 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8382/8382 places, 16399/16399 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 8378 transition count 16391
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 8378 transition count 16391
Applied a total of 8 rules in 5481 ms. Remains 8378 /8382 variables (removed 4) and now considering 16391/16399 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5481 ms. Remains : 8378/8382 places, 16391/16399 transitions.
Successfully simplified 6 atomic propositions for a total of 12 simplifications.
FORMULA CANConstruction-PT-090-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CANConstruction-PT-090-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 272 stabilizing places and 361 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' '!(G(F((G(p0)||(p1&&X(p1))))))'
Support contains 4 out of 9205 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9205/9205 places, 17235/17235 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 9185 transition count 17196
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 9185 transition count 17196
Applied a total of 40 rules in 6553 ms. Remains 9185 /9205 variables (removed 20) and now considering 17196/17235 (removed 39) transitions.
// Phase 1: matrix 17196 rows 9185 cols
[2024-05-22 12:31:12] [INFO ] Computed 91 invariants in 223 ms
[2024-05-22 12:31:20] [INFO ] Implicit Places using invariants in 8417 ms returned []
Implicit Place search using SMT only with invariants took 8419 ms to find 0 implicit places.
Running 17106 sub problems to find dead transitions.
[2024-05-22 12:31:21] [INFO ] Invariant cache hit.
[2024-05-22 12:31:21] [INFO ] State equation strengthened by 16110 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9184 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 17106 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 9184/26381 variables, and 91 constraints, problems are : Problem set: 0 solved, 17106 unsolved in 30264 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/9185 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 17106/17106 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17106 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9184 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 17106 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 9184/26381 variables, and 91 constraints, problems are : Problem set: 0 solved, 17106 unsolved in 30200 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/9185 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 0/17106 constraints, Known Traps: 0/0 constraints]
After SMT, in 97642ms problems are : Problem set: 0 solved, 17106 unsolved
Search for dead transitions found 0 dead transitions in 97825ms
Starting structural reductions in LTL mode, iteration 1 : 9185/9205 places, 17196/17235 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 112846 ms. Remains : 9185/9205 places, 17196/17235 transitions.
Stuttering acceptance computed with spot in 223 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CANConstruction-PT-090-LTLCardinality-00
Product exploration explored 100000 steps with 61 reset in 1613 ms.
Product exploration explored 100000 steps with 62 reset in 1570 ms.
Computed a total of 271 stabilizing places and 360 stable transitions
Computed a total of 271 stabilizing places and 360 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 120 ms. Reduced automaton from 3 states, 9 edges and 2 AP (stutter sensitive) to 3 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 110 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (22 resets) in 899 ms. (44 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 90 ms. (439 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 74 ms. (533 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 71 ms. (555 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 136722 steps, run timeout after 3002 ms. (steps per millisecond=45 ) properties seen :0 out of 6
Probabilistic random walk after 136722 steps, saw 134574 distinct states, run finished after 3005 ms. (steps per millisecond=45 ) properties seen :0
[2024-05-22 12:33:06] [INFO ] Invariant cache hit.
[2024-05-22 12:33:06] [INFO ] State equation strengthened by 16110 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 9094/9098 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9098 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 86/9184 variables, 86/91 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9184 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 26380/26381 variables, and 9275 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5012 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 9184/9185 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 9094/9098 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-05-22 12:33:33] [INFO ] Deduced a trap composed of 5 places in 21411 ms of which 59 ms to minimize.
SMT process timed out in 27609ms, After SMT, problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 9185 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9185/9185 places, 17196/17196 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 627 transitions
Trivial Post-agglo rules discarded 627 transitions
Performed 627 trivial Post agglomeration. Transition count delta: 627
Iterating post reduction 0 with 627 rules applied. Total rules applied 627 place count 9185 transition count 16569
Reduce places removed 627 places and 0 transitions.
Iterating post reduction 1 with 627 rules applied. Total rules applied 1254 place count 8558 transition count 16569
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 90 Pre rules applied. Total rules applied 1254 place count 8558 transition count 16479
Deduced a syphon composed of 90 places in 4 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 2 with 180 rules applied. Total rules applied 1434 place count 8468 transition count 16479
Performed 93 Post agglomeration using F-continuation condition.Transition count delta: 93
Deduced a syphon composed of 93 places in 4 ms
Reduce places removed 93 places and 0 transitions.
Iterating global reduction 2 with 186 rules applied. Total rules applied 1620 place count 8375 transition count 16386
Applied a total of 1620 rules in 6005 ms. Remains 8375 /9185 variables (removed 810) and now considering 16386/17196 (removed 810) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6006 ms. Remains : 8375/9185 places, 16386/17196 transitions.
RANDOM walk for 40000 steps (63 resets) in 1227 ms. (32 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 1/1 properties
// Phase 1: matrix 16386 rows 8375 cols
[2024-05-22 12:33:40] [INFO ] Computed 91 invariants in 463 ms
[2024-05-22 12:33:40] [INFO ] State equation strengthened by 16110 read => feed constraints.
All remaining problems are real, not stopping.
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) 8284/8288 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8288 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 86/8374 variables, 86/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8374 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 16386/24760 variables, 8374/8465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24760 variables, 16110/24575 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24760 variables, 0/24575 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/24761 variables, 1/24576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/24761 variables, 0/24576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/24761 variables, 0/24576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24761/24761 variables, and 24576 constraints, problems are : Problem set: 0 solved, 1 unsolved in 11189 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 8375/8375 constraints, ReadFeed: 16110/16110 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8284/8288 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 12:34:12] [INFO ] Deduced a trap composed of 2 places in 18959 ms of which 61 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/8288 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8288 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 86/8374 variables, 86/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 12:34:34] [INFO ] Deduced a trap composed of 93 places in 22138 ms of which 47 ms to minimize.
[2024-05-22 12:34:56] [INFO ] Deduced a trap composed of 93 places in 21561 ms of which 53 ms to minimize.
SMT process timed out in 76223ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 8375 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8375/8375 places, 16386/16386 transitions.
Applied a total of 0 rules in 2735 ms. Remains 8375 /8375 variables (removed 0) and now considering 16386/16386 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2735 ms. Remains : 8375/8375 places, 16386/16386 transitions.
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT p0)), (F p1), (F (NOT (AND p0 (NOT p1)))), (F (NOT (OR p0 p1))), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 13 factoid took 281 ms. Reduced automaton from 3 states, 9 edges and 2 AP (stutter sensitive) to 3 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 98 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 95 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 9185 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9185/9185 places, 17196/17196 transitions.
Applied a total of 0 rules in 3217 ms. Remains 9185 /9185 variables (removed 0) and now considering 17196/17196 (removed 0) transitions.
// Phase 1: matrix 17196 rows 9185 cols
[2024-05-22 12:35:03] [INFO ] Computed 91 invariants in 229 ms
[2024-05-22 12:35:11] [INFO ] Implicit Places using invariants in 8114 ms returned []
Implicit Place search using SMT only with invariants took 8121 ms to find 0 implicit places.
Running 17106 sub problems to find dead transitions.
[2024-05-22 12:35:11] [INFO ] Invariant cache hit.
[2024-05-22 12:35:11] [INFO ] State equation strengthened by 16110 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/9184 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 17106 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 9184/26381 variables, and 91 constraints, problems are : Problem set: 0 solved, 17106 unsolved in 30224 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/9185 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 17106/17106 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17106 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9184 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 17106 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 9184/26381 variables, and 91 constraints, problems are : Problem set: 0 solved, 17106 unsolved in 30235 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/9185 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 0/17106 constraints, Known Traps: 0/0 constraints]
After SMT, in 98913ms problems are : Problem set: 0 solved, 17106 unsolved
Search for dead transitions found 0 dead transitions in 99070ms
Finished structural reductions in LTL mode , in 1 iterations and 110447 ms. Remains : 9185/9185 places, 17196/17196 transitions.
Computed a total of 271 stabilizing places and 360 stable transitions
Computed a total of 271 stabilizing places and 360 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 114 ms. Reduced automaton from 3 states, 9 edges and 2 AP (stutter sensitive) to 3 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 100 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (23 resets) in 798 ms. (50 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 69 ms. (571 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 69 ms. (571 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 66 ms. (597 steps per ms) remains 3/3 properties
[2024-05-22 12:36:50] [INFO ] Invariant cache hit.
[2024-05-22 12:36:50] [INFO ] State equation strengthened by 16110 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 9094/9098 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9098 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 86/9184 variables, 86/91 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9184 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 26380/26381 variables, and 9275 constraints, problems are : Problem set: 0 solved, 3 unsolved in 5018 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 9184/9185 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 9094/9098 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-22 12:37:17] [INFO ] Deduced a trap composed of 5 places in 20978 ms of which 55 ms to minimize.
SMT process timed out in 27155ms, After SMT, problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 9185 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9185/9185 places, 17196/17196 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 627 transitions
Trivial Post-agglo rules discarded 627 transitions
Performed 627 trivial Post agglomeration. Transition count delta: 627
Iterating post reduction 0 with 627 rules applied. Total rules applied 627 place count 9185 transition count 16569
Reduce places removed 627 places and 0 transitions.
Iterating post reduction 1 with 627 rules applied. Total rules applied 1254 place count 8558 transition count 16569
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 90 Pre rules applied. Total rules applied 1254 place count 8558 transition count 16479
Deduced a syphon composed of 90 places in 5 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 2 with 180 rules applied. Total rules applied 1434 place count 8468 transition count 16479
Performed 93 Post agglomeration using F-continuation condition.Transition count delta: 93
Deduced a syphon composed of 93 places in 4 ms
Reduce places removed 93 places and 0 transitions.
Iterating global reduction 2 with 186 rules applied. Total rules applied 1620 place count 8375 transition count 16386
Applied a total of 1620 rules in 6078 ms. Remains 8375 /9185 variables (removed 810) and now considering 16386/17196 (removed 810) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6081 ms. Remains : 8375/9185 places, 16386/17196 transitions.
RANDOM walk for 40000 steps (62 resets) in 1034 ms. (38 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 193 ms. (206 steps per ms) remains 1/1 properties
// Phase 1: matrix 16386 rows 8375 cols
[2024-05-22 12:37:24] [INFO ] Computed 91 invariants in 487 ms
[2024-05-22 12:37:25] [INFO ] State equation strengthened by 16110 read => feed constraints.
All remaining problems are real, not stopping.
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) 8284/8288 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8288 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 86/8374 variables, 86/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8374 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 16386/24760 variables, 8374/8465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24760 variables, 16110/24575 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24760 variables, 0/24575 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/24761 variables, 1/24576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/24761 variables, 0/24576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/24761 variables, 0/24576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24761/24761 variables, and 24576 constraints, problems are : Problem set: 0 solved, 1 unsolved in 11301 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 8375/8375 constraints, ReadFeed: 16110/16110 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8284/8288 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 12:37:55] [INFO ] Deduced a trap composed of 2 places in 18506 ms of which 50 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/8288 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8288 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 86/8374 variables, 86/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 12:38:19] [INFO ] Deduced a trap composed of 93 places in 23065 ms of which 55 ms to minimize.
[2024-05-22 12:38:40] [INFO ] Deduced a trap composed of 93 places in 21261 ms of which 54 ms to minimize.
SMT process timed out in 76424ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 8375 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8375/8375 places, 16386/16386 transitions.
Applied a total of 0 rules in 2761 ms. Remains 8375 /8375 variables (removed 0) and now considering 16386/16386 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2761 ms. Remains : 8375/8375 places, 16386/16386 transitions.
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT p0)), (F p1), (F (NOT (AND p0 (NOT p1)))), (F (NOT (OR p0 p1))), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 13 factoid took 282 ms. Reduced automaton from 3 states, 9 edges and 2 AP (stutter sensitive) to 3 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 101 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 116 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 61 reset in 1702 ms.
Product exploration explored 100000 steps with 62 reset in 1577 ms.
Support contains 4 out of 9185 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9185/9185 places, 17196/17196 transitions.
Applied a total of 0 rules in 3272 ms. Remains 9185 /9185 variables (removed 0) and now considering 17196/17196 (removed 0) transitions.
// Phase 1: matrix 17196 rows 9185 cols
[2024-05-22 12:38:51] [INFO ] Computed 91 invariants in 222 ms
[2024-05-22 12:38:58] [INFO ] Implicit Places using invariants in 7828 ms returned []
Implicit Place search using SMT only with invariants took 7831 ms to find 0 implicit places.
Running 17106 sub problems to find dead transitions.
[2024-05-22 12:38:59] [INFO ] Invariant cache hit.
[2024-05-22 12:38:59] [INFO ] State equation strengthened by 16110 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/9184 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 17106 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 9184/26381 variables, and 91 constraints, problems are : Problem set: 0 solved, 17106 unsolved in 30209 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/9185 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 17106/17106 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17106 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9184 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 17106 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 9184/26381 variables, and 91 constraints, problems are : Problem set: 0 solved, 17106 unsolved in 30250 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/9185 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 0/17106 constraints, Known Traps: 0/0 constraints]
After SMT, in 96889ms problems are : Problem set: 0 solved, 17106 unsolved
Search for dead transitions found 0 dead transitions in 97047ms
Finished structural reductions in LTL mode , in 1 iterations and 108184 ms. Remains : 9185/9185 places, 17196/17196 transitions.
Treatment of property CANConstruction-PT-090-LTLCardinality-00 finished in 570827 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||F(p1)))))'
Support contains 4 out of 9205 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9205/9205 places, 17235/17235 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 614 transitions
Trivial Post-agglo rules discarded 614 transitions
Performed 614 trivial Post agglomeration. Transition count delta: 614
Iterating post reduction 0 with 614 rules applied. Total rules applied 614 place count 9205 transition count 16621
Reduce places removed 614 places and 0 transitions.
Iterating post reduction 1 with 614 rules applied. Total rules applied 1228 place count 8591 transition count 16621
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 90 Pre rules applied. Total rules applied 1228 place count 8591 transition count 16531
Deduced a syphon composed of 90 places in 3 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 2 with 180 rules applied. Total rules applied 1408 place count 8501 transition count 16531
Discarding 22 places :
Symmetric choice reduction at 2 with 22 rule applications. Total rules 1430 place count 8479 transition count 16487
Iterating global reduction 2 with 22 rules applied. Total rules applied 1452 place count 8479 transition count 16487
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 2 with 18 rules applied. Total rules applied 1470 place count 8479 transition count 16469
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 3 with 18 rules applied. Total rules applied 1488 place count 8461 transition count 16469
Performed 89 Post agglomeration using F-continuation condition.Transition count delta: 89
Deduced a syphon composed of 89 places in 3 ms
Reduce places removed 89 places and 0 transitions.
Iterating global reduction 4 with 178 rules applied. Total rules applied 1666 place count 8372 transition count 16380
Applied a total of 1666 rules in 8794 ms. Remains 8372 /9205 variables (removed 833) and now considering 16380/17235 (removed 855) transitions.
// Phase 1: matrix 16380 rows 8372 cols
[2024-05-22 12:40:46] [INFO ] Computed 91 invariants in 446 ms
[2024-05-22 12:40:53] [INFO ] Implicit Places using invariants in 7521 ms returned []
Implicit Place search using SMT only with invariants took 7524 ms to find 0 implicit places.
Running 16290 sub problems to find dead transitions.
[2024-05-22 12:40:53] [INFO ] Invariant cache hit.
[2024-05-22 12:40:53] [INFO ] State equation strengthened by 16110 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8371 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 16290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8371/24752 variables, and 91 constraints, problems are : Problem set: 0 solved, 16290 unsolved in 30214 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/8372 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 16290/16290 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16290 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8371 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 16290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8371/24752 variables, and 91 constraints, problems are : Problem set: 0 solved, 16290 unsolved in 30181 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/8372 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 0/16290 constraints, Known Traps: 0/0 constraints]
After SMT, in 94732ms problems are : Problem set: 0 solved, 16290 unsolved
Search for dead transitions found 0 dead transitions in 94879ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8372/9205 places, 16380/17235 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 111221 ms. Remains : 8372/9205 places, 16380/17235 transitions.
Stuttering acceptance computed with spot in 86 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CANConstruction-PT-090-LTLCardinality-01
Product exploration explored 100000 steps with 162 reset in 2186 ms.
Product exploration explored 100000 steps with 163 reset in 2298 ms.
Computed a total of 91 stabilizing places and 180 stable transitions
Computed a total of 91 stabilizing places and 180 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 84 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 61 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (62 resets) in 1080 ms. (37 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
[2024-05-22 12:42:33] [INFO ] Invariant cache hit.
[2024-05-22 12:42:33] [INFO ] State equation strengthened by 16110 read => feed constraints.
All remaining problems are real, not stopping.
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) 8281/8285 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8285 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 86/8371 variables, 86/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8371 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 24751/24752 variables, and 8462 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5020 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 8371/8372 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8281/8285 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 12:42:57] [INFO ] Deduced a trap composed of 2 places in 18117 ms of which 45 ms to minimize.
SMT process timed out in 24217ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 8372 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8372/8372 places, 16380/16380 transitions.
Applied a total of 0 rules in 2732 ms. Remains 8372 /8372 variables (removed 0) and now considering 16380/16380 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2734 ms. Remains : 8372/8372 places, 16380/16380 transitions.
RANDOM walk for 40000 steps (61 resets) in 1185 ms. (33 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 82 ms. (481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 44123 steps, run timeout after 3001 ms. (steps per millisecond=14 ) properties seen :0 out of 1
Probabilistic random walk after 44123 steps, saw 33376 distinct states, run finished after 3003 ms. (steps per millisecond=14 ) properties seen :0
[2024-05-22 12:43:03] [INFO ] Invariant cache hit.
[2024-05-22 12:43:03] [INFO ] State equation strengthened by 16110 read => feed constraints.
All remaining problems are real, not stopping.
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) 8281/8285 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8285 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 86/8371 variables, 86/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8371 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 16380/24751 variables, 8371/8462 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24751 variables, 16110/24572 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24751 variables, 0/24572 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/24752 variables, 1/24573 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/24752 variables, 0/24573 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/24752 variables, 0/24573 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24752/24752 variables, and 24573 constraints, problems are : Problem set: 0 solved, 1 unsolved in 10049 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 8372/8372 constraints, ReadFeed: 16110/16110 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8281/8285 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 12:43:34] [INFO ] Deduced a trap composed of 2 places in 19533 ms of which 49 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/8285 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8285 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 86/8371 variables, 86/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 12:43:57] [INFO ] Deduced a trap composed of 93 places in 22412 ms of which 53 ms to minimize.
[2024-05-22 12:44:18] [INFO ] Deduced a trap composed of 93 places in 21397 ms of which 48 ms to minimize.
SMT process timed out in 75104ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 8372 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8372/8372 places, 16380/16380 transitions.
Applied a total of 0 rules in 2777 ms. Remains 8372 /8372 variables (removed 0) and now considering 16380/16380 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2777 ms. Remains : 8372/8372 places, 16380/16380 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8372/8372 places, 16380/16380 transitions.
Applied a total of 0 rules in 2737 ms. Remains 8372 /8372 variables (removed 0) and now considering 16380/16380 (removed 0) transitions.
[2024-05-22 12:44:24] [INFO ] Invariant cache hit.
[2024-05-22 12:44:31] [INFO ] Implicit Places using invariants in 7195 ms returned []
Implicit Place search using SMT only with invariants took 7196 ms to find 0 implicit places.
Running 16290 sub problems to find dead transitions.
[2024-05-22 12:44:31] [INFO ] Invariant cache hit.
[2024-05-22 12:44:31] [INFO ] State equation strengthened by 16110 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8371 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 16290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8371/24752 variables, and 91 constraints, problems are : Problem set: 0 solved, 16290 unsolved in 30239 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/8372 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 16290/16290 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16290 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8371 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 16290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8371/24752 variables, and 91 constraints, problems are : Problem set: 0 solved, 16290 unsolved in 30182 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/8372 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 0/16290 constraints, Known Traps: 0/0 constraints]
After SMT, in 93916ms problems are : Problem set: 0 solved, 16290 unsolved
Search for dead transitions found 0 dead transitions in 94058ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 104012 ms. Remains : 8372/8372 places, 16380/16380 transitions.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F p0), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 9 factoid took 183 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 85 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 8372 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8372/8372 places, 16380/16380 transitions.
Applied a total of 0 rules in 2984 ms. Remains 8372 /8372 variables (removed 0) and now considering 16380/16380 (removed 0) transitions.
[2024-05-22 12:46:08] [INFO ] Invariant cache hit.
[2024-05-22 12:46:16] [INFO ] Implicit Places using invariants in 7544 ms returned []
Implicit Place search using SMT only with invariants took 7547 ms to find 0 implicit places.
Running 16290 sub problems to find dead transitions.
[2024-05-22 12:46:16] [INFO ] Invariant cache hit.
[2024-05-22 12:46:16] [INFO ] State equation strengthened by 16110 read => feed constraints.
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/8371 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 16290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8371/24752 variables, and 91 constraints, problems are : Problem set: 0 solved, 16290 unsolved in 30217 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/8372 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 16290/16290 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16290 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8371 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 16290 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 8371/24752 variables, and 91 constraints, problems are : Problem set: 0 solved, 16290 unsolved in 30182 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/8372 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 0/16290 constraints, Known Traps: 0/0 constraints]
After SMT, in 93760ms problems are : Problem set: 0 solved, 16290 unsolved
Search for dead transitions found 0 dead transitions in 93905ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 104460 ms. Remains : 8372/8372 places, 16380/16380 transitions.
Computed a total of 91 stabilizing places and 180 stable transitions
Computed a total of 91 stabilizing places and 180 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 102 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (62 resets) in 1353 ms. (29 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 steps per ms) remains 2/2 properties
[2024-05-22 12:47:51] [INFO ] Invariant cache hit.
[2024-05-22 12:47:51] [INFO ] State equation strengthened by 16110 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 8281/8285 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8285 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 86/8371 variables, 86/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8371 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 24751/24752 variables, and 8462 constraints, problems are : Problem set: 0 solved, 2 unsolved in 5020 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 8371/8372 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 8281/8285 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-22 12:48:16] [INFO ] Deduced a trap composed of 2 places in 19467 ms of which 56 ms to minimize.
SMT process timed out in 25688ms, After SMT, problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 8372 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8372/8372 places, 16380/16380 transitions.
Applied a total of 0 rules in 2791 ms. Remains 8372 /8372 variables (removed 0) and now considering 16380/16380 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2793 ms. Remains : 8372/8372 places, 16380/16380 transitions.
RANDOM walk for 40000 steps (62 resets) in 1186 ms. (33 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
[2024-05-22 12:48:20] [INFO ] Invariant cache hit.
[2024-05-22 12:48:20] [INFO ] State equation strengthened by 16110 read => feed constraints.
All remaining problems are real, not stopping.
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) 8281/8285 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8285 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 86/8371 variables, 86/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8371 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 16380/24751 variables, 8371/8462 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24751 variables, 16110/24572 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24751 variables, 0/24572 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/24752 variables, 1/24573 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/24752 variables, 0/24573 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/24752 variables, 0/24573 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24752/24752 variables, and 24573 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9985 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 8372/8372 constraints, ReadFeed: 16110/16110 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8281/8285 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 12:48:49] [INFO ] Deduced a trap composed of 2 places in 18098 ms of which 46 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/8285 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8285 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 86/8371 variables, 86/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 12:49:12] [INFO ] Deduced a trap composed of 93 places in 23087 ms of which 49 ms to minimize.
[2024-05-22 12:49:34] [INFO ] Deduced a trap composed of 93 places in 21958 ms of which 48 ms to minimize.
SMT process timed out in 74853ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 8372 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8372/8372 places, 16380/16380 transitions.
Applied a total of 0 rules in 2774 ms. Remains 8372 /8372 variables (removed 0) and now considering 16380/16380 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2774 ms. Remains : 8372/8372 places, 16380/16380 transitions.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F p0), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 9 factoid took 210 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 61 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 91 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 161 reset in 2178 ms.
Product exploration explored 100000 steps with 162 reset in 2244 ms.
Support contains 4 out of 8372 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8372/8372 places, 16380/16380 transitions.
Applied a total of 0 rules in 2775 ms. Remains 8372 /8372 variables (removed 0) and now considering 16380/16380 (removed 0) transitions.
[2024-05-22 12:49:45] [INFO ] Invariant cache hit.
[2024-05-22 12:49:52] [INFO ] Implicit Places using invariants in 6974 ms returned []
Implicit Place search using SMT only with invariants took 6975 ms to find 0 implicit places.
Running 16290 sub problems to find dead transitions.
[2024-05-22 12:49:52] [INFO ] Invariant cache hit.
[2024-05-22 12:49:52] [INFO ] State equation strengthened by 16110 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8371 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 16290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8371/24752 variables, and 91 constraints, problems are : Problem set: 0 solved, 16290 unsolved in 30198 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/8372 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 16290/16290 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16290 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8371 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 16290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8371/24752 variables, and 91 constraints, problems are : Problem set: 0 solved, 16290 unsolved in 30201 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 0/8372 constraints, ReadFeed: 0/16110 constraints, PredecessorRefiner: 0/16290 constraints, Known Traps: 0/0 constraints]
After SMT, in 94036ms problems are : Problem set: 0 solved, 16290 unsolved
Search for dead transitions found 0 dead transitions in 94180ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 103949 ms. Remains : 8372/8372 places, 16380/16380 transitions.
Treatment of property CANConstruction-PT-090-LTLCardinality-01 finished in 650063 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(p1)))))'
Support contains 3 out of 9205 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9205/9205 places, 17235/17235 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 614 transitions
Trivial Post-agglo rules discarded 614 transitions
Performed 614 trivial Post agglomeration. Transition count delta: 614
Iterating post reduction 0 with 614 rules applied. Total rules applied 614 place count 9205 transition count 16621
Reduce places removed 614 places and 0 transitions.
Iterating post reduction 1 with 614 rules applied. Total rules applied 1228 place count 8591 transition count 16621
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 90 Pre rules applied. Total rules applied 1228 place count 8591 transition count 16531
Deduced a syphon composed of 90 places in 4 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 2 with 180 rules applied. Total rules applied 1408 place count 8501 transition count 16531
Discarding 22 places :
Symmetric choice reduction at 2 with 22 rule applications. Total rules 1430 place count 8479 transition count 16487
Iterating global reduction 2 with 22 rules applied. Total rules applied 1452 place count 8479 transition count 16487
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 2 with 18 rules applied. Total rules applied 1470 place count 8479 transition count 16469
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 3 with 18 rules applied. Total rules applied 1488 place count 8461 transition count 16469
Performed 89 Post agglomeration using F-continuation condition.Transition count delta: 89
Deduced a syphon composed of 89 places in 4 ms
Reduce places removed 89 places and 0 transitions.
Iterating global reduction 4 with 178 rules applied. Total rules applied 1666 place count 8372 transition count 16380
Applied a total of 1666 rules in 8773 ms. Remains 8372 /9205 variables (removed 833) and now considering 16380/17235 (removed 855) transitions.
[2024-05-22 12:51:35] [INFO ] Invariant cache hit.
[2024-05-22 12:51:43] [INFO ] Implicit Places using invariants in 7492 ms returned []
Implicit Place search using SMT only with invariants took 7493 ms to find 0 implicit places.
Running 16290 sub problems to find dead transitions.
[2024-05-22 12:51:43] [INFO ] Invariant cache hit.
[2024-05-22 12:51:43] [INFO ] State equation strengthened by 16110 read => feed constraints.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running CANConstruction-PT-090

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 17282
TRANSITIONS: 33120
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.700s, Sys 0.059s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.181s, Sys 0.012s]



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 LTLCardinality -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CANConstruction-PT-090"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is CANConstruction-PT-090, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r069-tall-171620503700075"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANConstruction-PT-090.tgz
mv CANConstruction-PT-090 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;