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.r496-tall-171640602800156.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is FlexibleBarrier-PT-22b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r496-tall-171640602800156
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 6.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 19 15:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K Apr 13 08:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K Apr 13 08:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 13 08:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 118K Apr 13 08:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:45 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 1.8M 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 FlexibleBarrier-PT-22b-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-22b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717186850208

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-22b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 20:20:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-31 20:20:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 20:20:51] [INFO ] Load time of PNML (sax parser for PT used): 277 ms
[2024-05-31 20:20:51] [INFO ] Transformed 6478 places.
[2024-05-31 20:20:51] [INFO ] Transformed 7469 transitions.
[2024-05-31 20:20:51] [INFO ] Found NUPN structural information;
[2024-05-31 20:20:51] [INFO ] Parsed PT model containing 6478 places and 7469 transitions and 18797 arcs in 459 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 51 out of 6478 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6478/6478 places, 7469/7469 transitions.
Discarding 2752 places :
Symmetric choice reduction at 0 with 2752 rule applications. Total rules 2752 place count 3726 transition count 4717
Iterating global reduction 0 with 2752 rules applied. Total rules applied 5504 place count 3726 transition count 4717
Discarding 1311 places :
Symmetric choice reduction at 0 with 1311 rule applications. Total rules 6815 place count 2415 transition count 3406
Iterating global reduction 0 with 1311 rules applied. Total rules applied 8126 place count 2415 transition count 3406
Discarding 853 places :
Symmetric choice reduction at 0 with 853 rule applications. Total rules 8979 place count 1562 transition count 2553
Iterating global reduction 0 with 853 rules applied. Total rules applied 9832 place count 1562 transition count 2553
Ensure Unique test removed 419 transitions
Reduce isomorphic transitions removed 419 transitions.
Iterating post reduction 0 with 419 rules applied. Total rules applied 10251 place count 1562 transition count 2134
Applied a total of 10251 rules in 1404 ms. Remains 1562 /6478 variables (removed 4916) and now considering 2134/7469 (removed 5335) transitions.
// Phase 1: matrix 2134 rows 1562 cols
[2024-05-31 20:20:53] [INFO ] Computed 24 invariants in 92 ms
[2024-05-31 20:20:54] [INFO ] Implicit Places using invariants in 920 ms returned []
[2024-05-31 20:20:54] [INFO ] Invariant cache hit.
[2024-05-31 20:20:56] [INFO ] Implicit Places using invariants and state equation in 1841 ms returned []
Implicit Place search using SMT with State Equation took 2790 ms to find 0 implicit places.
Running 2133 sub problems to find dead transitions.
[2024-05-31 20:20:56] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1561/3696 variables, and 0 constraints, problems are : Problem set: 0 solved, 2133 unsolved in 30062 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1562 constraints, PredecessorRefiner: 2133/2133 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2133 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1561/3696 variables, and 0 constraints, problems are : Problem set: 0 solved, 2133 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1562 constraints, PredecessorRefiner: 0/2133 constraints, Known Traps: 0/0 constraints]
After SMT, in 64128ms problems are : Problem set: 0 solved, 2133 unsolved
Search for dead transitions found 0 dead transitions in 64164ms
Starting structural reductions in LTL mode, iteration 1 : 1562/6478 places, 2134/7469 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 68399 ms. Remains : 1562/6478 places, 2134/7469 transitions.
Support contains 51 out of 1562 places after structural reductions.
[2024-05-31 20:22:00] [INFO ] Flatten gal took : 153 ms
[2024-05-31 20:22:00] [INFO ] Flatten gal took : 93 ms
[2024-05-31 20:22:01] [INFO ] Input system was already deterministic with 2134 transitions.
Support contains 48 out of 1562 places (down from 51) after GAL structural reductions.
RANDOM walk for 40000 steps (268 resets) in 2513 ms. (15 steps per ms) remains 32/36 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (6 resets) in 22 ms. (174 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (7 resets) in 29 ms. (133 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (7 resets) in 28 ms. (138 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (7 resets) in 12 ms. (308 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (6 resets) in 16 ms. (235 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (6 resets) in 24 ms. (160 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (7 resets) in 14 ms. (266 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (7 resets) in 13 ms. (285 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 9 ms. (400 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (6 resets) in 15 ms. (250 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (7 resets) in 13 ms. (285 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (7 resets) in 17 ms. (222 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (6 resets) in 15 ms. (250 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (6 resets) in 9 ms. (400 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (5 resets) in 11 ms. (333 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (7 resets) in 11 ms. (333 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (6 resets) in 13 ms. (286 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (6 resets) in 9 ms. (400 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (7 resets) in 10 ms. (364 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (7 resets) in 14 ms. (266 steps per ms) remains 32/32 properties
[2024-05-31 20:22:02] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 1 (OVERLAPS) 1275/1320 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1320 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 3 (OVERLAPS) 242/1562 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1562 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 5 (OVERLAPS) 2134/3696 variables, 1562/1586 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3696 variables, 0/1586 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 7 (OVERLAPS) 0/3696 variables, 0/1586 constraints. Problems are: Problem set: 0 solved, 32 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3696/3696 variables, and 1586 constraints, problems are : Problem set: 0 solved, 32 unsolved in 4517 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1562/1562 constraints, PredecessorRefiner: 32/32 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 32 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 1 (OVERLAPS) 1275/1320 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 32 unsolved
[2024-05-31 20:22:07] [INFO ] Deduced a trap composed of 504 places in 465 ms of which 66 ms to minimize.
[2024-05-31 20:22:08] [INFO ] Deduced a trap composed of 508 places in 462 ms of which 7 ms to minimize.
[2024-05-31 20:22:08] [INFO ] Deduced a trap composed of 505 places in 374 ms of which 7 ms to minimize.
[2024-05-31 20:22:09] [INFO ] Deduced a trap composed of 546 places in 413 ms of which 7 ms to minimize.
[2024-05-31 20:22:09] [INFO ] Deduced a trap composed of 557 places in 376 ms of which 6 ms to minimize.
[2024-05-31 20:22:10] [INFO ] Deduced a trap composed of 509 places in 418 ms of which 7 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/1320 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1320 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 4 (OVERLAPS) 242/1562 variables, 6/30 constraints. Problems are: Problem set: 0 solved, 32 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1562/3696 variables, and 30 constraints, problems are : Problem set: 0 solved, 32 unsolved in 5018 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1562 constraints, PredecessorRefiner: 0/32 constraints, Known Traps: 6/6 constraints]
After SMT, in 9569ms problems are : Problem set: 0 solved, 32 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 45 out of 1562 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Graph (trivial) has 1414 edges and 1562 vertex of which 127 / 1562 are part of one of the 21 SCC in 9 ms
Free SCC test removed 106 places
Drop transitions (Empty/Sink Transition effects.) removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 100 transitions
Trivial Post-agglo rules discarded 100 transitions
Performed 100 trivial Post agglomeration. Transition count delta: 100
Iterating post reduction 0 with 100 rules applied. Total rules applied 101 place count 1456 transition count 1906
Reduce places removed 100 places and 0 transitions.
Iterating post reduction 1 with 100 rules applied. Total rules applied 201 place count 1356 transition count 1906
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 49 Pre rules applied. Total rules applied 201 place count 1356 transition count 1857
Deduced a syphon composed of 49 places in 1 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 2 with 98 rules applied. Total rules applied 299 place count 1307 transition count 1857
Discarding 42 places :
Symmetric choice reduction at 2 with 42 rule applications. Total rules 341 place count 1265 transition count 1815
Iterating global reduction 2 with 42 rules applied. Total rules applied 383 place count 1265 transition count 1815
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 384 place count 1265 transition count 1814
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 389 place count 1260 transition count 1809
Iterating global reduction 3 with 5 rules applied. Total rules applied 394 place count 1260 transition count 1809
Performed 139 Post agglomeration using F-continuation condition.Transition count delta: 139
Deduced a syphon composed of 139 places in 1 ms
Reduce places removed 139 places and 0 transitions.
Iterating global reduction 3 with 278 rules applied. Total rules applied 672 place count 1121 transition count 1670
Drop transitions (Empty/Sink Transition effects.) removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 3 with 42 rules applied. Total rules applied 714 place count 1121 transition count 1628
Discarding 21 places :
Symmetric choice reduction at 4 with 21 rule applications. Total rules 735 place count 1100 transition count 1607
Iterating global reduction 4 with 21 rules applied. Total rules applied 756 place count 1100 transition count 1607
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 758 place count 1099 transition count 1607
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 760 place count 1099 transition count 1605
Free-agglomeration rule applied 905 times.
Iterating global reduction 4 with 905 rules applied. Total rules applied 1665 place count 1099 transition count 700
Reduce places removed 905 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 278 transitions
Reduce isomorphic transitions removed 278 transitions.
Iterating post reduction 4 with 1183 rules applied. Total rules applied 2848 place count 194 transition count 422
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 5 with 22 rules applied. Total rules applied 2870 place count 194 transition count 400
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 2871 place count 194 transition count 400
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 2872 place count 193 transition count 399
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 110 edges and 192 vertex of which 36 / 192 are part of one of the 18 SCC in 0 ms
Free SCC test removed 18 places
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 5 with 3 rules applied. Total rules applied 2875 place count 174 transition count 398
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 6 with 37 rules applied. Total rules applied 2912 place count 173 transition count 362
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 23 Pre rules applied. Total rules applied 2912 place count 173 transition count 339
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 7 with 46 rules applied. Total rules applied 2958 place count 150 transition count 339
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 7 with 22 rules applied. Total rules applied 2980 place count 150 transition count 317
Performed 26 Post agglomeration using F-continuation condition.Transition count delta: 26
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 8 with 52 rules applied. Total rules applied 3032 place count 124 transition count 291
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 3033 place count 124 transition count 290
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 3034 place count 124 transition count 289
Free-agglomeration rule applied 21 times.
Iterating global reduction 9 with 21 rules applied. Total rules applied 3055 place count 124 transition count 268
Reduce places removed 26 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 9 with 66 rules applied. Total rules applied 3121 place count 98 transition count 228
Discarding 4 places :
Symmetric choice reduction at 10 with 4 rule applications. Total rules 3125 place count 94 transition count 224
Iterating global reduction 10 with 4 rules applied. Total rules applied 3129 place count 94 transition count 224
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 10 with 4 rules applied. Total rules applied 3133 place count 94 transition count 220
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 11 with 85 rules applied. Total rules applied 3218 place count 94 transition count 135
Free-agglomeration rule applied 2 times.
Iterating global reduction 11 with 2 rules applied. Total rules applied 3220 place count 94 transition count 133
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 3222 place count 92 transition count 133
Applied a total of 3222 rules in 1498 ms. Remains 92 /1562 variables (removed 1470) and now considering 133/2134 (removed 2001) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1498 ms. Remains : 92/1562 places, 133/2134 transitions.
RANDOM walk for 40000 steps (8 resets) in 864 ms. (46 steps per ms) remains 13/32 properties
BEST_FIRST walk for 40001 steps (8 resets) in 170 ms. (233 steps per ms) remains 5/13 properties
BEST_FIRST walk for 40001 steps (8 resets) in 125 ms. (317 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40000 steps (8 resets) in 130 ms. (305 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 70 ms. (563 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 62 ms. (634 steps per ms) remains 1/2 properties
// Phase 1: matrix 133 rows 92 cols
[2024-05-31 20:22:13] [INFO ] Computed 18 invariants in 1 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 49/74 variables, 25/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/156 variables, 30/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/156 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 25/181 variables, 5/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/181 variables, 3/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/181 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 18/199 variables, 22/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/199 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/199 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 199/225 variables, and 93 constraints, problems are : Problem set: 0 solved, 1 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 13/18 constraints, State Equation: 80/92 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 49/74 variables, 25/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/156 variables, 30/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/156 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 25/181 variables, 5/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/181 variables, 3/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 20:22:13] [INFO ] Deduced a trap composed of 47 places in 42 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/181 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/181 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 18/199 variables, 22/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/199 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/200 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/200 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/202 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/202 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/206 variables, 3/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/225 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 143 ms.
Refiners :[Positive P Invariants (semi-flows): 14/18 constraints, State Equation: 83/92 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 207ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 6 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=3 )
Parikh walk visited 1 properties in 20 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 25 stabilizing places and 25 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((F(p0)||X(F((!p1 U (p2||G(!p1))))))))'
Support contains 5 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Discarding 27 places :
Symmetric choice reduction at 0 with 27 rule applications. Total rules 27 place count 1535 transition count 2107
Iterating global reduction 0 with 27 rules applied. Total rules applied 54 place count 1535 transition count 2107
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 61 place count 1535 transition count 2100
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 80 place count 1516 transition count 2081
Iterating global reduction 1 with 19 rules applied. Total rules applied 99 place count 1516 transition count 2081
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 109 place count 1516 transition count 2071
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 115 place count 1510 transition count 2065
Iterating global reduction 2 with 6 rules applied. Total rules applied 121 place count 1510 transition count 2065
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 124 place count 1510 transition count 2062
Applied a total of 124 rules in 245 ms. Remains 1510 /1562 variables (removed 52) and now considering 2062/2134 (removed 72) transitions.
// Phase 1: matrix 2062 rows 1510 cols
[2024-05-31 20:22:14] [INFO ] Computed 24 invariants in 51 ms
[2024-05-31 20:22:15] [INFO ] Implicit Places using invariants in 661 ms returned []
[2024-05-31 20:22:15] [INFO ] Invariant cache hit.
[2024-05-31 20:22:17] [INFO ] Implicit Places using invariants and state equation in 1820 ms returned []
Implicit Place search using SMT with State Equation took 2484 ms to find 0 implicit places.
Running 2061 sub problems to find dead transitions.
[2024-05-31 20:22:17] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1509/3572 variables, and 0 constraints, problems are : Problem set: 0 solved, 2061 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1510 constraints, PredecessorRefiner: 2061/2061 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2061 unsolved
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(s661 1)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1509/3572 variables, and 0 constraints, problems are : Problem set: 0 solved, 2061 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1510 constraints, PredecessorRefiner: 0/2061 constraints, Known Traps: 0/0 constraints]
After SMT, in 64072ms problems are : Problem set: 0 solved, 2061 unsolved
Search for dead transitions found 0 dead transitions in 64091ms
Starting structural reductions in LTL mode, iteration 1 : 1510/1562 places, 2062/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66830 ms. Remains : 1510/1562 places, 2062/2134 transitions.
Stuttering acceptance computed with spot in 265 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p0) (NOT p2) p1), (AND (NOT p0) (NOT p2) p1)]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-00
Product exploration explored 100000 steps with 50000 reset in 529 ms.
Product exploration explored 100000 steps with 50000 reset in 499 ms.
Computed a total of 24 stabilizing places and 24 stable transitions
Computed a total of 24 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND p0 p2 (NOT p1)), (X p0), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 19 ms. Reduced automaton from 3 states, 4 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-22b-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-00 finished in 68254 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(F(p1))&&p0))))'
Support contains 4 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 1533 transition count 2105
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 1533 transition count 2105
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 65 place count 1533 transition count 2098
Discarding 21 places :
Symmetric choice reduction at 1 with 21 rule applications. Total rules 86 place count 1512 transition count 2077
Iterating global reduction 1 with 21 rules applied. Total rules applied 107 place count 1512 transition count 2077
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 118 place count 1512 transition count 2066
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 124 place count 1506 transition count 2060
Iterating global reduction 2 with 6 rules applied. Total rules applied 130 place count 1506 transition count 2060
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 133 place count 1506 transition count 2057
Applied a total of 133 rules in 272 ms. Remains 1506 /1562 variables (removed 56) and now considering 2057/2134 (removed 77) transitions.
// Phase 1: matrix 2057 rows 1506 cols
[2024-05-31 20:23:23] [INFO ] Computed 24 invariants in 41 ms
[2024-05-31 20:23:23] [INFO ] Implicit Places using invariants in 657 ms returned []
[2024-05-31 20:23:23] [INFO ] Invariant cache hit.
[2024-05-31 20:23:25] [INFO ] Implicit Places using invariants and state equation in 1731 ms returned []
Implicit Place search using SMT with State Equation took 2390 ms to find 0 implicit places.
Running 2056 sub problems to find dead transitions.
[2024-05-31 20:23:25] [INFO ] Invariant cache hit.
(s1174 1.0timeout
^^^^^^^^^^
(error "Invalid token: 1.0timeout")
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(s1175 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1505/3563 variables, and 0 constraints, problems are : Problem set: 0 solved, 2056 unsolved in 30052 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 2056/2056 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2056 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1505/3563 variables, and 0 constraints, problems are : Problem set: 0 solved, 2056 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 0/2056 constraints, Known Traps: 0/0 constraints]
After SMT, in 64106ms problems are : Problem set: 0 solved, 2056 unsolved
Search for dead transitions found 0 dead transitions in 64130ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1562 places, 2057/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66799 ms. Remains : 1506/1562 places, 2057/2134 transitions.
Stuttering acceptance computed with spot in 245 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-02
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-02 finished in 67073 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((G(p0)||(p0&&G((F(p1)&&F(G(!p0))))))))'
Support contains 2 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Discarding 28 places :
Symmetric choice reduction at 0 with 28 rule applications. Total rules 28 place count 1534 transition count 2106
Iterating global reduction 0 with 28 rules applied. Total rules applied 56 place count 1534 transition count 2106
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 64 place count 1534 transition count 2098
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 83 place count 1515 transition count 2079
Iterating global reduction 1 with 19 rules applied. Total rules applied 102 place count 1515 transition count 2079
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 112 place count 1515 transition count 2069
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 117 place count 1510 transition count 2064
Iterating global reduction 2 with 5 rules applied. Total rules applied 122 place count 1510 transition count 2064
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 125 place count 1510 transition count 2061
Applied a total of 125 rules in 276 ms. Remains 1510 /1562 variables (removed 52) and now considering 2061/2134 (removed 73) transitions.
// Phase 1: matrix 2061 rows 1510 cols
[2024-05-31 20:24:30] [INFO ] Computed 24 invariants in 44 ms
[2024-05-31 20:24:30] [INFO ] Implicit Places using invariants in 631 ms returned []
[2024-05-31 20:24:30] [INFO ] Invariant cache hit.
[2024-05-31 20:24:32] [INFO ] Implicit Places using invariants and state equation in 1770 ms returned []
Implicit Place search using SMT with State Equation took 2404 ms to find 0 implicit places.
Running 2060 sub problems to find dead transitions.
[2024-05-31 20:24:32] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1509/3571 variables, and 0 constraints, problems are : Problem set: 0 solved, 2060 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1510 constraints, PredecessorRefiner: 2060/2060 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2060 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 1509/3571 variables, and 0 constraints, problems are : Problem set: 0 solved, 2060 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1510 constraints, PredecessorRefiner: 0/2060 constraints, Known Traps: 0/0 constraints]
After SMT, in 63971ms problems are : Problem set: 0 solved, 2060 unsolved
Search for dead transitions found 0 dead transitions in 63989ms
Starting structural reductions in LTL mode, iteration 1 : 1510/1562 places, 2061/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66674 ms. Remains : 1510/1562 places, 2061/2134 transitions.
Stuttering acceptance computed with spot in 300 ms :[(NOT p0), (NOT p0), true, (AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-03
Product exploration explored 100000 steps with 676 reset in 426 ms.
Product exploration explored 100000 steps with 672 reset in 467 ms.
Computed a total of 24 stabilizing places and 24 stable transitions
Computed a total of 24 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 5 factoid took 94 ms. Reduced automaton from 7 states, 13 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 159 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
RANDOM walk for 40000 steps (270 resets) in 308 ms. (129 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (20 resets) in 154 ms. (258 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (20 resets) in 85 ms. (465 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (19 resets) in 73 ms. (540 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 249204 steps, run timeout after 3001 ms. (steps per millisecond=83 ) properties seen :0 out of 3
Probabilistic random walk after 249204 steps, saw 105175 distinct states, run finished after 3005 ms. (steps per millisecond=82 ) properties seen :0
[2024-05-31 20:25:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 507/509 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/509 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1001/1510 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1510 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2061/3571 variables, 1510/1534 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3571 variables, 0/1534 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/3571 variables, 0/1534 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3571/3571 variables, and 1534 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1364 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1510/1510 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 507/509 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/509 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1001/1510 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-31 20:25:43] [INFO ] Deduced a trap composed of 489 places in 508 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/1510 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1510 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2061/3571 variables, 1510/1535 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3571 variables, 3/1538 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3571 variables, 0/1538 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/3571 variables, 0/1538 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3571/3571 variables, and 1538 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1722 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1510/1510 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints]
After SMT, in 3099ms problems are : Problem set: 0 solved, 3 unsolved
Finished Parikh walk after 2992 steps, including 18 resets, run visited all 3 properties in 54 ms. (steps per millisecond=55 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 57 ms.
Knowledge obtained : [(AND p0 p1), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT (OR p0 p1))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 175 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 153 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
Stuttering acceptance computed with spot in 150 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
Support contains 2 out of 1510 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1510/1510 places, 2061/2061 transitions.
Graph (trivial) has 1439 edges and 1510 vertex of which 133 / 1510 are part of one of the 22 SCC in 5 ms
Free SCC test removed 111 places
Ensure Unique test removed 112 transitions
Reduce isomorphic transitions removed 112 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 107 transitions
Trivial Post-agglo rules discarded 107 transitions
Performed 107 trivial Post agglomeration. Transition count delta: 107
Iterating post reduction 0 with 107 rules applied. Total rules applied 108 place count 1398 transition count 1841
Reduce places removed 107 places and 0 transitions.
Iterating post reduction 1 with 107 rules applied. Total rules applied 215 place count 1291 transition count 1841
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 46 Pre rules applied. Total rules applied 215 place count 1291 transition count 1795
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 2 with 92 rules applied. Total rules applied 307 place count 1245 transition count 1795
Discarding 43 places :
Symmetric choice reduction at 2 with 43 rule applications. Total rules 350 place count 1202 transition count 1752
Iterating global reduction 2 with 43 rules applied. Total rules applied 393 place count 1202 transition count 1752
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 394 place count 1201 transition count 1751
Iterating global reduction 2 with 1 rules applied. Total rules applied 395 place count 1201 transition count 1751
Performed 135 Post agglomeration using F-continuation condition.Transition count delta: 135
Deduced a syphon composed of 135 places in 0 ms
Reduce places removed 135 places and 0 transitions.
Iterating global reduction 2 with 270 rules applied. Total rules applied 665 place count 1066 transition count 1616
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 2 with 22 rules applied. Total rules applied 687 place count 1066 transition count 1594
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 689 place count 1064 transition count 1592
Applied a total of 689 rules in 674 ms. Remains 1064 /1510 variables (removed 446) and now considering 1592/2061 (removed 469) transitions.
[2024-05-31 20:25:45] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
// Phase 1: matrix 1549 rows 1064 cols
[2024-05-31 20:25:45] [INFO ] Computed 24 invariants in 44 ms
[2024-05-31 20:25:46] [INFO ] Implicit Places using invariants in 577 ms returned []
[2024-05-31 20:25:46] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:25:46] [INFO ] Invariant cache hit.
[2024-05-31 20:25:47] [INFO ] Implicit Places using invariants and state equation in 1197 ms returned []
Implicit Place search using SMT with State Equation took 1794 ms to find 0 implicit places.
[2024-05-31 20:25:47] [INFO ] Redundant transitions in 88 ms returned []
Running 643 sub problems to find dead transitions.
[2024-05-31 20:25:47] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:25:47] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1042 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1042 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 2 (OVERLAPS) 22/1064 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 643 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1064/2613 variables, and 24 constraints, problems are : Problem set: 0 solved, 643 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1064 constraints, PredecessorRefiner: 643/643 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 643 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1042 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1042 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 2 (OVERLAPS) 22/1064 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1064 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 4 (OVERLAPS) 1548/2612 variables, 1064/1088 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2612 variables, 643/1731 constraints. Problems are: Problem set: 0 solved, 643 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2612/2613 variables, and 1731 constraints, problems are : Problem set: 0 solved, 643 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1064/1064 constraints, PredecessorRefiner: 643/643 constraints, Known Traps: 0/0 constraints]
After SMT, in 61016ms problems are : Problem set: 0 solved, 643 unsolved
Search for dead transitions found 0 dead transitions in 61023ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1064/1510 places, 1592/2061 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 63590 ms. Remains : 1064/1510 places, 1592/2061 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 81 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 165 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
RANDOM walk for 40000 steps (1428 resets) in 1979 ms. (20 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 203294 steps, run timeout after 3001 ms. (steps per millisecond=67 ) properties seen :0 out of 3
Probabilistic random walk after 203294 steps, saw 82797 distinct states, run finished after 3002 ms. (steps per millisecond=67 ) properties seen :0
[2024-05-31 20:26:52] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:26:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 471/473 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/473 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 916/1389 variables, 473/475 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1389 variables, 0/475 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 1013/2402 variables, 465/940 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2402 variables, 1/941 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2402 variables, 0/941 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 126/2528 variables, 21/962 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2528 variables, 42/1004 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2528 variables, 0/1004 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 84/2612 variables, 84/1088 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2612 variables, 0/1088 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/2612 variables, 0/1088 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2612/2613 variables, and 1088 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1227 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1064/1064 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 471/473 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/473 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 916/1389 variables, 473/475 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1389 variables, 1/476 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1389 variables, 0/476 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 1013/2402 variables, 465/941 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2402 variables, 1/942 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2402 variables, 2/944 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2402 variables, 0/944 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 126/2528 variables, 21/965 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2528 variables, 42/1007 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2528 variables, 0/1007 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 84/2612 variables, 84/1091 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2612 variables, 0/1091 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/2612 variables, 0/1091 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2612/2613 variables, and 1091 constraints, problems are : Problem set: 0 solved, 3 unsolved in 907 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1064/1064 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 2188ms problems are : Problem set: 0 solved, 3 unsolved
Finished Parikh walk after 38 steps, including 1 resets, run visited all 3 properties in 2 ms. (steps per millisecond=19 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 2 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 15 ms.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT (OR p0 p1))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 7 factoid took 171 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 146 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
Stuttering acceptance computed with spot in 149 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
Stuttering acceptance computed with spot in 131 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
Product exploration explored 100000 steps with 3520 reset in 1581 ms.
Product exploration explored 100000 steps with 3522 reset in 1506 ms.
Support contains 2 out of 1064 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1064/1064 places, 1592/1592 transitions.
Applied a total of 0 rules in 127 ms. Remains 1064 /1064 variables (removed 0) and now considering 1592/1592 (removed 0) transitions.
[2024-05-31 20:26:58] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:26:58] [INFO ] Invariant cache hit.
[2024-05-31 20:26:59] [INFO ] Implicit Places using invariants in 749 ms returned []
[2024-05-31 20:26:59] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:26:59] [INFO ] Invariant cache hit.
[2024-05-31 20:27:00] [INFO ] Implicit Places using invariants and state equation in 1162 ms returned []
Implicit Place search using SMT with State Equation took 1943 ms to find 0 implicit places.
[2024-05-31 20:27:00] [INFO ] Redundant transitions in 20 ms returned []
Running 643 sub problems to find dead transitions.
[2024-05-31 20:27:00] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:27:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1042 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1042 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 2 (OVERLAPS) 22/1064 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 643 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s79 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1064/2613 variables, and 24 constraints, problems are : Problem set: 0 solved, 643 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1064 constraints, PredecessorRefiner: 643/643 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 643 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1042 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1042 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 2 (OVERLAPS) 22/1064 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1064 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 4 (OVERLAPS) 1548/2612 variables, 1064/1088 constraints. Problems are: Problem set: 0 solved, 643 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2612 variables, 643/1731 constraints. Problems are: Problem set: 0 solved, 643 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2612/2613 variables, and 1731 constraints, problems are : Problem set: 0 solved, 643 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1064/1064 constraints, PredecessorRefiner: 643/643 constraints, Known Traps: 0/0 constraints]
After SMT, in 61097ms problems are : Problem set: 0 solved, 643 unsolved
Search for dead transitions found 0 dead transitions in 61103ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 63202 ms. Remains : 1064/1064 places, 1592/1592 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-03 finished in 212552 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(p1)))))'
Support contains 2 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Discarding 28 places :
Symmetric choice reduction at 0 with 28 rule applications. Total rules 28 place count 1534 transition count 2106
Iterating global reduction 0 with 28 rules applied. Total rules applied 56 place count 1534 transition count 2106
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 64 place count 1534 transition count 2098
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 84 place count 1514 transition count 2078
Iterating global reduction 1 with 20 rules applied. Total rules applied 104 place count 1514 transition count 2078
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 115 place count 1514 transition count 2067
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 120 place count 1509 transition count 2062
Iterating global reduction 2 with 5 rules applied. Total rules applied 125 place count 1509 transition count 2062
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 127 place count 1509 transition count 2060
Applied a total of 127 rules in 371 ms. Remains 1509 /1562 variables (removed 53) and now considering 2060/2134 (removed 74) transitions.
// Phase 1: matrix 2060 rows 1509 cols
[2024-05-31 20:28:02] [INFO ] Computed 24 invariants in 38 ms
[2024-05-31 20:28:03] [INFO ] Implicit Places using invariants in 772 ms returned []
[2024-05-31 20:28:03] [INFO ] Invariant cache hit.
[2024-05-31 20:28:05] [INFO ] Implicit Places using invariants and state equation in 1729 ms returned []
Implicit Place search using SMT with State Equation took 2531 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-31 20:28:05] [INFO ] Invariant cache hit.
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 Real declared 1508/3569 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 2059/2059 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2059 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1508/3569 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/2059 constraints, Known Traps: 0/0 constraints]
After SMT, in 64258ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 64275ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1562 places, 2060/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67184 ms. Remains : 1509/1562 places, 2060/2134 transitions.
Stuttering acceptance computed with spot in 76 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-04
Product exploration explored 100000 steps with 676 reset in 283 ms.
Product exploration explored 100000 steps with 674 reset in 340 ms.
Computed a total of 25 stabilizing places and 25 stable transitions
Computed a total of 25 stabilizing places and 25 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT (AND p0 p1))), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 122 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 89 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (270 resets) in 616 ms. (64 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (20 resets) in 61 ms. (645 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (19 resets) in 116 ms. (341 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (20 resets) in 96 ms. (412 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40002 steps (20 resets) in 29 ms. (1333 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (20 resets) in 32 ms. (1212 steps per ms) remains 3/3 properties
[2024-05-31 20:29:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 116/118 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1391/1509 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1509 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2060/3569 variables, 1509/1533 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3569 variables, 0/1533 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/3569 variables, 0/1533 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3569/3569 variables, and 1533 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1105 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1509/1509 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 116/118 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1391/1509 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1509 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2060/3569 variables, 1509/1533 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3569 variables, 3/1536 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-31 20:29:12] [INFO ] Deduced a trap composed of 186 places in 125 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/3569 variables, 1/1537 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3569 variables, 0/1537 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/3569 variables, 0/1537 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3569/3569 variables, and 1537 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1404 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1509/1509 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints]
After SMT, in 2553ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 2 properties in 122 ms.
Support contains 2 out of 1509 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1509/1509 places, 2060/2060 transitions.
Graph (trivial) has 1437 edges and 1509 vertex of which 133 / 1509 are part of one of the 22 SCC in 1 ms
Free SCC test removed 111 places
Drop transitions (Empty/Sink Transition effects.) removed 134 transitions
Reduce isomorphic transitions removed 134 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 107 transitions
Trivial Post-agglo rules discarded 107 transitions
Performed 107 trivial Post agglomeration. Transition count delta: 107
Iterating post reduction 0 with 107 rules applied. Total rules applied 108 place count 1398 transition count 1819
Reduce places removed 107 places and 0 transitions.
Iterating post reduction 1 with 107 rules applied. Total rules applied 215 place count 1291 transition count 1819
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 46 Pre rules applied. Total rules applied 215 place count 1291 transition count 1773
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 2 with 92 rules applied. Total rules applied 307 place count 1245 transition count 1773
Discarding 43 places :
Symmetric choice reduction at 2 with 43 rule applications. Total rules 350 place count 1202 transition count 1730
Iterating global reduction 2 with 43 rules applied. Total rules applied 393 place count 1202 transition count 1730
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 394 place count 1201 transition count 1729
Iterating global reduction 2 with 1 rules applied. Total rules applied 395 place count 1201 transition count 1729
Performed 135 Post agglomeration using F-continuation condition.Transition count delta: 135
Deduced a syphon composed of 135 places in 0 ms
Reduce places removed 135 places and 0 transitions.
Iterating global reduction 2 with 270 rules applied. Total rules applied 665 place count 1066 transition count 1594
Drop transitions (Empty/Sink Transition effects.) removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 2 with 44 rules applied. Total rules applied 709 place count 1066 transition count 1550
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 731 place count 1044 transition count 1528
Iterating global reduction 3 with 22 rules applied. Total rules applied 753 place count 1044 transition count 1528
Free-agglomeration rule applied 927 times.
Iterating global reduction 3 with 927 rules applied. Total rules applied 1680 place count 1044 transition count 601
Reduce places removed 927 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 441 transitions
Reduce isomorphic transitions removed 441 transitions.
Graph (complete) has 317 edges and 117 vertex of which 22 are kept as prefixes of interest. Removing 95 places using SCC suffix rule.0 ms
Discarding 95 places :
Also discarding 0 output transitions
Iterating post reduction 3 with 1369 rules applied. Total rules applied 3049 place count 22 transition count 160
Drop transitions (Empty/Sink Transition effects.) removed 133 transitions
Reduce isomorphic transitions removed 133 transitions.
Iterating post reduction 4 with 133 rules applied. Total rules applied 3182 place count 22 transition count 27
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 3183 place count 21 transition count 26
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 21 edges and 19 vertex of which 12 / 19 are part of one of the 3 SCC in 0 ms
Free SCC test removed 9 places
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 5 with 4 rules applied. Total rules applied 3187 place count 10 transition count 25
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 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 6 with 19 rules applied. Total rules applied 3206 place count 8 transition count 8
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 7 with 3 rules applied. Total rules applied 3209 place count 7 transition count 6
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 3210 place count 6 transition count 6
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 2 Pre rules applied. Total rules applied 3210 place count 6 transition count 4
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 9 with 4 rules applied. Total rules applied 3214 place count 4 transition count 4
Applied a total of 3214 rules in 721 ms. Remains 4 /1509 variables (removed 1505) and now considering 4/2060 (removed 2056) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 721 ms. Remains : 4/1509 places, 4/2060 transitions.
RANDOM walk for 16 steps (0 resets) in 4 ms. (3 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT (AND p0 p1))), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT p0)), (F p1), (F (NOT (AND p0 (NOT p1)))), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 13 factoid took 409 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 60 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 67 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 2 out of 1509 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1509/1509 places, 2060/2060 transitions.
Applied a total of 0 rules in 60 ms. Remains 1509 /1509 variables (removed 0) and now considering 2060/2060 (removed 0) transitions.
[2024-05-31 20:29:14] [INFO ] Invariant cache hit.
[2024-05-31 20:29:15] [INFO ] Implicit Places using invariants in 641 ms returned []
[2024-05-31 20:29:15] [INFO ] Invariant cache hit.
[2024-05-31 20:29:17] [INFO ] Implicit Places using invariants and state equation in 1762 ms returned []
Implicit Place search using SMT with State Equation took 2446 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-31 20:29:17] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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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 1508/3569 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 2059/2059 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2059 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1508/3569 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/2059 constraints, Known Traps: 0/0 constraints]
After SMT, in 64226ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 64242ms
Finished structural reductions in LTL mode , in 1 iterations and 66753 ms. Remains : 1509/1509 places, 2060/2060 transitions.
Computed a total of 25 stabilizing places and 25 stable transitions
Computed a total of 25 stabilizing places and 25 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT (AND p0 p1))), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 207 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 66 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (269 resets) in 323 ms. (123 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (22 resets) in 86 ms. (459 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (20 resets) in 62 ms. (634 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (19 resets) in 80 ms. (493 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (20 resets) in 40 ms. (975 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (20 resets) in 91 ms. (434 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (19 resets) in 67 ms. (588 steps per ms) remains 3/6 properties
[2024-05-31 20:30:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 116/118 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1391/1509 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1509 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2060/3569 variables, 1509/1533 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3569 variables, 0/1533 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/3569 variables, 0/1533 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3569/3569 variables, and 1533 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1250 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1509/1509 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 116/118 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1391/1509 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1509 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2060/3569 variables, 1509/1533 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3569 variables, 3/1536 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-31 20:30:24] [INFO ] Deduced a trap composed of 186 places in 156 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/3569 variables, 1/1537 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3569 variables, 0/1537 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/3569 variables, 0/1537 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3569/3569 variables, and 1537 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1364 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1509/1509 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints]
After SMT, in 2662ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 7258 steps, including 39 resets, run visited all 3 properties in 59 ms. (steps per millisecond=123 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 59 ms.
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT (AND p0 p1))), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT p0)), (F p1), (F (NOT (AND p0 (NOT p1)))), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 13 factoid took 302 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 64 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 677 reset in 287 ms.
Product exploration explored 100000 steps with 675 reset in 295 ms.
Support contains 2 out of 1509 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1509/1509 places, 2060/2060 transitions.
Applied a total of 0 rules in 55 ms. Remains 1509 /1509 variables (removed 0) and now considering 2060/2060 (removed 0) transitions.
[2024-05-31 20:30:26] [INFO ] Invariant cache hit.
[2024-05-31 20:30:27] [INFO ] Implicit Places using invariants in 628 ms returned []
[2024-05-31 20:30:27] [INFO ] Invariant cache hit.
[2024-05-31 20:30:28] [INFO ] Implicit Places using invariants and state equation in 1765 ms returned []
Implicit Place search using SMT with State Equation took 2421 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-31 20:30:28] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1508/3569 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 2059/2059 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2059 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1508/3569 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/2059 constraints, Known Traps: 0/0 constraints]
After SMT, in 64033ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 64051ms
Finished structural reductions in LTL mode , in 1 iterations and 66534 ms. Remains : 1509/1509 places, 2060/2060 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-04 finished in 210605 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((G(p0)&&F(p1)))))'
Support contains 2 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 1533 transition count 2105
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 1533 transition count 2105
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 66 place count 1533 transition count 2097
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 86 place count 1513 transition count 2077
Iterating global reduction 1 with 20 rules applied. Total rules applied 106 place count 1513 transition count 2077
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 116 place count 1513 transition count 2067
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 122 place count 1507 transition count 2061
Iterating global reduction 2 with 6 rules applied. Total rules applied 128 place count 1507 transition count 2061
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 131 place count 1507 transition count 2058
Applied a total of 131 rules in 261 ms. Remains 1507 /1562 variables (removed 55) and now considering 2058/2134 (removed 76) transitions.
// Phase 1: matrix 2058 rows 1507 cols
[2024-05-31 20:31:33] [INFO ] Computed 24 invariants in 36 ms
[2024-05-31 20:31:33] [INFO ] Implicit Places using invariants in 634 ms returned []
[2024-05-31 20:31:33] [INFO ] Invariant cache hit.
[2024-05-31 20:31:35] [INFO ] Implicit Places using invariants and state equation in 1584 ms returned []
Implicit Place search using SMT with State Equation took 2243 ms to find 0 implicit places.
Running 2057 sub problems to find dead transitions.
[2024-05-31 20:31:35] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1506/3565 variables, and 0 constraints, problems are : Problem set: 0 solved, 2057 unsolved in 30080 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 2057/2057 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2057 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1506/3565 variables, and 0 constraints, problems are : Problem set: 0 solved, 2057 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 0/2057 constraints, Known Traps: 0/0 constraints]
After SMT, in 63924ms problems are : Problem set: 0 solved, 2057 unsolved
Search for dead transitions found 0 dead transitions in 63940ms
Starting structural reductions in LTL mode, iteration 1 : 1507/1562 places, 2058/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66453 ms. Remains : 1507/1562 places, 2058/2134 transitions.
Stuttering acceptance computed with spot in 115 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-05
Stuttering criterion allowed to conclude after 160 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-05 finished in 66590 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||X(G(p0)))) U (p1&&X(X(X(p2))))))'
Support contains 3 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Discarding 27 places :
Symmetric choice reduction at 0 with 27 rule applications. Total rules 27 place count 1535 transition count 2107
Iterating global reduction 0 with 27 rules applied. Total rules applied 54 place count 1535 transition count 2107
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 62 place count 1535 transition count 2099
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 80 place count 1517 transition count 2081
Iterating global reduction 1 with 18 rules applied. Total rules applied 98 place count 1517 transition count 2081
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 108 place count 1517 transition count 2071
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 113 place count 1512 transition count 2066
Iterating global reduction 2 with 5 rules applied. Total rules applied 118 place count 1512 transition count 2066
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 121 place count 1512 transition count 2063
Applied a total of 121 rules in 251 ms. Remains 1512 /1562 variables (removed 50) and now considering 2063/2134 (removed 71) transitions.
// Phase 1: matrix 2063 rows 1512 cols
[2024-05-31 20:32:39] [INFO ] Computed 24 invariants in 42 ms
[2024-05-31 20:32:40] [INFO ] Implicit Places using invariants in 646 ms returned []
[2024-05-31 20:32:40] [INFO ] Invariant cache hit.
[2024-05-31 20:32:42] [INFO ] Implicit Places using invariants and state equation in 1598 ms returned []
Implicit Place search using SMT with State Equation took 2266 ms to find 0 implicit places.
Running 2062 sub problems to find dead transitions.
[2024-05-31 20:32:42] [INFO ] Invariant cache hit.
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(s1191 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1511/3575 variables, and 0 constraints, problems are : Problem set: 0 solved, 2062 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 2062/2062 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2062 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 1511/3575 variables, and 0 constraints, problems are : Problem set: 0 solved, 2062 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 0/2062 constraints, Known Traps: 0/0 constraints]
After SMT, in 64095ms problems are : Problem set: 0 solved, 2062 unsolved
Search for dead transitions found 0 dead transitions in 64119ms
Starting structural reductions in LTL mode, iteration 1 : 1512/1562 places, 2063/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66647 ms. Remains : 1512/1562 places, 2063/2134 transitions.
Stuttering acceptance computed with spot in 1241 ms :[(OR (NOT p1) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0) p1), (NOT p2), true, (NOT p2), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p2) (NOT p0) p1), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0) p1), (NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p2) (NOT p0) p1), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-07 finished in 67927 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(G((p0||G(p1)||X(G(p2))))))'
Support contains 3 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Discarding 30 places :
Symmetric choice reduction at 0 with 30 rule applications. Total rules 30 place count 1532 transition count 2104
Iterating global reduction 0 with 30 rules applied. Total rules applied 60 place count 1532 transition count 2104
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 68 place count 1532 transition count 2096
Discarding 21 places :
Symmetric choice reduction at 1 with 21 rule applications. Total rules 89 place count 1511 transition count 2075
Iterating global reduction 1 with 21 rules applied. Total rules applied 110 place count 1511 transition count 2075
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 121 place count 1511 transition count 2064
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 127 place count 1505 transition count 2058
Iterating global reduction 2 with 6 rules applied. Total rules applied 133 place count 1505 transition count 2058
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 136 place count 1505 transition count 2055
Applied a total of 136 rules in 260 ms. Remains 1505 /1562 variables (removed 57) and now considering 2055/2134 (removed 79) transitions.
// Phase 1: matrix 2055 rows 1505 cols
[2024-05-31 20:33:47] [INFO ] Computed 24 invariants in 45 ms
[2024-05-31 20:33:48] [INFO ] Implicit Places using invariants in 670 ms returned []
[2024-05-31 20:33:48] [INFO ] Invariant cache hit.
[2024-05-31 20:33:50] [INFO ] Implicit Places using invariants and state equation in 1905 ms returned []
Implicit Place search using SMT with State Equation took 2577 ms to find 0 implicit places.
Running 2054 sub problems to find dead transitions.
[2024-05-31 20:33:50] [INFO ] Invariant cache hit.
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 Real declared 1504/3560 variables, and 0 constraints, problems are : Problem set: 0 solved, 2054 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1505 constraints, PredecessorRefiner: 2054/2054 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1504/3560 variables, and 0 constraints, problems are : Problem set: 0 solved, 2054 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1505 constraints, PredecessorRefiner: 0/2054 constraints, Known Traps: 0/0 constraints]
After SMT, in 63568ms problems are : Problem set: 0 solved, 2054 unsolved
Search for dead transitions found 0 dead transitions in 63588ms
Starting structural reductions in LTL mode, iteration 1 : 1505/1562 places, 2055/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66430 ms. Remains : 1505/1562 places, 2055/2134 transitions.
Stuttering acceptance computed with spot in 236 ms :[true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-08
Product exploration explored 100000 steps with 671 reset in 352 ms.
Product exploration explored 100000 steps with 674 reset in 324 ms.
Computed a total of 24 stabilizing places and 24 stable transitions
Computed a total of 24 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND p1 (NOT p2) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p1 p2)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X p1)), (X (X (NOT (AND (NOT p1) p2))))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 150 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 6 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 206 ms :[true, (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (268 resets) in 207 ms. (192 steps per ms) remains 2/9 properties
BEST_FIRST walk for 40004 steps (20 resets) in 48 ms. (816 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (14 resets) in 32 ms. (1212 steps per ms) remains 2/2 properties
[2024-05-31 20:34:55] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 160/163 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1342/1505 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1505 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2055/3560 variables, 1505/1529 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3560 variables, 0/1529 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/3560 variables, 0/1529 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3560/3560 variables, and 1529 constraints, problems are : Problem set: 0 solved, 2 unsolved in 720 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1505/1505 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 160/163 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1342/1505 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-31 20:34:56] [INFO ] Deduced a trap composed of 52 places in 266 ms of which 5 ms to minimize.
[2024-05-31 20:34:56] [INFO ] Deduced a trap composed of 47 places in 254 ms of which 4 ms to minimize.
[2024-05-31 20:34:57] [INFO ] Deduced a trap composed of 51 places in 232 ms of which 4 ms to minimize.
[2024-05-31 20:34:57] [INFO ] Deduced a trap composed of 46 places in 201 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/1505 variables, 4/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1505 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2055/3560 variables, 1505/1533 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3560 variables, 2/1535 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3560 variables, 0/1535 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/3560 variables, 0/1535 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3560/3560 variables, and 1535 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1960 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1505/1505 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 4/4 constraints]
After SMT, in 2690ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 380 steps, including 1 resets, run visited all 2 properties in 4 ms. (steps per millisecond=95 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 2 properties in 5 ms.
Knowledge obtained : [(AND p1 (NOT p2) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p1 p2)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X p1)), (X (X (NOT (AND (NOT p1) p2))))]
False Knowledge obtained : [(F (NOT (AND p1 (NOT p2)))), (F p2), (F (NOT p0)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR p1 p2))), (F (NOT (OR (NOT p1) (NOT p2)))), (F (NOT (OR p0 p1))), (F (NOT (OR p1 (NOT p2)))), (F (NOT p1))]
Knowledge based reduction with 14 factoid took 371 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 6 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 169 ms :[true, (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 181 ms :[true, (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2))]
Support contains 3 out of 1505 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1505/1505 places, 2055/2055 transitions.
Applied a total of 0 rules in 56 ms. Remains 1505 /1505 variables (removed 0) and now considering 2055/2055 (removed 0) transitions.
[2024-05-31 20:34:58] [INFO ] Invariant cache hit.
[2024-05-31 20:34:59] [INFO ] Implicit Places using invariants in 594 ms returned []
[2024-05-31 20:34:59] [INFO ] Invariant cache hit.
[2024-05-31 20:35:01] [INFO ] Implicit Places using invariants and state equation in 1784 ms returned []
Implicit Place search using SMT with State Equation took 2412 ms to find 0 implicit places.
Running 2054 sub problems to find dead transitions.
[2024-05-31 20:35:01] [INFO ] Invariant cache hit.
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(s550 1.0)
(s551 1.0)
(s552 1.0)
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(s555 1.0)
(s556 1.0)
(s557 1.0)
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(s560 1.0)
(s561 1.0)
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(s565 1.0)
(s566 1.0)
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(s569 1.0)
(s570 1.0)
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(s572 1.0)
(s573 1.0)
(s574 1.0)
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(s576 1.0)
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(s578 1.0)
(s579 1.0)
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(s582 1.0)
(s583 1.0)
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(s586 1.0)
(s587 1.0)
(s588 1.0)
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(s601 1.0)
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(s683 1.0)
(s684 1.0)
(s685 1.0)timeout

(s686 1.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1504/3560 variables, and 0 constraints, problems are : Problem set: 0 solved, 2054 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1505 constraints, PredecessorRefiner: 2054/2054 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1504/3560 variables, and 0 constraints, problems are : Problem set: 0 solved, 2054 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1505 constraints, PredecessorRefiner: 0/2054 constraints, Known Traps: 0/0 constraints]
After SMT, in 63507ms problems are : Problem set: 0 solved, 2054 unsolved
Search for dead transitions found 0 dead transitions in 63523ms
Finished structural reductions in LTL mode , in 1 iterations and 65996 ms. Remains : 1505/1505 places, 2055/2055 transitions.
Computed a total of 24 stabilizing places and 24 stable transitions
Computed a total of 24 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p1 p2)))), (X (X (NOT p2))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X p1)), (X (X (NOT (AND (NOT p1) p2))))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 138 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 6 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 171 ms :[true, (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (268 resets) in 599 ms. (66 steps per ms) remains 4/9 properties
BEST_FIRST walk for 40004 steps (20 resets) in 69 ms. (571 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (21 resets) in 59 ms. (666 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (20 resets) in 44 ms. (888 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (15 resets) in 71 ms. (555 steps per ms) remains 4/4 properties
[2024-05-31 20:36:05] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 160/163 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 1342/1505 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1505 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 2055/3560 variables, 1505/1529 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3560 variables, 0/1529 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/3560 variables, 0/1529 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3560/3560 variables, and 1529 constraints, problems are : Problem set: 0 solved, 4 unsolved in 961 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1505/1505 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 160/163 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 1342/1505 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-05-31 20:36:07] [INFO ] Deduced a trap composed of 40 places in 384 ms of which 7 ms to minimize.
[2024-05-31 20:36:07] [INFO ] Deduced a trap composed of 48 places in 338 ms of which 6 ms to minimize.
[2024-05-31 20:36:07] [INFO ] Deduced a trap composed of 59 places in 313 ms of which 6 ms to minimize.
[2024-05-31 20:36:08] [INFO ] Deduced a trap composed of 51 places in 276 ms of which 6 ms to minimize.
[2024-05-31 20:36:08] [INFO ] Deduced a trap composed of 55 places in 253 ms of which 5 ms to minimize.
[2024-05-31 20:36:08] [INFO ] Deduced a trap composed of 46 places in 228 ms of which 5 ms to minimize.
[2024-05-31 20:36:08] [INFO ] Deduced a trap composed of 50 places in 210 ms of which 4 ms to minimize.
[2024-05-31 20:36:09] [INFO ] Deduced a trap composed of 58 places in 169 ms of which 4 ms to minimize.
[2024-05-31 20:36:09] [INFO ] Deduced a trap composed of 56 places in 156 ms of which 3 ms to minimize.
[2024-05-31 20:36:09] [INFO ] Deduced a trap composed of 62 places in 129 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/1505 variables, 10/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1505 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 2055/3560 variables, 1505/1539 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3560 variables, 4/1543 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3560 variables, 0/1543 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 0/3560 variables, 0/1543 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3560/3560 variables, and 1543 constraints, problems are : Problem set: 0 solved, 4 unsolved in 4004 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1505/1505 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 10/10 constraints]
After SMT, in 4979ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Finished Parikh walk after 5893 steps, including 34 resets, run visited all 4 properties in 124 ms. (steps per millisecond=47 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 4 properties in 124 ms.
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p1 p2)))), (X (X (NOT p2))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X p1)), (X (X (NOT (AND (NOT p1) p2))))]
False Knowledge obtained : [(F (NOT (AND p1 (NOT p2)))), (F p2), (F (NOT p0)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR p1 p2))), (F (NOT (OR (NOT p1) (NOT p2)))), (F (NOT (OR p0 p1))), (F (NOT (OR p1 (NOT p2)))), (F (NOT p1))]
Knowledge based reduction with 14 factoid took 512 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 6 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 223 ms :[true, (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 192 ms :[true, (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 192 ms :[true, (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 676 reset in 326 ms.
Product exploration explored 100000 steps with 677 reset in 336 ms.
Applying partial POR strategy [true, true, true, true, false, false]
Stuttering acceptance computed with spot in 184 ms :[true, (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2))]
Support contains 3 out of 1505 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1505/1505 places, 2055/2055 transitions.
Graph (trivial) has 1411 edges and 1505 vertex of which 127 / 1505 are part of one of the 21 SCC in 3 ms
Free SCC test removed 106 places
Ensure Unique test removed 107 transitions
Reduce isomorphic transitions removed 107 transitions.
Performed 87 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 87 rules applied. Total rules applied 88 place count 1399 transition count 1948
Performed 66 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 66 Pre rules applied. Total rules applied 88 place count 1399 transition count 1949
Deduced a syphon composed of 153 places in 1 ms
Iterating global reduction 1 with 66 rules applied. Total rules applied 154 place count 1399 transition count 1949
Discarding 104 places :
Symmetric choice reduction at 1 with 104 rule applications. Total rules 258 place count 1295 transition count 1845
Deduced a syphon composed of 90 places in 1 ms
Iterating global reduction 1 with 104 rules applied. Total rules applied 362 place count 1295 transition count 1845
Performed 118 Post agglomeration using F-continuation condition.Transition count delta: -43
Deduced a syphon composed of 208 places in 0 ms
Iterating global reduction 1 with 118 rules applied. Total rules applied 480 place count 1295 transition count 1888
Discarding 50 places :
Symmetric choice reduction at 1 with 50 rule applications. Total rules 530 place count 1245 transition count 1838
Deduced a syphon composed of 158 places in 0 ms
Iterating global reduction 1 with 50 rules applied. Total rules applied 580 place count 1245 transition count 1838
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: -45
Deduced a syphon composed of 180 places in 0 ms
Iterating global reduction 1 with 22 rules applied. Total rules applied 602 place count 1245 transition count 1883
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 603 place count 1244 transition count 1881
Deduced a syphon composed of 179 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 604 place count 1244 transition count 1881
Deduced a syphon composed of 179 places in 1 ms
Drop transitions (Redundant composition of simpler transitions.) removed 44 transitions
Redundant transition composition rules discarded 44 transitions
Iterating global reduction 1 with 44 rules applied. Total rules applied 648 place count 1244 transition count 1837
Deduced a syphon composed of 179 places in 1 ms
Applied a total of 648 rules in 826 ms. Remains 1244 /1505 variables (removed 261) and now considering 1837/2055 (removed 218) transitions.
[2024-05-31 20:36:13] [INFO ] Redundant transitions in 124 ms returned []
Running 1836 sub problems to find dead transitions.
[2024-05-31 20:36:13] [INFO ] Flow matrix only has 1796 transitions (discarded 41 similar events)
// Phase 1: matrix 1796 rows 1244 cols
[2024-05-31 20:36:13] [INFO ] Computed 24 invariants in 50 ms
[2024-05-31 20:36:13] [INFO ] State equation strengthened by 177 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1243/3040 variables, and 0 constraints, problems are : Problem set: 0 solved, 1836 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1244 constraints, ReadFeed: 0/177 constraints, PredecessorRefiner: 1836/1836 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1836 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 1243/3040 variables, and 0 constraints, problems are : Problem set: 0 solved, 1836 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1244 constraints, ReadFeed: 0/177 constraints, PredecessorRefiner: 0/1836 constraints, Known Traps: 0/0 constraints]
After SMT, in 66748ms problems are : Problem set: 0 solved, 1836 unsolved
Search for dead transitions found 0 dead transitions in 66763ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1244/1505 places, 1837/2055 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 67733 ms. Remains : 1244/1505 places, 1837/2055 transitions.
Support contains 3 out of 1505 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1505/1505 places, 2055/2055 transitions.
Applied a total of 0 rules in 48 ms. Remains 1505 /1505 variables (removed 0) and now considering 2055/2055 (removed 0) transitions.
// Phase 1: matrix 2055 rows 1505 cols
[2024-05-31 20:37:20] [INFO ] Computed 24 invariants in 44 ms
[2024-05-31 20:37:21] [INFO ] Implicit Places using invariants in 630 ms returned []
[2024-05-31 20:37:21] [INFO ] Invariant cache hit.
[2024-05-31 20:37:22] [INFO ] Implicit Places using invariants and state equation in 1748 ms returned []
Implicit Place search using SMT with State Equation took 2381 ms to find 0 implicit places.
Running 2054 sub problems to find dead transitions.
[2024-05-31 20:37:22] [INFO ] Invariant cache hit.
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 Real declared 1504/3560 variables, and 0 constraints, problems are : Problem set: 0 solved, 2054 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1505 constraints, PredecessorRefiner: 2054/2054 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2054 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1504/3560 variables, and 0 constraints, problems are : Problem set: 0 solved, 2054 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1505 constraints, PredecessorRefiner: 0/2054 constraints, Known Traps: 0/0 constraints]
After SMT, in 63574ms problems are : Problem set: 0 solved, 2054 unsolved
Search for dead transitions found 0 dead transitions in 63593ms
Finished structural reductions in LTL mode , in 1 iterations and 66027 ms. Remains : 1505/1505 places, 2055/2055 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-08 finished in 279003 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))))'
Support contains 1 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 1533 transition count 2105
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 1533 transition count 2105
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 66 place count 1533 transition count 2097
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 86 place count 1513 transition count 2077
Iterating global reduction 1 with 20 rules applied. Total rules applied 106 place count 1513 transition count 2077
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 117 place count 1513 transition count 2066
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 122 place count 1508 transition count 2061
Iterating global reduction 2 with 5 rules applied. Total rules applied 127 place count 1508 transition count 2061
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 129 place count 1508 transition count 2059
Applied a total of 129 rules in 194 ms. Remains 1508 /1562 variables (removed 54) and now considering 2059/2134 (removed 75) transitions.
// Phase 1: matrix 2059 rows 1508 cols
[2024-05-31 20:38:26] [INFO ] Computed 24 invariants in 57 ms
[2024-05-31 20:38:27] [INFO ] Implicit Places using invariants in 851 ms returned []
[2024-05-31 20:38:27] [INFO ] Invariant cache hit.
[2024-05-31 20:38:29] [INFO ] Implicit Places using invariants and state equation in 1682 ms returned []
Implicit Place search using SMT with State Equation took 2547 ms to find 0 implicit places.
Running 2058 sub problems to find dead transitions.
[2024-05-31 20:38:29] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1507/3567 variables, and 0 constraints, problems are : Problem set: 0 solved, 2058 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 2058/2058 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2058 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1507/3567 variables, and 0 constraints, problems are : Problem set: 0 solved, 2058 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 0/2058 constraints, Known Traps: 0/0 constraints]
After SMT, in 64118ms problems are : Problem set: 0 solved, 2058 unsolved
Search for dead transitions found 0 dead transitions in 64134ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1562 places, 2059/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66879 ms. Remains : 1508/1562 places, 2059/2134 transitions.
Stuttering acceptance computed with spot in 136 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-09 finished in 67035 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)))'
Support contains 1 out of 1562 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Graph (trivial) has 1492 edges and 1562 vertex of which 133 / 1562 are part of one of the 22 SCC in 4 ms
Free SCC test removed 111 places
Ensure Unique test removed 112 transitions
Reduce isomorphic transitions removed 112 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 115 transitions
Trivial Post-agglo rules discarded 115 transitions
Performed 115 trivial Post agglomeration. Transition count delta: 115
Iterating post reduction 0 with 115 rules applied. Total rules applied 116 place count 1450 transition count 1906
Reduce places removed 115 places and 0 transitions.
Iterating post reduction 1 with 115 rules applied. Total rules applied 231 place count 1335 transition count 1906
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 51 Pre rules applied. Total rules applied 231 place count 1335 transition count 1855
Deduced a syphon composed of 51 places in 1 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 2 with 102 rules applied. Total rules applied 333 place count 1284 transition count 1855
Discarding 72 places :
Symmetric choice reduction at 2 with 72 rule applications. Total rules 405 place count 1212 transition count 1783
Iterating global reduction 2 with 72 rules applied. Total rules applied 477 place count 1212 transition count 1783
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 485 place count 1212 transition count 1775
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 485 place count 1212 transition count 1774
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 487 place count 1211 transition count 1774
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 499 place count 1199 transition count 1762
Iterating global reduction 3 with 12 rules applied. Total rules applied 511 place count 1199 transition count 1762
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 523 place count 1199 transition count 1750
Performed 133 Post agglomeration using F-continuation condition.Transition count delta: 133
Deduced a syphon composed of 133 places in 0 ms
Reduce places removed 133 places and 0 transitions.
Iterating global reduction 4 with 266 rules applied. Total rules applied 789 place count 1066 transition count 1617
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 791 place count 1064 transition count 1615
Iterating global reduction 4 with 2 rules applied. Total rules applied 793 place count 1064 transition count 1615
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 795 place count 1064 transition count 1613
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 5 with 22 rules applied. Total rules applied 817 place count 1064 transition count 1591
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 819 place count 1062 transition count 1589
Applied a total of 819 rules in 589 ms. Remains 1062 /1562 variables (removed 500) and now considering 1589/2134 (removed 545) transitions.
[2024-05-31 20:39:34] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
// Phase 1: matrix 1546 rows 1062 cols
[2024-05-31 20:39:34] [INFO ] Computed 24 invariants in 49 ms
[2024-05-31 20:39:34] [INFO ] Implicit Places using invariants in 577 ms returned []
[2024-05-31 20:39:34] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-31 20:39:34] [INFO ] Invariant cache hit.
[2024-05-31 20:39:35] [INFO ] Implicit Places using invariants and state equation in 1114 ms returned []
Implicit Place search using SMT with State Equation took 1692 ms to find 0 implicit places.
[2024-05-31 20:39:35] [INFO ] Redundant transitions in 31 ms returned []
Running 641 sub problems to find dead transitions.
[2024-05-31 20:39:35] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-31 20:39:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1040 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1040 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 2 (OVERLAPS) 22/1062 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 641 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1062/2608 variables, and 24 constraints, problems are : Problem set: 0 solved, 641 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1062 constraints, PredecessorRefiner: 641/641 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 641 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1040 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1040 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 2 (OVERLAPS) 22/1062 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1062 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 4 (OVERLAPS) 1545/2607 variables, 1062/1086 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2607 variables, 641/1727 constraints. Problems are: Problem set: 0 solved, 641 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2607/2608 variables, and 1727 constraints, problems are : Problem set: 0 solved, 641 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1062/1062 constraints, PredecessorRefiner: 641/641 constraints, Known Traps: 0/0 constraints]
After SMT, in 60815ms problems are : Problem set: 0 solved, 641 unsolved
Search for dead transitions found 0 dead transitions in 60821ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1062/1562 places, 1589/2134 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 63144 ms. Remains : 1062/1562 places, 1589/2134 transitions.
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-10
Product exploration explored 100000 steps with 3513 reset in 1388 ms.
Product exploration explored 100000 steps with 3516 reset in 1428 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 67 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (1428 resets) in 591 ms. (67 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 356874 steps, run timeout after 3001 ms. (steps per millisecond=118 ) properties seen :0 out of 1
Probabilistic random walk after 356874 steps, saw 103656 distinct states, run finished after 3002 ms. (steps per millisecond=118 ) properties seen :0
[2024-05-31 20:40:43] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-31 20:40:43] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 443/444 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/444 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 884/1328 variables, 444/445 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1328 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1012/2340 variables, 484/929 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2340 variables, 0/929 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 132/2472 variables, 22/951 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2472 variables, 0/951 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 132/2604 variables, 132/1083 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2604 variables, 0/1083 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 3/2607 variables, 2/1085 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2607 variables, 1/1086 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2607 variables, 0/1086 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/2607 variables, 0/1086 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2607/2608 variables, and 1086 constraints, problems are : Problem set: 0 solved, 1 unsolved in 561 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1062/1062 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 443/444 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/444 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 884/1328 variables, 444/445 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1328 variables, 1/446 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1328 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1012/2340 variables, 484/930 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2340 variables, 0/930 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 132/2472 variables, 22/952 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2472 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 132/2604 variables, 132/1084 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 20:40:44] [INFO ] Deduced a trap composed of 468 places in 367 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/2604 variables, 1/1085 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2604 variables, 0/1085 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 3/2607 variables, 2/1087 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2607 variables, 1/1088 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2607 variables, 0/1088 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/2607 variables, 0/1088 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2607/2608 variables, and 1088 constraints, problems are : Problem set: 0 solved, 1 unsolved in 992 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1062/1062 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1559ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 10 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=5 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 110 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 1062 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1062/1062 places, 1589/1589 transitions.
Applied a total of 0 rules in 117 ms. Remains 1062 /1062 variables (removed 0) and now considering 1589/1589 (removed 0) transitions.
[2024-05-31 20:40:45] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-31 20:40:45] [INFO ] Invariant cache hit.
[2024-05-31 20:40:45] [INFO ] Implicit Places using invariants in 525 ms returned []
[2024-05-31 20:40:45] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-31 20:40:45] [INFO ] Invariant cache hit.
[2024-05-31 20:40:46] [INFO ] Implicit Places using invariants and state equation in 1158 ms returned []
Implicit Place search using SMT with State Equation took 1687 ms to find 0 implicit places.
[2024-05-31 20:40:46] [INFO ] Redundant transitions in 21 ms returned []
Running 641 sub problems to find dead transitions.
[2024-05-31 20:40:46] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-31 20:40:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1040 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1040 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 2 (OVERLAPS) 22/1062 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 641 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1062/2608 variables, and 24 constraints, problems are : Problem set: 0 solved, 641 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1062 constraints, PredecessorRefiner: 641/641 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 641 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1040 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1040 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 2 (OVERLAPS) 22/1062 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1062 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 4 (OVERLAPS) 1545/2607 variables, 1062/1086 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2607 variables, 641/1727 constraints. Problems are: Problem set: 0 solved, 641 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2607/2608 variables, and 1727 constraints, problems are : Problem set: 0 solved, 641 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1062/1062 constraints, PredecessorRefiner: 641/641 constraints, Known Traps: 0/0 constraints]
After SMT, in 60799ms problems are : Problem set: 0 solved, 641 unsolved
Search for dead transitions found 0 dead transitions in 60804ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62636 ms. Remains : 1062/1062 places, 1589/1589 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 85 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (1417 resets) in 578 ms. (69 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 355228 steps, run timeout after 3001 ms. (steps per millisecond=118 ) properties seen :0 out of 1
Probabilistic random walk after 355228 steps, saw 103329 distinct states, run finished after 3002 ms. (steps per millisecond=118 ) properties seen :0
[2024-05-31 20:41:51] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-31 20:41:51] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 443/444 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/444 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 884/1328 variables, 444/445 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1328 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1012/2340 variables, 484/929 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2340 variables, 0/929 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 132/2472 variables, 22/951 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2472 variables, 0/951 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 132/2604 variables, 132/1083 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2604 variables, 0/1083 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 3/2607 variables, 2/1085 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2607 variables, 1/1086 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2607 variables, 0/1086 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/2607 variables, 0/1086 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2607/2608 variables, and 1086 constraints, problems are : Problem set: 0 solved, 1 unsolved in 533 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1062/1062 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 443/444 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/444 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 884/1328 variables, 444/445 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1328 variables, 1/446 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1328 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1012/2340 variables, 484/930 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2340 variables, 0/930 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 132/2472 variables, 22/952 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2472 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 132/2604 variables, 132/1084 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 20:41:52] [INFO ] Deduced a trap composed of 468 places in 340 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/2604 variables, 1/1085 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2604 variables, 0/1085 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 3/2607 variables, 2/1087 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2607 variables, 1/1088 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2607 variables, 0/1088 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/2607 variables, 0/1088 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2607/2608 variables, and 1088 constraints, problems are : Problem set: 0 solved, 1 unsolved in 958 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1062/1062 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1513ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 127 steps, including 3 resets, run visited all 1 properties in 2 ms. (steps per millisecond=63 )
Parikh walk visited 1 properties in 2 ms.
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 166 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 57 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3509 reset in 1372 ms.
Product exploration explored 100000 steps with 3501 reset in 1390 ms.
Support contains 1 out of 1062 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1062/1062 places, 1589/1589 transitions.
Applied a total of 0 rules in 110 ms. Remains 1062 /1062 variables (removed 0) and now considering 1589/1589 (removed 0) transitions.
[2024-05-31 20:41:56] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-31 20:41:56] [INFO ] Invariant cache hit.
[2024-05-31 20:41:56] [INFO ] Implicit Places using invariants in 573 ms returned []
[2024-05-31 20:41:56] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-31 20:41:56] [INFO ] Invariant cache hit.
[2024-05-31 20:41:57] [INFO ] Implicit Places using invariants and state equation in 1126 ms returned []
Implicit Place search using SMT with State Equation took 1714 ms to find 0 implicit places.
[2024-05-31 20:41:57] [INFO ] Redundant transitions in 20 ms returned []
Running 641 sub problems to find dead transitions.
[2024-05-31 20:41:57] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-31 20:41:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1040 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1040 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 2 (OVERLAPS) 22/1062 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 641 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1062/2608 variables, and 24 constraints, problems are : Problem set: 0 solved, 641 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1062 constraints, PredecessorRefiner: 641/641 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 641 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1040 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1040 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 2 (OVERLAPS) 22/1062 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1062 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 4 (OVERLAPS) 1545/2607 variables, 1062/1086 constraints. Problems are: Problem set: 0 solved, 641 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2607 variables, 641/1727 constraints. Problems are: Problem set: 0 solved, 641 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2607/2608 variables, and 1727 constraints, problems are : Problem set: 0 solved, 641 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1062/1062 constraints, PredecessorRefiner: 641/641 constraints, Known Traps: 0/0 constraints]
After SMT, in 60934ms problems are : Problem set: 0 solved, 641 unsolved
Search for dead transitions found 0 dead transitions in 60940ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62796 ms. Remains : 1062/1062 places, 1589/1589 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-10 finished in 205478 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) U G(p1))||G(F(p2))))'
Support contains 6 out of 1562 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Graph (trivial) has 1462 edges and 1562 vertex of which 127 / 1562 are part of one of the 21 SCC in 1 ms
Free SCC test removed 106 places
Ensure Unique test removed 107 transitions
Reduce isomorphic transitions removed 107 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 113 transitions
Trivial Post-agglo rules discarded 113 transitions
Performed 113 trivial Post agglomeration. Transition count delta: 113
Iterating post reduction 0 with 113 rules applied. Total rules applied 114 place count 1455 transition count 1913
Reduce places removed 113 places and 0 transitions.
Iterating post reduction 1 with 113 rules applied. Total rules applied 227 place count 1342 transition count 1913
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 51 Pre rules applied. Total rules applied 227 place count 1342 transition count 1862
Deduced a syphon composed of 51 places in 1 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 2 with 102 rules applied. Total rules applied 329 place count 1291 transition count 1862
Discarding 69 places :
Symmetric choice reduction at 2 with 69 rule applications. Total rules 398 place count 1222 transition count 1793
Iterating global reduction 2 with 69 rules applied. Total rules applied 467 place count 1222 transition count 1793
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 474 place count 1222 transition count 1786
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 474 place count 1222 transition count 1785
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 476 place count 1221 transition count 1785
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 488 place count 1209 transition count 1773
Iterating global reduction 3 with 12 rules applied. Total rules applied 500 place count 1209 transition count 1773
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 511 place count 1209 transition count 1762
Performed 136 Post agglomeration using F-continuation condition.Transition count delta: 136
Deduced a syphon composed of 136 places in 0 ms
Reduce places removed 136 places and 0 transitions.
Iterating global reduction 4 with 272 rules applied. Total rules applied 783 place count 1073 transition count 1626
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 785 place count 1071 transition count 1624
Iterating global reduction 4 with 2 rules applied. Total rules applied 787 place count 1071 transition count 1624
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 789 place count 1071 transition count 1622
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
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 791 place count 1070 transition count 1622
Drop transitions (Redundant composition of simpler transitions.) removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 5 with 23 rules applied. Total rules applied 814 place count 1070 transition count 1599
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 816 place count 1068 transition count 1597
Applied a total of 816 rules in 625 ms. Remains 1068 /1562 variables (removed 494) and now considering 1597/2134 (removed 537) transitions.
[2024-05-31 20:42:59] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
// Phase 1: matrix 1555 rows 1068 cols
[2024-05-31 20:42:59] [INFO ] Computed 24 invariants in 47 ms
[2024-05-31 20:43:00] [INFO ] Implicit Places using invariants in 628 ms returned []
[2024-05-31 20:43:00] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-31 20:43:00] [INFO ] Invariant cache hit.
[2024-05-31 20:43:01] [INFO ] Implicit Places using invariants and state equation in 1162 ms returned []
Implicit Place search using SMT with State Equation took 1794 ms to find 0 implicit places.
[2024-05-31 20:43:01] [INFO ] Redundant transitions in 20 ms returned []
Running 668 sub problems to find dead transitions.
[2024-05-31 20:43:01] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-31 20:43:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1046 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1046 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 2 (OVERLAPS) 22/1068 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 668 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 1068/2623 variables, and 24 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1068 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 668 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1046 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1046 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 2 (OVERLAPS) 22/1068 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1068 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 4 (OVERLAPS) 1554/2622 variables, 1068/1092 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2622 variables, 668/1760 constraints. Problems are: Problem set: 0 solved, 668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2622/2623 variables, and 1760 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1068/1068 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints]
After SMT, in 60987ms problems are : Problem set: 0 solved, 668 unsolved
Search for dead transitions found 0 dead transitions in 60993ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1068/1562 places, 1597/2134 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 63439 ms. Remains : 1068/1562 places, 1597/2134 transitions.
Stuttering acceptance computed with spot in 176 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-11
Product exploration explored 100000 steps with 33373 reset in 3519 ms.
Product exploration explored 100000 steps with 33432 reset in 3562 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) p2), (X p2), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND p1 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 18 factoid took 188 ms. Reduced automaton from 4 states, 10 edges and 3 AP (stutter insensitive) to 4 states, 10 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 182 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0) p1), (AND (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (1374 resets) in 640 ms. (62 steps per ms) remains 8/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 39 ms. (1000 steps per ms) remains 6/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 261 ms. (152 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 114 ms. (347 steps per ms) remains 6/6 properties
[2024-05-31 20:44:11] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-31 20:44:11] [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
At refinement iteration 1 (OVERLAPS) 583/589 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/589 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1042/1631 variables, 589/595 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1631 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 821/2452 variables, 377/972 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2452 variables, 1/973 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2452 variables, 0/973 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 102/2554 variables, 17/990 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2554 variables, 34/1024 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2554 variables, 0/1024 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 68/2622 variables, 68/1092 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2622 variables, 0/1092 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 0/2622 variables, 0/1092 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2622/2623 variables, and 1092 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1226 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1068/1068 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 583/589 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/589 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1042/1631 variables, 589/595 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1631 variables, 2/597 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1631 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 821/2452 variables, 377/974 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2452 variables, 1/975 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2452 variables, 4/979 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2452 variables, 0/979 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 102/2554 variables, 17/996 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2554 variables, 34/1030 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2554 variables, 0/1030 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 68/2622 variables, 68/1098 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2622 variables, 0/1098 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 0/2622 variables, 0/1098 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2622/2623 variables, and 1098 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1626 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1068/1068 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 2867ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 2 different solutions.
Finished Parikh walk after 832 steps, including 15 resets, run visited all 2 properties in 12 ms. (steps per millisecond=69 )
Parikh walk visited 6 properties in 118 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p0) p2), (X p2), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND p1 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (F (NOT (OR p2 (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR p2 p1))), (F (NOT p2)), (F (NOT (OR p2 p0 (NOT p1)))), (F (NOT (OR p2 p0))), (F p0), (F (NOT (OR p2 p0 p1))), (F p1)]
Knowledge based reduction with 18 factoid took 448 ms. Reduced automaton from 4 states, 10 edges and 3 AP (stutter insensitive) to 4 states, 10 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0) p1), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0) p1), (AND (NOT p1) (NOT p2))]
Support contains 6 out of 1068 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1068/1068 places, 1597/1597 transitions.
Applied a total of 0 rules in 118 ms. Remains 1068 /1068 variables (removed 0) and now considering 1597/1597 (removed 0) transitions.
[2024-05-31 20:44:15] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-31 20:44:15] [INFO ] Invariant cache hit.
[2024-05-31 20:44:15] [INFO ] Implicit Places using invariants in 526 ms returned []
[2024-05-31 20:44:15] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-31 20:44:15] [INFO ] Invariant cache hit.
[2024-05-31 20:44:16] [INFO ] Implicit Places using invariants and state equation in 1206 ms returned []
Implicit Place search using SMT with State Equation took 1733 ms to find 0 implicit places.
[2024-05-31 20:44:16] [INFO ] Redundant transitions in 22 ms returned []
Running 668 sub problems to find dead transitions.
[2024-05-31 20:44:16] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-31 20:44:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1046 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1046 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 2 (OVERLAPS) 22/1068 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1068/2623 variables, and 24 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1068 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 668 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1046 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1046 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 2 (OVERLAPS) 22/1068 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1068 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 4 (OVERLAPS) 1554/2622 variables, 1068/1092 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2622 variables, 668/1760 constraints. Problems are: Problem set: 0 solved, 668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2622/2623 variables, and 1760 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1068/1068 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints]
After SMT, in 60865ms problems are : Problem set: 0 solved, 668 unsolved
Search for dead transitions found 0 dead transitions in 60870ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62751 ms. Remains : 1068/1068 places, 1597/1597 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X p2), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 18 factoid took 191 ms. Reduced automaton from 4 states, 10 edges and 3 AP (stutter insensitive) to 4 states, 10 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 171 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0) p1), (AND (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (1375 resets) in 3128 ms. (12 steps per ms) remains 8/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 39 ms. (1000 steps per ms) remains 6/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 6/6 properties
[2024-05-31 20:45:19] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-31 20:45:19] [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
At refinement iteration 1 (OVERLAPS) 583/589 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/589 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1042/1631 variables, 589/595 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1631 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 821/2452 variables, 377/972 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2452 variables, 1/973 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2452 variables, 0/973 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 102/2554 variables, 17/990 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2554 variables, 34/1024 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2554 variables, 0/1024 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 68/2622 variables, 68/1092 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2622 variables, 0/1092 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 0/2622 variables, 0/1092 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2622/2623 variables, and 1092 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1251 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1068/1068 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 583/589 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/589 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1042/1631 variables, 589/595 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1631 variables, 2/597 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1631 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 821/2452 variables, 377/974 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2452 variables, 1/975 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2452 variables, 4/979 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2452 variables, 0/979 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 102/2554 variables, 17/996 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2554 variables, 34/1030 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2554 variables, 0/1030 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 68/2622 variables, 68/1098 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2622 variables, 0/1098 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 0/2622 variables, 0/1098 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2622/2623 variables, and 1098 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1688 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1068/1068 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 2950ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 2 different solutions.
Finished Parikh walk after 61 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=30 )
Parikh walk visited 6 properties in 107 ms.
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X p2), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (F (NOT (OR p2 (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR p2 p1))), (F (NOT p2)), (F (NOT (OR p2 p0 (NOT p1)))), (F (NOT (OR p2 p0))), (F p0), (F (NOT (OR p2 p0 p1))), (F p1)]
Knowledge based reduction with 18 factoid took 497 ms. Reduced automaton from 4 states, 10 edges and 3 AP (stutter insensitive) to 4 states, 10 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 180 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0) p1), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 156 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0) p1), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 179 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0) p1), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 33596 reset in 3608 ms.
Product exploration explored 100000 steps with 33304 reset in 3602 ms.
Support contains 6 out of 1068 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1068/1068 places, 1597/1597 transitions.
Applied a total of 0 rules in 116 ms. Remains 1068 /1068 variables (removed 0) and now considering 1597/1597 (removed 0) transitions.
[2024-05-31 20:45:31] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-31 20:45:31] [INFO ] Invariant cache hit.
[2024-05-31 20:45:31] [INFO ] Implicit Places using invariants in 529 ms returned []
[2024-05-31 20:45:31] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-31 20:45:31] [INFO ] Invariant cache hit.
[2024-05-31 20:45:32] [INFO ] Implicit Places using invariants and state equation in 1162 ms returned []
Implicit Place search using SMT with State Equation took 1705 ms to find 0 implicit places.
[2024-05-31 20:45:32] [INFO ] Redundant transitions in 21 ms returned []
Running 668 sub problems to find dead transitions.
[2024-05-31 20:45:32] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-31 20:45:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1046 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1046 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 2 (OVERLAPS) 22/1068 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1068/2623 variables, and 24 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1068 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 668 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1046 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1046 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 2 (OVERLAPS) 22/1068 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1068 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 4 (OVERLAPS) 1554/2622 variables, 1068/1092 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2622 variables, 668/1760 constraints. Problems are: Problem set: 0 solved, 668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2622/2623 variables, and 1760 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1068/1068 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints]
After SMT, in 60938ms problems are : Problem set: 0 solved, 668 unsolved
Search for dead transitions found 0 dead transitions in 60943ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62795 ms. Remains : 1068/1068 places, 1597/1597 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-11 finished in 214880 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)))||F((p1&&X(p2)))))'
Support contains 3 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Discarding 27 places :
Symmetric choice reduction at 0 with 27 rule applications. Total rules 27 place count 1535 transition count 2107
Iterating global reduction 0 with 27 rules applied. Total rules applied 54 place count 1535 transition count 2107
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 62 place count 1535 transition count 2099
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 80 place count 1517 transition count 2081
Iterating global reduction 1 with 18 rules applied. Total rules applied 98 place count 1517 transition count 2081
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 106 place count 1517 transition count 2073
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 112 place count 1511 transition count 2067
Iterating global reduction 2 with 6 rules applied. Total rules applied 118 place count 1511 transition count 2067
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 121 place count 1511 transition count 2064
Applied a total of 121 rules in 192 ms. Remains 1511 /1562 variables (removed 51) and now considering 2064/2134 (removed 70) transitions.
// Phase 1: matrix 2064 rows 1511 cols
[2024-05-31 20:46:34] [INFO ] Computed 24 invariants in 43 ms
[2024-05-31 20:46:34] [INFO ] Implicit Places using invariants in 649 ms returned []
[2024-05-31 20:46:34] [INFO ] Invariant cache hit.
[2024-05-31 20:46:36] [INFO ] Implicit Places using invariants and state equation in 1604 ms returned []
Implicit Place search using SMT with State Equation took 2256 ms to find 0 implicit places.
Running 2063 sub problems to find dead transitions.
[2024-05-31 20:46:36] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1510/3575 variables, and 0 constraints, problems are : Problem set: 0 solved, 2063 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 2063/2063 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2063 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1)
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(s1319 1)
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(s1335 1)
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(s1349 1)
(s1350 1)
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(s1354 1)
(s1355 1)
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(s1359 1)
(s1360 1)
(s1361 1)
(s1362 1)
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(s1364 1)
(s1365 1)
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(s1431 1)
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(s1442 1)
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(s1445 1)
(s1446 1)
(s1447 1)
(s1448 1)
(s1449 1)
(s1450 1)
(s1451 1)
(s1452 1)
(s1453 1)
(s1454 1)
(s1455 1)
(s1456 1)
(s1457 1)
(s1458 1)
(s1459 1)
(s1460 timeout
1)
(s1461 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1510/3575 variables, and 0 constraints, problems are : Problem set: 0 solved, 2063 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 0/2063 constraints, Known Traps: 0/0 constraints]
After SMT, in 63929ms problems are : Problem set: 0 solved, 2063 unsolved
Search for dead transitions found 0 dead transitions in 63950ms
Starting structural reductions in LTL mode, iteration 1 : 1511/1562 places, 2064/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66409 ms. Remains : 1511/1562 places, 2064/2134 transitions.
Stuttering acceptance computed with spot in 264 ms :[(OR (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-12
Stuttering criterion allowed to conclude after 139 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-12 finished in 66703 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||X((G(p2)||p1)))))'
Support contains 4 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Discarding 28 places :
Symmetric choice reduction at 0 with 28 rule applications. Total rules 28 place count 1534 transition count 2106
Iterating global reduction 0 with 28 rules applied. Total rules applied 56 place count 1534 transition count 2106
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 63 place count 1534 transition count 2099
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 83 place count 1514 transition count 2079
Iterating global reduction 1 with 20 rules applied. Total rules applied 103 place count 1514 transition count 2079
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 113 place count 1514 transition count 2069
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 119 place count 1508 transition count 2063
Iterating global reduction 2 with 6 rules applied. Total rules applied 125 place count 1508 transition count 2063
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 128 place count 1508 transition count 2060
Applied a total of 128 rules in 275 ms. Remains 1508 /1562 variables (removed 54) and now considering 2060/2134 (removed 74) transitions.
// Phase 1: matrix 2060 rows 1508 cols
[2024-05-31 20:47:40] [INFO ] Computed 24 invariants in 42 ms
[2024-05-31 20:47:41] [INFO ] Implicit Places using invariants in 689 ms returned []
[2024-05-31 20:47:41] [INFO ] Invariant cache hit.
[2024-05-31 20:47:43] [INFO ] Implicit Places using invariants and state equation in 1734 ms returned []
Implicit Place search using SMT with State Equation took 2439 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-31 20:47:43] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1507/3568 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 2059/2059 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2059 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1507/3568 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 0/2059 constraints, Known Traps: 0/0 constraints]
After SMT, in 63988ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 64009ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1562 places, 2060/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66731 ms. Remains : 1508/1562 places, 2060/2134 transitions.
Stuttering acceptance computed with spot in 144 ms :[true, (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-13
Product exploration explored 100000 steps with 675 reset in 320 ms.
Product exploration explored 100000 steps with 673 reset in 315 ms.
Computed a total of 24 stabilizing places and 24 stable transitions
Computed a total of 24 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X p1), (X (AND p0 p1)), (X (NOT (AND (NOT p1) p2))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X p1)), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p1) p2))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 121 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 112 ms :[true, (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p2), (AND (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (268 resets) in 1191 ms. (33 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (22 resets) in 134 ms. (296 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (19 resets) in 306 ms. (130 steps per ms) remains 4/7 properties
BEST_FIRST walk for 40004 steps (18 resets) in 73 ms. (540 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (20 resets) in 118 ms. (336 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (20 resets) in 195 ms. (204 steps per ms) remains 4/4 properties
[2024-05-31 20:48:49] [INFO ] Invariant cache hit.
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, 4 unsolved
Problem apf2 is UNSAT
At refinement iteration 1 (OVERLAPS) 546/550 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/550 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 958/1508 variables, 21/24 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1508 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2060/3568 variables, 1508/1532 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3568 variables, 0/1532 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/3568 variables, 0/1532 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3568/3568 variables, and 1532 constraints, problems are : Problem set: 1 solved, 3 unsolved in 944 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1508/1508 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 546/550 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/550 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 958/1508 variables, 21/24 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1508 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2060/3568 variables, 1508/1532 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3568 variables, 3/1535 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3568 variables, 0/1535 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/3568 variables, 0/1535 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3568/3568 variables, and 1535 constraints, problems are : Problem set: 1 solved, 3 unsolved in 1291 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1508/1508 constraints, PredecessorRefiner: 3/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 2280ms problems are : Problem set: 1 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 143 steps, including 0 resets, run visited all 3 properties in 4 ms. (steps per millisecond=35 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 4 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X p1), (X (AND p0 p1)), (X (NOT (AND (NOT p1) p2))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X p1)), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p1) p2)))), (G (OR (NOT p2) p1))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND p0 p1))), (F (NOT p1)), (F p2), (F (NOT (OR p2 p1)))]
Knowledge based reduction with 16 factoid took 279 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 102 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 84 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Support contains 4 out of 1508 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1508/1508 places, 2060/2060 transitions.
Applied a total of 0 rules in 53 ms. Remains 1508 /1508 variables (removed 0) and now considering 2060/2060 (removed 0) transitions.
[2024-05-31 20:48:51] [INFO ] Invariant cache hit.
[2024-05-31 20:48:52] [INFO ] Implicit Places using invariants in 621 ms returned []
[2024-05-31 20:48:52] [INFO ] Invariant cache hit.
[2024-05-31 20:48:54] [INFO ] Implicit Places using invariants and state equation in 1735 ms returned []
Implicit Place search using SMT with State Equation took 2366 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-31 20:48:54] [INFO ] Invariant cache hit.
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 Real declared 1507/3568 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 2059/2059 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2059 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1507/3568 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 0/2059 constraints, Known Traps: 0/0 constraints]
After SMT, in 63824ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 63843ms
Finished structural reductions in LTL mode , in 1 iterations and 66266 ms. Remains : 1508/1508 places, 2060/2060 transitions.
Computed a total of 24 stabilizing places and 24 stable transitions
Computed a total of 24 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND p0 p1), (X p1), (X (NOT (AND (NOT p0) p1))), (X p0), (X (AND p0 p1)), (X (X p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (AND p0 p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 82 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 96 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
RANDOM walk for 40000 steps (268 resets) in 1538 ms. (25 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (20 resets) in 273 ms. (146 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (20 resets) in 310 ms. (128 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (18 resets) in 76 ms. (519 steps per ms) remains 2/4 properties
[2024-05-31 20:49:59] [INFO ] Invariant cache hit.
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) 546/550 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/550 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 958/1508 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1508 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2060/3568 variables, 1508/1532 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3568 variables, 0/1532 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/3568 variables, 0/1532 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3568/3568 variables, and 1532 constraints, problems are : Problem set: 0 solved, 2 unsolved in 785 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1508/1508 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) 546/550 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/550 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 958/1508 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1508 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2060/3568 variables, 1508/1532 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3568 variables, 2/1534 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3568 variables, 0/1534 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/3568 variables, 0/1534 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3568/3568 variables, and 1534 constraints, problems are : Problem set: 0 solved, 2 unsolved in 952 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1508/1508 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 1744ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 154 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=51 )
Parikh walk visited 2 properties in 3 ms.
Knowledge obtained : [(AND p0 p1), (X p1), (X (NOT (AND (NOT p0) p1))), (X p0), (X (AND p0 p1)), (X (X p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (AND p0 p1)))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (AND p1 p0))), (F (NOT p1)), (F (NOT (OR (NOT p1) p0)))]
Knowledge based reduction with 9 factoid took 181 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 68 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 85 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 69 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Product exploration explored 100000 steps with 674 reset in 289 ms.
Product exploration explored 100000 steps with 675 reset in 341 ms.
Support contains 4 out of 1508 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1508/1508 places, 2060/2060 transitions.
Applied a total of 0 rules in 49 ms. Remains 1508 /1508 variables (removed 0) and now considering 2060/2060 (removed 0) transitions.
[2024-05-31 20:50:01] [INFO ] Invariant cache hit.
[2024-05-31 20:50:02] [INFO ] Implicit Places using invariants in 586 ms returned []
[2024-05-31 20:50:02] [INFO ] Invariant cache hit.
[2024-05-31 20:50:04] [INFO ] Implicit Places using invariants and state equation in 1672 ms returned []
Implicit Place search using SMT with State Equation took 2260 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-31 20:50:04] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1507/3568 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 2059/2059 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2059 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1507/3568 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 0/2059 constraints, Known Traps: 0/0 constraints]
After SMT, in 63839ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 63860ms
Finished structural reductions in LTL mode , in 1 iterations and 66177 ms. Remains : 1508/1508 places, 2060/2060 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-13 finished in 207606 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((p0 U (p1&&F(p2)))))'
Support contains 3 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Discarding 27 places :
Symmetric choice reduction at 0 with 27 rule applications. Total rules 27 place count 1535 transition count 2107
Iterating global reduction 0 with 27 rules applied. Total rules applied 54 place count 1535 transition count 2107
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 62 place count 1535 transition count 2099
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 80 place count 1517 transition count 2081
Iterating global reduction 1 with 18 rules applied. Total rules applied 98 place count 1517 transition count 2081
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 108 place count 1517 transition count 2071
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 113 place count 1512 transition count 2066
Iterating global reduction 2 with 5 rules applied. Total rules applied 118 place count 1512 transition count 2066
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 121 place count 1512 transition count 2063
Applied a total of 121 rules in 199 ms. Remains 1512 /1562 variables (removed 50) and now considering 2063/2134 (removed 71) transitions.
// Phase 1: matrix 2063 rows 1512 cols
[2024-05-31 20:51:08] [INFO ] Computed 24 invariants in 43 ms
[2024-05-31 20:51:09] [INFO ] Implicit Places using invariants in 661 ms returned []
[2024-05-31 20:51:09] [INFO ] Invariant cache hit.
[2024-05-31 20:51:10] [INFO ] Implicit Places using invariants and state equation in 1683 ms returned []
Implicit Place search using SMT with State Equation took 2373 ms to find 0 implicit places.
Running 2062 sub problems to find dead transitions.
[2024-05-31 20:51:10] [INFO ] Invariant cache hit.
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 Real declared 1511/3575 variables, and 0 constraints, problems are : Problem set: 0 solved, 2062 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 2062/2062 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2062 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 1511/3575 variables, and 0 constraints, problems are : Problem set: 0 solved, 2062 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 0/2062 constraints, Known Traps: 0/0 constraints]
After SMT, in 64179ms problems are : Problem set: 0 solved, 2062 unsolved
Search for dead transitions found 0 dead transitions in 64197ms
Starting structural reductions in LTL mode, iteration 1 : 1512/1562 places, 2063/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66773 ms. Remains : 1512/1562 places, 2063/2134 transitions.
Stuttering acceptance computed with spot in 132 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p2) (NOT p1)), true, (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-14
Stuttering criterion allowed to conclude after 145 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-14 finished in 66935 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))&&F(p1)))'
Support contains 4 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Discarding 28 places :
Symmetric choice reduction at 0 with 28 rule applications. Total rules 28 place count 1534 transition count 2106
Iterating global reduction 0 with 28 rules applied. Total rules applied 56 place count 1534 transition count 2106
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 63 place count 1534 transition count 2099
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 83 place count 1514 transition count 2079
Iterating global reduction 1 with 20 rules applied. Total rules applied 103 place count 1514 transition count 2079
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 113 place count 1514 transition count 2069
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 119 place count 1508 transition count 2063
Iterating global reduction 2 with 6 rules applied. Total rules applied 125 place count 1508 transition count 2063
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 128 place count 1508 transition count 2060
Applied a total of 128 rules in 203 ms. Remains 1508 /1562 variables (removed 54) and now considering 2060/2134 (removed 74) transitions.
// Phase 1: matrix 2060 rows 1508 cols
[2024-05-31 20:52:15] [INFO ] Computed 24 invariants in 44 ms
[2024-05-31 20:52:15] [INFO ] Implicit Places using invariants in 646 ms returned []
[2024-05-31 20:52:15] [INFO ] Invariant cache hit.
[2024-05-31 20:52:17] [INFO ] Implicit Places using invariants and state equation in 1760 ms returned []
Implicit Place search using SMT with State Equation took 2413 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-31 20:52:17] [INFO ] Invariant cache hit.
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(s1229 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1507/3568 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 2059/2059 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2059 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1507/3568 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 0/2059 constraints, Known Traps: 0/0 constraints]
After SMT, in 63830ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 63847ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1562 places, 2060/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66467 ms. Remains : 1508/1562 places, 2060/2134 transitions.
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-15
Stuttering criterion allowed to conclude after 176 steps with 1 reset in 1 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-15 finished in 66617 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((G(p0)||(p0&&G((F(p1)&&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||X(p1)))))'
Found a Lengthening insensitive property : FlexibleBarrier-PT-22b-LTLFireability-04
Stuttering acceptance computed with spot in 88 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 2 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Graph (trivial) has 1490 edges and 1562 vertex of which 133 / 1562 are part of one of the 22 SCC in 2 ms
Free SCC test removed 111 places
Ensure Unique test removed 112 transitions
Reduce isomorphic transitions removed 112 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 114 transitions
Trivial Post-agglo rules discarded 114 transitions
Performed 114 trivial Post agglomeration. Transition count delta: 114
Iterating post reduction 0 with 114 rules applied. Total rules applied 115 place count 1450 transition count 1907
Reduce places removed 114 places and 0 transitions.
Iterating post reduction 1 with 114 rules applied. Total rules applied 229 place count 1336 transition count 1907
Performed 50 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 50 Pre rules applied. Total rules applied 229 place count 1336 transition count 1857
Deduced a syphon composed of 50 places in 1 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 2 with 100 rules applied. Total rules applied 329 place count 1286 transition count 1857
Discarding 71 places :
Symmetric choice reduction at 2 with 71 rule applications. Total rules 400 place count 1215 transition count 1786
Iterating global reduction 2 with 71 rules applied. Total rules applied 471 place count 1215 transition count 1786
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 479 place count 1215 transition count 1778
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 479 place count 1215 transition count 1777
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 481 place count 1214 transition count 1777
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 493 place count 1202 transition count 1765
Iterating global reduction 3 with 12 rules applied. Total rules applied 505 place count 1202 transition count 1765
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 516 place count 1202 transition count 1754
Performed 133 Post agglomeration using F-continuation condition.Transition count delta: 133
Deduced a syphon composed of 133 places in 1 ms
Reduce places removed 133 places and 0 transitions.
Iterating global reduction 4 with 266 rules applied. Total rules applied 782 place count 1069 transition count 1621
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 784 place count 1067 transition count 1619
Iterating global reduction 4 with 2 rules applied. Total rules applied 786 place count 1067 transition count 1619
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 788 place count 1067 transition count 1617
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 5 with 22 rules applied. Total rules applied 810 place count 1067 transition count 1595
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 812 place count 1065 transition count 1593
Applied a total of 812 rules in 336 ms. Remains 1065 /1562 variables (removed 497) and now considering 1593/2134 (removed 541) transitions.
[2024-05-31 20:53:22] [INFO ] Flow matrix only has 1550 transitions (discarded 43 similar events)
// Phase 1: matrix 1550 rows 1065 cols
[2024-05-31 20:53:22] [INFO ] Computed 24 invariants in 46 ms
[2024-05-31 20:53:22] [INFO ] Implicit Places using invariants in 576 ms returned []
[2024-05-31 20:53:22] [INFO ] Flow matrix only has 1550 transitions (discarded 43 similar events)
[2024-05-31 20:53:22] [INFO ] Invariant cache hit.
[2024-05-31 20:53:24] [INFO ] Implicit Places using invariants and state equation in 1217 ms returned []
Implicit Place search using SMT with State Equation took 1797 ms to find 0 implicit places.
Running 644 sub problems to find dead transitions.
[2024-05-31 20:53:24] [INFO ] Flow matrix only has 1550 transitions (discarded 43 similar events)
[2024-05-31 20:53:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1043 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 644 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1043 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 644 unsolved
At refinement iteration 2 (OVERLAPS) 22/1065 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 644 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1065/2615 variables, and 24 constraints, problems are : Problem set: 0 solved, 644 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1065 constraints, PredecessorRefiner: 644/644 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 644 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1043 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 644 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1043 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 644 unsolved
At refinement iteration 2 (OVERLAPS) 22/1065 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 644 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1065 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 644 unsolved
At refinement iteration 4 (OVERLAPS) 1549/2614 variables, 1065/1089 constraints. Problems are: Problem set: 0 solved, 644 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2614 variables, 644/1733 constraints. Problems are: Problem set: 0 solved, 644 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2614/2615 variables, and 1733 constraints, problems are : Problem set: 0 solved, 644 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1065/1065 constraints, PredecessorRefiner: 644/644 constraints, Known Traps: 0/0 constraints]
After SMT, in 60925ms problems are : Problem set: 0 solved, 644 unsolved
Search for dead transitions found 0 dead transitions in 60931ms
Starting structural reductions in LI_LTL mode, iteration 1 : 1065/1562 places, 1593/2134 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 63066 ms. Remains : 1065/1562 places, 1593/2134 transitions.
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-04
Stuttering criterion allowed to conclude after 28500 steps with 996 reset in 411 ms.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-04 finished in 63677 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-04 FALSE TECHNIQUES LENGTHENING_INSENSITIVE
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((p0||G(p1)||X(G(p2))))))'
Found a Lengthening insensitive property : FlexibleBarrier-PT-22b-LTLFireability-08
Stuttering acceptance computed with spot in 241 ms :[true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Support contains 3 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Graph (trivial) has 1467 edges and 1562 vertex of which 127 / 1562 are part of one of the 21 SCC in 2 ms
Free SCC test removed 106 places
Ensure Unique test removed 107 transitions
Reduce isomorphic transitions removed 107 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 116 transitions
Trivial Post-agglo rules discarded 116 transitions
Performed 116 trivial Post agglomeration. Transition count delta: 116
Iterating post reduction 0 with 116 rules applied. Total rules applied 117 place count 1455 transition count 1910
Reduce places removed 116 places and 0 transitions.
Iterating post reduction 1 with 116 rules applied. Total rules applied 233 place count 1339 transition count 1910
Performed 52 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 52 Pre rules applied. Total rules applied 233 place count 1339 transition count 1858
Deduced a syphon composed of 52 places in 1 ms
Reduce places removed 52 places and 0 transitions.
Iterating global reduction 2 with 104 rules applied. Total rules applied 337 place count 1287 transition count 1858
Discarding 71 places :
Symmetric choice reduction at 2 with 71 rule applications. Total rules 408 place count 1216 transition count 1787
Iterating global reduction 2 with 71 rules applied. Total rules applied 479 place count 1216 transition count 1787
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 487 place count 1216 transition count 1779
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 487 place count 1216 transition count 1778
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 489 place count 1215 transition count 1778
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 501 place count 1203 transition count 1766
Iterating global reduction 3 with 12 rules applied. Total rules applied 513 place count 1203 transition count 1766
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 525 place count 1203 transition count 1754
Performed 134 Post agglomeration using F-continuation condition.Transition count delta: 134
Deduced a syphon composed of 134 places in 0 ms
Reduce places removed 134 places and 0 transitions.
Iterating global reduction 4 with 268 rules applied. Total rules applied 793 place count 1069 transition count 1620
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 795 place count 1067 transition count 1618
Iterating global reduction 4 with 2 rules applied. Total rules applied 797 place count 1067 transition count 1618
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 799 place count 1067 transition count 1616
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 801 place count 1066 transition count 1616
Drop transitions (Redundant composition of simpler transitions.) removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 5 with 23 rules applied. Total rules applied 824 place count 1066 transition count 1593
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 826 place count 1064 transition count 1591
Applied a total of 826 rules in 350 ms. Remains 1064 /1562 variables (removed 498) and now considering 1591/2134 (removed 543) transitions.
[2024-05-31 20:54:26] [INFO ] Flow matrix only has 1550 transitions (discarded 41 similar events)
// Phase 1: matrix 1550 rows 1064 cols
[2024-05-31 20:54:26] [INFO ] Computed 24 invariants in 46 ms
[2024-05-31 20:54:26] [INFO ] Implicit Places using invariants in 529 ms returned []
[2024-05-31 20:54:26] [INFO ] Flow matrix only has 1550 transitions (discarded 41 similar events)
[2024-05-31 20:54:26] [INFO ] Invariant cache hit.
[2024-05-31 20:54:27] [INFO ] Implicit Places using invariants and state equation in 1217 ms returned []
Implicit Place search using SMT with State Equation took 1750 ms to find 0 implicit places.
Running 664 sub problems to find dead transitions.
[2024-05-31 20:54:28] [INFO ] Flow matrix only has 1550 transitions (discarded 41 similar events)
[2024-05-31 20:54:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1042 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 664 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1042 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 664 unsolved
At refinement iteration 2 (OVERLAPS) 22/1064 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 664 unsolved
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(timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1064/2614 variables, and 24 constraints, problems are : Problem set: 0 solved, 664 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1064 constraints, PredecessorRefiner: 664/664 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 664 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1042 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 664 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1042 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 664 unsolved
At refinement iteration 2 (OVERLAPS) 22/1064 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 664 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1064 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 664 unsolved
At refinement iteration 4 (OVERLAPS) 1549/2613 variables, 1064/1088 constraints. Problems are: Problem set: 0 solved, 664 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2613 variables, 664/1752 constraints. Problems are: Problem set: 0 solved, 664 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2613/2614 variables, and 1752 constraints, problems are : Problem set: 0 solved, 664 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1064/1064 constraints, PredecessorRefiner: 664/664 constraints, Known Traps: 0/0 constraints]
After SMT, in 60956ms problems are : Problem set: 0 solved, 664 unsolved
Search for dead transitions found 0 dead transitions in 60964ms
Starting structural reductions in LI_LTL mode, iteration 1 : 1064/1562 places, 1591/2134 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 63067 ms. Remains : 1064/1562 places, 1591/2134 transitions.
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-08
Entered a terminal (fully accepting) state of product in 60311 steps with 2048 reset in 803 ms.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-08 finished in 64241 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-08 FALSE TECHNIQUES LENGTHENING_INSENSITIVE
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)))'
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) U G(p1))||G(F(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' '!(G((p0||X((G(p2)||p1)))))'
Found a Lengthening insensitive property : FlexibleBarrier-PT-22b-LTLFireability-13
Stuttering acceptance computed with spot in 132 ms :[true, (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2)]
Support contains 4 out of 1562 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Graph (trivial) has 1490 edges and 1562 vertex of which 133 / 1562 are part of one of the 22 SCC in 4 ms
Free SCC test removed 111 places
Ensure Unique test removed 112 transitions
Reduce isomorphic transitions removed 112 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 116 transitions
Trivial Post-agglo rules discarded 116 transitions
Performed 116 trivial Post agglomeration. Transition count delta: 116
Iterating post reduction 0 with 116 rules applied. Total rules applied 117 place count 1450 transition count 1905
Reduce places removed 116 places and 0 transitions.
Iterating post reduction 1 with 116 rules applied. Total rules applied 233 place count 1334 transition count 1905
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 51 Pre rules applied. Total rules applied 233 place count 1334 transition count 1854
Deduced a syphon composed of 51 places in 2 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 2 with 102 rules applied. Total rules applied 335 place count 1283 transition count 1854
Discarding 71 places :
Symmetric choice reduction at 2 with 71 rule applications. Total rules 406 place count 1212 transition count 1783
Iterating global reduction 2 with 71 rules applied. Total rules applied 477 place count 1212 transition count 1783
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 484 place count 1212 transition count 1776
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 484 place count 1212 transition count 1775
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 486 place count 1211 transition count 1775
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 497 place count 1200 transition count 1764
Iterating global reduction 3 with 11 rules applied. Total rules applied 508 place count 1200 transition count 1764
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 519 place count 1200 transition count 1753
Performed 133 Post agglomeration using F-continuation condition.Transition count delta: 133
Deduced a syphon composed of 133 places in 0 ms
Reduce places removed 133 places and 0 transitions.
Iterating global reduction 4 with 266 rules applied. Total rules applied 785 place count 1067 transition count 1620
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 787 place count 1065 transition count 1618
Iterating global reduction 4 with 2 rules applied. Total rules applied 789 place count 1065 transition count 1618
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 791 place count 1065 transition count 1616
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 5 with 22 rules applied. Total rules applied 813 place count 1065 transition count 1594
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 815 place count 1063 transition count 1592
Applied a total of 815 rules in 344 ms. Remains 1063 /1562 variables (removed 499) and now considering 1592/2134 (removed 542) transitions.
[2024-05-31 20:55:30] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
// Phase 1: matrix 1549 rows 1063 cols
[2024-05-31 20:55:30] [INFO ] Computed 24 invariants in 45 ms
[2024-05-31 20:55:31] [INFO ] Implicit Places using invariants in 556 ms returned []
[2024-05-31 20:55:31] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:55:31] [INFO ] Invariant cache hit.
[2024-05-31 20:55:32] [INFO ] Implicit Places using invariants and state equation in 1168 ms returned []
Implicit Place search using SMT with State Equation took 1728 ms to find 0 implicit places.
Running 642 sub problems to find dead transitions.
[2024-05-31 20:55:32] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:55:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1041 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1041 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 2 (OVERLAPS) 22/1063 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 642 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1063/2612 variables, and 24 constraints, problems are : Problem set: 0 solved, 642 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1063 constraints, PredecessorRefiner: 642/642 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 642 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1041 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1041 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 2 (OVERLAPS) 22/1063 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1063 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 4 (OVERLAPS) 1548/2611 variables, 1063/1087 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2611 variables, 642/1729 constraints. Problems are: Problem set: 0 solved, 642 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2611/2612 variables, and 1729 constraints, problems are : Problem set: 0 solved, 642 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1063/1063 constraints, PredecessorRefiner: 642/642 constraints, Known Traps: 0/0 constraints]
After SMT, in 60936ms problems are : Problem set: 0 solved, 642 unsolved
Search for dead transitions found 0 dead transitions in 60947ms
Starting structural reductions in LI_LTL mode, iteration 1 : 1063/1562 places, 1592/2134 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 63024 ms. Remains : 1063/1562 places, 1592/2134 transitions.
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-13
Product exploration explored 100000 steps with 3526 reset in 1421 ms.
Product exploration explored 100000 steps with 3520 reset in 1461 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X p1), (X (AND p0 p1)), (X (NOT (AND (NOT p1) p2))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X p1)), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p1) p2))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 124 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 144 ms :[true, (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p2), (AND (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (1430 resets) in 3069 ms. (13 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 4/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 4/4 properties
[2024-05-31 20:56:37] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:56:37] [INFO ] Invariant cache hit.
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, 4 unsolved
Problem apf2 is UNSAT
At refinement iteration 1 (OVERLAPS) 496/500 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/500 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 946/1446 variables, 500/503 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1446 variables, 0/503 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 965/2411 variables, 443/946 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2411 variables, 1/947 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2411 variables, 0/947 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 120/2531 variables, 20/967 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2531 variables, 40/1007 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2531 variables, 0/1007 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 80/2611 variables, 80/1087 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2611 variables, 0/1087 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/2611 variables, 0/1087 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2611/2612 variables, and 1087 constraints, problems are : Problem set: 1 solved, 3 unsolved in 804 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1063/1063 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 496/500 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/500 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 946/1446 variables, 500/503 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1446 variables, 0/503 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 965/2411 variables, 443/946 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2411 variables, 1/947 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2411 variables, 3/950 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2411 variables, 0/950 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 120/2531 variables, 20/970 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2531 variables, 40/1010 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2531 variables, 0/1010 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 80/2611 variables, 80/1090 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2611 variables, 0/1090 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/2611 variables, 0/1090 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2611/2612 variables, and 1090 constraints, problems are : Problem set: 1 solved, 3 unsolved in 917 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1063/1063 constraints, PredecessorRefiner: 3/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 1729ms problems are : Problem set: 1 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 28 steps, including 0 resets, run visited all 3 properties in 2 ms. (steps per millisecond=14 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 2 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X p1), (X (AND p0 p1)), (X (NOT (AND (NOT p1) p2))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X p1)), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p1) p2)))), (G (OR (NOT p2) p1))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND p0 p1))), (F (NOT p1)), (F p2), (F (NOT (OR p2 p1)))]
Knowledge based reduction with 16 factoid took 298 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 102 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 94 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Support contains 4 out of 1063 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1063/1063 places, 1592/1592 transitions.
Applied a total of 0 rules in 29 ms. Remains 1063 /1063 variables (removed 0) and now considering 1592/1592 (removed 0) transitions.
[2024-05-31 20:56:40] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:56:40] [INFO ] Invariant cache hit.
[2024-05-31 20:56:40] [INFO ] Implicit Places using invariants in 522 ms returned []
[2024-05-31 20:56:40] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:56:40] [INFO ] Invariant cache hit.
[2024-05-31 20:56:41] [INFO ] Implicit Places using invariants and state equation in 1178 ms returned []
Implicit Place search using SMT with State Equation took 1706 ms to find 0 implicit places.
Running 642 sub problems to find dead transitions.
[2024-05-31 20:56:41] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:56:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1041 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1041 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 2 (OVERLAPS) 22/1063 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1063 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 642 unsolved
SMT process timed out in 30923ms, After SMT, problems are : Problem set: 0 solved, 642 unsolved
Search for dead transitions found 0 dead transitions in 30932ms
Finished structural reductions in LTL mode , in 1 iterations and 32670 ms. Remains : 1063/1063 places, 1592/1592 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X p1), (X (NOT (AND (NOT p0) p1))), (X p0), (X (AND p0 p1)), (X (X p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (AND p0 p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 91 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 79 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
RANDOM walk for 40000 steps (1428 resets) in 1988 ms. (20 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 2/4 properties
[2024-05-31 20:57:14] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:57:14] [INFO ] Invariant cache hit.
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) 496/500 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/500 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 946/1446 variables, 500/503 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1446 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 965/2411 variables, 443/946 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2411 variables, 1/947 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2411 variables, 0/947 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 120/2531 variables, 20/967 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2531 variables, 40/1007 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2531 variables, 0/1007 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 80/2611 variables, 80/1087 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2611 variables, 0/1087 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/2611 variables, 0/1087 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2611/2612 variables, and 1087 constraints, problems are : Problem set: 0 solved, 2 unsolved in 676 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1063/1063 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) 496/500 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/500 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 946/1446 variables, 500/503 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1446 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 965/2411 variables, 443/946 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2411 variables, 1/947 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2411 variables, 2/949 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2411 variables, 0/949 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 120/2531 variables, 20/969 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2531 variables, 40/1009 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2531 variables, 0/1009 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 80/2611 variables, 80/1089 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2611 variables, 0/1089 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/2611 variables, 0/1089 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2611/2612 variables, and 1089 constraints, problems are : Problem set: 0 solved, 2 unsolved in 809 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1063/1063 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 1493ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 21 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=21 )
Parikh walk visited 2 properties in 1 ms.
Knowledge obtained : [(AND p0 p1), (X p1), (X (NOT (AND (NOT p0) p1))), (X p0), (X (AND p0 p1)), (X (X p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (AND p0 p1)))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (AND p1 p0))), (F (NOT p1)), (F (NOT (OR (NOT p1) p0)))]
Knowledge based reduction with 9 factoid took 236 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 71 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 67 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 94 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Product exploration explored 100000 steps with 3523 reset in 1375 ms.
Product exploration explored 100000 steps with 3527 reset in 1395 ms.
Support contains 4 out of 1063 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1063/1063 places, 1592/1592 transitions.
Applied a total of 0 rules in 23 ms. Remains 1063 /1063 variables (removed 0) and now considering 1592/1592 (removed 0) transitions.
[2024-05-31 20:57:18] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:57:18] [INFO ] Invariant cache hit.
[2024-05-31 20:57:19] [INFO ] Implicit Places using invariants in 569 ms returned []
[2024-05-31 20:57:19] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:57:19] [INFO ] Invariant cache hit.
[2024-05-31 20:57:20] [INFO ] Implicit Places using invariants and state equation in 1098 ms returned []
Implicit Place search using SMT with State Equation took 1669 ms to find 0 implicit places.
Running 642 sub problems to find dead transitions.
[2024-05-31 20:57:20] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-31 20:57:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1041 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1041 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 2 (OVERLAPS) 22/1063 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 642 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1063/2612 variables, and 24 constraints, problems are : Problem set: 0 solved, 642 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1063 constraints, PredecessorRefiner: 642/642 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 642 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1041 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1041 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 2 (OVERLAPS) 22/1063 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1063 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 4 (OVERLAPS) 1548/2611 variables, 1063/1087 constraints. Problems are: Problem set: 0 solved, 642 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2611 variables, 642/1729 constraints. Problems are: Problem set: 0 solved, 642 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2611/2612 variables, and 1729 constraints, problems are : Problem set: 0 solved, 642 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1063/1063 constraints, PredecessorRefiner: 642/642 constraints, Known Traps: 0/0 constraints]
After SMT, in 60821ms problems are : Problem set: 0 solved, 642 unsolved
Search for dead transitions found 0 dead transitions in 60847ms
Finished structural reductions in LTL mode , in 1 iterations and 62543 ms. Remains : 1063/1063 places, 1592/1592 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-13 finished in 171551 ms.
[2024-05-31 20:58:21] [INFO ] Flatten gal took : 71 ms
[2024-05-31 20:58:21] [INFO ] Export to MCC of 6 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2024-05-31 20:58:21] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1562 places, 2134 transitions and 6451 arcs took 12 ms.
Total runtime 2250315 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