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.r179-tall-171640600900156.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is FlexibleBarrier-PT-22b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r179-tall-171640600900156
=====================================================================

--------------------
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 1716429658186

Invoking MCC driver with
BK_TOOL=greatspnxred
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 greatspn
Invoking reducer
Running Version 202405141337
[2024-05-23 02:00:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-23 02:00:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 02:00:59] [INFO ] Load time of PNML (sax parser for PT used): 252 ms
[2024-05-23 02:00:59] [INFO ] Transformed 6478 places.
[2024-05-23 02:00:59] [INFO ] Transformed 7469 transitions.
[2024-05-23 02:00:59] [INFO ] Found NUPN structural information;
[2024-05-23 02:00:59] [INFO ] Parsed PT model containing 6478 places and 7469 transitions and 18797 arcs in 422 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 1386 ms. Remains 1562 /6478 variables (removed 4916) and now considering 2134/7469 (removed 5335) transitions.
// Phase 1: matrix 2134 rows 1562 cols
[2024-05-23 02:01:01] [INFO ] Computed 24 invariants in 89 ms
[2024-05-23 02:01:02] [INFO ] Implicit Places using invariants in 1080 ms returned []
[2024-05-23 02:01:02] [INFO ] Invariant cache hit.
[2024-05-23 02:01:04] [INFO ] Implicit Places using invariants and state equation in 1818 ms returned []
Implicit Place search using SMT with State Equation took 2936 ms to find 0 implicit places.
Running 2133 sub problems to find dead transitions.
[2024-05-23 02:01:04] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
(s2 1.0)
(s3 1.0)
(s4 1.0)
(s5 1.0)
(s6 1.0)
(s7 1.0)
(s8 1.0)
(s9 1.0)
(s10 1.0)
(s11 1.0)
(s12 1.0)
(s13 1.0)
(s14 1.0)
(s15 1.0)
(s16 1.0)
(s17 1.0)
(s18 1.0)
(s19 1.0)
(s20 1.0)
(s21 1.0)
(s22 1.0)
(s23 1.0)
(s24 1.0)
(s25 1.0)
(s26 1.0)
(s27 1.0)
(s28 1.0)
(s29 1.0)
(s30 1.0)
(s31 1.0)
(s32 1.0)
(s33 1.0)
(s34 1.0)
(s35 1.0)
(s36 1.0)
(s37 1.0)
(s38 1.0)
(s39 1.0)
(s40 1.0)
(s41 1.0)
(s42 1.0)
(s43 1.0)
(s44 1.0)
(s45 1.0)
(s46 1.0)
(s47 1.0)
(s48 1.0)
(s49 1.0)
(s50 1.0)
(s51 1.0)
(s52 1.0)
(s53 1.0)
(s54 1.0)
(s55 1.0)
(s56 1.0)
(s57 1.0)
(s58 1.0)
(s59 1.0)
(s60 1.0)
(s61 1.0)
(s62 1.0)
(s63 1.0)
(s64 1.0)
(s65 1.0)
(s66 1.0)
(s67 1.0)
(s68 1.0)
(s69 1.0)
(s70 1.0)
(s71 1.0)
(s72 1.0)
(s73 1.0)
(s74 1.0)
(s75 1.0)
(s76 1.0)
(s77 1.0)
(s78 1.0)
(s79 1.0)
(s80 1.0)
(s81 1.0)
(s82 1.0)
(s83 1.0)
(s84 1.0)
(s85 1.0)
(s86 1.0)
(s87 1.0)
(s88 1.0)
(s89 1.0)
(s90 1.0)
(s91 1.0)
(s92 1.0)
(s93 1.0)
(s94 1.0)
(s95 1.0)
(s96 1.0)
(s97 1.0)
(s98 1.0)
(s99 1.0)
(s100 1.0)
(s101 1.0)
(s102 1.0)
(s103 1.0)
(s104 1.0)
(s105 1.0)
(s106 1.0)
(s107 1.0)
(s108 1.0)
(s109 1.0)
(s110 1.0)
(s111 1.0)
(s112 1.0)
(s113 1.0)
(s114 1.0)
(s115 1.0)
(s116 1.0)
(s117 1.0)
(s118 1.0)
(s119 1.0)
(s120 1.0)
(s121 1.0)
(s122 1.0)
(s123 1.0)
(s124 1.0)
(s125 1.0)
(s126 1.0)
(s127 1.0)
(s128 1.0)
(s129 1.0)
(s130 1.0)
(s131 1.0)
(s132 1.0)
(s133 1.0)
(s134 1.0)
(s135 1.0)
(s136 1.0)
(s137 1.0)
(s138 1.0)
(s139 1.0)
(s140 1.0)
(s141 1.0)
(s142 1.0)
(s143 1.0)
(s144 1.0)
(s145 1.0)
(s146 1.0)
(s147 1.0)
(s148 1.0)
(s149 1.0)
(s150 1.0)
(s151 1.0)
(s152 1.0)
(s153 1.0)
(s154 1.0)
(s155 1.0)
(s156 1.0)
(s157 1.0)
(s158 1.0)
(s159 1.0)
(s160 1.0)
(s161 1.0)
(s162 1.0)
(s163 1.0)
(s164 1.0)
(s165 1.0)
(s166 1.0)
(s167 1.0)
(s168 1.0)
(s169 1.0)
(s170 1.0)
(s171 1.0)
(s172 1.0)
(s173 1.0)
(s174 1.0)
(s175 1.0)
(s176 1.0)
(s177 1.0)
(s178 1.0)
(s179 1.0)
(s180 1.0)
(s181 1.0)
(s182 1.0)
(s183 1.0)
(s184 1.0)
(s185 1.0)
(s186 1.0)
(s187 1.0)
(s188 1.0)
(s189 1.0)
(s190 1.0)
(s191 1.0)
(s192 1.0)
(s193 1.0)
(s194 1.0)
(s195 1.0)
(s196 1.0)
(s197 1.0)
(s198 1.0)
(s199 1.0)
(s200 1.0)
(s201 1.0)
(s202 1.0)
(s203 1.0)
(s204 1.0)
(s205 1.0)
(s206 1.0)
(s207 1.0)
(s208 1.0)
(s209 1.0)
(s210 1.0)
(s211 1.0)
(s212 1.0)
(s213 1.0)
(s214 1.0)
(s215 1.0)
(s216 1.0)
(s217 1.0)
(s218 1.0)
(s219 1.0)
(s220 1.0)
(s221 1.0)
(s222 1.0)
(s223 1.0)
(s224 1.0)
(s225 1.0)
(s226 1.0)
(s227 1.0)
(s228 1.0)
(s229 1.0)
(s230 1.0)
(s231 1.0)
(s232 1.0)
(s233 1.0)
(s234 1.0)
(s235 1.0)
(s236 1.0)
(s237 1.0)
(s238 1.0)
(s239 1.0)
(s240 1.0)
(s241 1.0)
(s242 1.0)
(s243 1.0)
(s244 1.0)
(s245 1.0)
(s246 1.0)
(s247 1.0)
(s248 1.0)
(s249 1.0)
(s250 1.0)
(s251 1.0)
(s252 1.0)
(s253 1.0)
(s254 1.0)
(s255 1.0)
(s256 1.0)
(s257 1.0)
(s258 1.0)
(s259 1.0)
(s260 1.0)
(s261 1.0)
(s262 1.0)
(s263 1.0)
(s264 1.0)
(s265 1.0)
(s266 1.0)
(s267 1.0)
(s268 1.0)
(s269 1.0)
(s270 1.0)
(s271 1.0)
(s272 1.0)
(s273 1.0)
(s274 1.0)
(s275 1.0)
(s276 1.0)
(s277 1.0)
(s278 1.0)
(s279 1.0)
(s280 1.0)
(s281 1.0)
(s282 1.0)
(s283 1.0)
(s284 1.0)
(s285 1.0)
(s286 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 1561/3696 variables, and 0 constraints, problems are : Problem set: 0 solved, 2133 unsolved in 30060 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
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 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 64219ms problems are : Problem set: 0 solved, 2133 unsolved
Search for dead transitions found 0 dead transitions in 64262ms
Starting structural reductions in LTL mode, iteration 1 : 1562/6478 places, 2134/7469 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 68623 ms. Remains : 1562/6478 places, 2134/7469 transitions.
Support contains 51 out of 1562 places after structural reductions.
[2024-05-23 02:02:08] [INFO ] Flatten gal took : 146 ms
[2024-05-23 02:02:09] [INFO ] Flatten gal took : 90 ms
[2024-05-23 02:02:09] [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 2607 ms. (15 steps per ms) remains 28/36 properties
BEST_FIRST walk for 4004 steps (5 resets) in 28 ms. (138 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (7 resets) in 36 ms. (108 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (7 resets) in 14 ms. (266 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (5 resets) in 16 ms. (235 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (5 resets) in 16 ms. (235 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (6 resets) in 19 ms. (200 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (7 resets) in 15 ms. (250 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (6 resets) in 14 ms. (266 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (7 resets) in 17 ms. (222 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (6 resets) in 10 ms. (364 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (7 resets) in 28 ms. (138 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (6 resets) in 9 ms. (400 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (7 resets) in 11 ms. (333 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (6 resets) in 10 ms. (363 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (7 resets) in 9 ms. (400 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (7 resets) in 10 ms. (364 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (5 resets) in 9 ms. (400 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (7 resets) in 9 ms. (400 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (6 resets) in 10 ms. (364 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (7 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (5 resets) in 6 ms. (572 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (7 resets) in 8 ms. (444 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (6 resets) in 10 ms. (364 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (7 resets) in 12 ms. (308 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (7 resets) in 10 ms. (364 steps per ms) remains 28/28 properties
[2024-05-23 02:02:10] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (OVERLAPS) 1231/1272 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1272 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 290/1562 variables, 7/24 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1562 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (OVERLAPS) 2134/3696 variables, 1562/1586 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3696 variables, 0/1586 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (OVERLAPS) 0/3696 variables, 0/1586 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3696/3696 variables, and 1586 constraints, problems are : Problem set: 0 solved, 28 unsolved in 4129 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 1562/1562 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (OVERLAPS) 1231/1272 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 28 unsolved
[2024-05-23 02:02:15] [INFO ] Deduced a trap composed of 504 places in 465 ms of which 58 ms to minimize.
[2024-05-23 02:02:15] [INFO ] Deduced a trap composed of 508 places in 442 ms of which 7 ms to minimize.
[2024-05-23 02:02:16] [INFO ] Deduced a trap composed of 505 places in 393 ms of which 7 ms to minimize.
[2024-05-23 02:02:16] [INFO ] Deduced a trap composed of 509 places in 353 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/1272 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1272 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 290/1562 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 28 unsolved
[2024-05-23 02:02:18] [INFO ] Deduced a trap composed of 59 places in 163 ms of which 3 ms to minimize.
[2024-05-23 02:02:18] [INFO ] Deduced a trap composed of 56 places in 128 ms of which 3 ms to minimize.
[2024-05-23 02:02:18] [INFO ] Deduced a trap composed of 45 places in 552 ms of which 9 ms to minimize.
[2024-05-23 02:02:19] [INFO ] Deduced a trap composed of 509 places in 470 ms of which 7 ms to minimize.
SMT process timed out in 9443ms, After SMT, problems are : Problem set: 0 solved, 28 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 41 out of 1562 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1562/1562 places, 2134/2134 transitions.
Graph (trivial) has 1421 edges and 1562 vertex of which 127 / 1562 are part of one of the 21 SCC in 8 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 103 transitions
Trivial Post-agglo rules discarded 103 transitions
Performed 103 trivial Post agglomeration. Transition count delta: 103
Iterating post reduction 0 with 103 rules applied. Total rules applied 104 place count 1456 transition count 1903
Reduce places removed 103 places and 0 transitions.
Iterating post reduction 1 with 103 rules applied. Total rules applied 207 place count 1353 transition count 1903
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 49 Pre rules applied. Total rules applied 207 place count 1353 transition count 1854
Deduced a syphon composed of 49 places in 2 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 2 with 98 rules applied. Total rules applied 305 place count 1304 transition count 1854
Discarding 44 places :
Symmetric choice reduction at 2 with 44 rule applications. Total rules 349 place count 1260 transition count 1810
Iterating global reduction 2 with 44 rules applied. Total rules applied 393 place count 1260 transition count 1810
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 394 place count 1260 transition count 1809
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 399 place count 1255 transition count 1804
Iterating global reduction 3 with 5 rules applied. Total rules applied 404 place count 1255 transition count 1804
Performed 140 Post agglomeration using F-continuation condition.Transition count delta: 140
Deduced a syphon composed of 140 places in 0 ms
Reduce places removed 140 places and 0 transitions.
Iterating global reduction 3 with 280 rules applied. Total rules applied 684 place count 1115 transition count 1664
Drop transitions (Empty/Sink Transition effects.) removed 43 transitions
Reduce isomorphic transitions removed 43 transitions.
Iterating post reduction 3 with 43 rules applied. Total rules applied 727 place count 1115 transition count 1621
Discarding 23 places :
Symmetric choice reduction at 4 with 23 rule applications. Total rules 750 place count 1092 transition count 1598
Iterating global reduction 4 with 23 rules applied. Total rules applied 773 place count 1092 transition count 1598
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 774 place count 1092 transition count 1597
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 776 place count 1091 transition count 1597
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 778 place count 1091 transition count 1595
Free-agglomeration rule applied 904 times.
Iterating global reduction 5 with 904 rules applied. Total rules applied 1682 place count 1091 transition count 691
Reduce places removed 904 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 279 transitions
Reduce isomorphic transitions removed 279 transitions.
Iterating post reduction 5 with 1183 rules applied. Total rules applied 2865 place count 187 transition count 412
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 6 with 21 rules applied. Total rules applied 2886 place count 187 transition count 391
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 2887 place count 187 transition count 391
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 2888 place count 186 transition count 390
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 110 edges and 185 vertex of which 40 / 185 are part of one of the 20 SCC in 1 ms
Free SCC test removed 20 places
Iterating post reduction 6 with 2 rules applied. Total rules applied 2890 place count 165 transition count 390
Drop transitions (Empty/Sink Transition effects.) removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 7 with 40 rules applied. Total rules applied 2930 place count 165 transition count 350
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 23 Pre rules applied. Total rules applied 2930 place count 165 transition count 327
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 8 with 46 rules applied. Total rules applied 2976 place count 142 transition count 327
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 8 with 22 rules applied. Total rules applied 2998 place count 142 transition count 305
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 0 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 9 with 48 rules applied. Total rules applied 3046 place count 118 transition count 281
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 3047 place count 118 transition count 280
Free-agglomeration rule applied 21 times.
Iterating global reduction 10 with 21 rules applied. Total rules applied 3068 place count 118 transition count 259
Reduce places removed 27 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 47 transitions.
Iterating post reduction 10 with 74 rules applied. Total rules applied 3142 place count 91 transition count 212
Discarding 5 places :
Symmetric choice reduction at 11 with 5 rule applications. Total rules 3147 place count 86 transition count 207
Iterating global reduction 11 with 5 rules applied. Total rules applied 3152 place count 86 transition count 207
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 11 with 5 rules applied. Total rules applied 3157 place count 86 transition count 202
Drop transitions (Redundant composition of simpler transitions.) removed 79 transitions
Redundant transition composition rules discarded 79 transitions
Iterating global reduction 12 with 79 rules applied. Total rules applied 3236 place count 86 transition count 123
Free-agglomeration rule applied 2 times.
Iterating global reduction 12 with 2 rules applied. Total rules applied 3238 place count 86 transition count 121
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 3240 place count 84 transition count 121
Applied a total of 3240 rules in 1418 ms. Remains 84 /1562 variables (removed 1478) and now considering 121/2134 (removed 2013) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1419 ms. Remains : 84/1562 places, 121/2134 transitions.
RANDOM walk for 40000 steps (8 resets) in 481 ms. (82 steps per ms) remains 4/28 properties
BEST_FIRST walk for 40000 steps (8 resets) in 119 ms. (333 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 72 ms. (547 steps per ms) remains 1/2 properties
BEST_FIRST walk for 643 steps (0 resets) in 6 ms. (91 steps per ms) remains 0/1 properties
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 182 ms. Remains 1510 /1562 variables (removed 52) and now considering 2062/2134 (removed 72) transitions.
// Phase 1: matrix 2062 rows 1510 cols
[2024-05-23 02:02:22] [INFO ] Computed 24 invariants in 59 ms
[2024-05-23 02:02:22] [INFO ] Implicit Places using invariants in 662 ms returned []
[2024-05-23 02:02:22] [INFO ] Invariant cache hit.
[2024-05-23 02:02:24] [INFO ] Implicit Places using invariants and state equation in 1802 ms returned []
Implicit Place search using SMT with State Equation took 2469 ms to find 0 implicit places.
Running 2061 sub problems to find dead transitions.
[2024-05-23 02:02:24] [INFO ] Invariant cache hit.
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 30052 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
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 30036 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 64252ms problems are : Problem set: 0 solved, 2061 unsolved
Search for dead transitions found 0 dead transitions in 64270ms
Starting structural reductions in LTL mode, iteration 1 : 1510/1562 places, 2062/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66927 ms. Remains : 1510/1562 places, 2062/2134 transitions.
Stuttering acceptance computed with spot in 244 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 488 ms.
Product exploration explored 100000 steps with 50000 reset in 475 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 20 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 68266 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 236 ms. Remains 1506 /1562 variables (removed 56) and now considering 2057/2134 (removed 77) transitions.
// Phase 1: matrix 2057 rows 1506 cols
[2024-05-23 02:03:30] [INFO ] Computed 24 invariants in 43 ms
[2024-05-23 02:03:30] [INFO ] Implicit Places using invariants in 606 ms returned []
[2024-05-23 02:03:30] [INFO ] Invariant cache hit.
[2024-05-23 02:03:32] [INFO ] Implicit Places using invariants and state equation in 1739 ms returned []
Implicit Place search using SMT with State Equation took 2350 ms to find 0 implicit places.
Running 2056 sub problems to find dead transitions.
[2024-05-23 02:03:32] [INFO ] Invariant cache hit.
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 30035 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
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(s1315 1) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
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 30037 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 64021ms problems are : Problem set: 0 solved, 2056 unsolved
Search for dead transitions found 0 dead transitions in 64045ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1562 places, 2057/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66636 ms. Remains : 1506/1562 places, 2057/2134 transitions.
Stuttering acceptance computed with spot in 226 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 1 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-02 finished in 66891 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 222 ms. Remains 1510 /1562 variables (removed 52) and now considering 2061/2134 (removed 73) transitions.
// Phase 1: matrix 2061 rows 1510 cols
[2024-05-23 02:04:37] [INFO ] Computed 24 invariants in 46 ms
[2024-05-23 02:04:37] [INFO ] Implicit Places using invariants in 705 ms returned []
[2024-05-23 02:04:37] [INFO ] Invariant cache hit.
[2024-05-23 02:04:39] [INFO ] Implicit Places using invariants and state equation in 1692 ms returned []
Implicit Place search using SMT with State Equation took 2406 ms to find 0 implicit places.
Running 2060 sub problems to find dead transitions.
[2024-05-23 02:04:39] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
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 30033 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
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 30038 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 63914ms problems are : Problem set: 0 solved, 2060 unsolved
Search for dead transitions found 0 dead transitions in 63933ms
Starting structural reductions in LTL mode, iteration 1 : 1510/1562 places, 2061/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66571 ms. Remains : 1510/1562 places, 2061/2134 transitions.
Stuttering acceptance computed with spot in 247 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 672 reset in 371 ms.
Product exploration explored 100000 steps with 674 reset in 440 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 89 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 127 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
RANDOM walk for 40000 steps (269 resets) in 499 ms. (80 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (21 resets) in 135 ms. (294 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (21 resets) in 87 ms. (454 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (20 resets) in 69 ms. (571 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 247918 steps, run timeout after 3001 ms. (steps per millisecond=82 ) properties seen :0 out of 3
Probabilistic random walk after 247918 steps, saw 104947 distinct states, run finished after 3004 ms. (steps per millisecond=82 ) properties seen :0
[2024-05-23 02:05:48] [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 1371 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
[2024-05-23 02:05:50] [INFO ] Deduced a trap composed of 489 places in 481 ms of which 7 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 1699 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 3080ms problems are : Problem set: 0 solved, 3 unsolved
Finished Parikh walk after 159 steps, including 0 resets, run visited all 3 properties in 6 ms. (steps per millisecond=26 )
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 15 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 146 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 132 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
Stuttering acceptance computed with spot in 162 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 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 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 999 ms. Remains 1064 /1510 variables (removed 446) and now considering 1592/2061 (removed 469) transitions.
[2024-05-23 02:05:52] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
// Phase 1: matrix 1549 rows 1064 cols
[2024-05-23 02:05:52] [INFO ] Computed 24 invariants in 46 ms
[2024-05-23 02:05:53] [INFO ] Implicit Places using invariants in 573 ms returned []
[2024-05-23 02:05:53] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:05:53] [INFO ] Invariant cache hit.
[2024-05-23 02:05:54] [INFO ] Implicit Places using invariants and state equation in 1105 ms returned []
Implicit Place search using SMT with State Equation took 1685 ms to find 0 implicit places.
[2024-05-23 02:05:54] [INFO ] Redundant transitions in 73 ms returned []
Running 643 sub problems to find dead transitions.
[2024-05-23 02:05:54] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:05:54] [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
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0.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/1064 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 643 unsolved
SMT process timed out in 30965ms, After SMT, problems are : Problem set: 0 solved, 643 unsolved
Search for dead transitions found 0 dead transitions in 30971ms
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 33738 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 92 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 189 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
RANDOM walk for 40000 steps (1427 resets) in 1885 ms. (21 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 238738 steps, run timeout after 3001 ms. (steps per millisecond=79 ) properties seen :0 out of 3
Probabilistic random walk after 238738 steps, saw 98258 distinct states, run finished after 3001 ms. (steps per millisecond=79 ) properties seen :0
[2024-05-23 02:06:29] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:06:29] [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 1225 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 917 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 2154ms problems are : Problem set: 0 solved, 3 unsolved
Finished Parikh walk after 40 steps, including 1 resets, run visited all 3 properties in 2 ms. (steps per millisecond=20 )
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 10 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 160 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 154 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p0, (OR (NOT p1) p0)]
Product exploration explored 100000 steps with 3503 reset in 1337 ms.
Product exploration explored 100000 steps with 3511 reset in 1340 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 111 ms. Remains 1064 /1064 variables (removed 0) and now considering 1592/1592 (removed 0) transitions.
[2024-05-23 02:06:35] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:06:35] [INFO ] Invariant cache hit.
[2024-05-23 02:06:35] [INFO ] Implicit Places using invariants in 535 ms returned []
[2024-05-23 02:06:35] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:06:35] [INFO ] Invariant cache hit.
[2024-05-23 02:06:37] [INFO ] Implicit Places using invariants and state equation in 1194 ms returned []
Implicit Place search using SMT with State Equation took 1731 ms to find 0 implicit places.
[2024-05-23 02:06:37] [INFO ] Redundant transitions in 85 ms returned []
Running 643 sub problems to find dead transitions.
[2024-05-23 02:06:37] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:06:37] [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
At refinement iteration 3 (INCLUDED_ONLY) 0/1064 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 643 unsolved
SMT process timed out in 30970ms, After SMT, problems are : Problem set: 0 solved, 643 unsolved
Search for dead transitions found 0 dead transitions in 30983ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 32919 ms. Remains : 1064/1064 places, 1592/1592 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-03 finished in 151358 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 198 ms. Remains 1509 /1562 variables (removed 53) and now considering 2060/2134 (removed 74) transitions.
// Phase 1: matrix 2060 rows 1509 cols
[2024-05-23 02:07:08] [INFO ] Computed 24 invariants in 45 ms
[2024-05-23 02:07:09] [INFO ] Implicit Places using invariants in 660 ms returned []
[2024-05-23 02:07:09] [INFO ] Invariant cache hit.
[2024-05-23 02:07:10] [INFO ] Implicit Places using invariants and state equation in 1862 ms returned []
Implicit Place search using SMT with State Equation took 2527 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-23 02:07:11] [INFO ] Invariant cache hit.
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(s1379 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 1508/3569 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30040 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 30031 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 64186ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 64206ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1562 places, 2060/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66936 ms. Remains : 1509/1562 places, 2060/2134 transitions.
Stuttering acceptance computed with spot in 86 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-04
Product exploration explored 100000 steps with 671 reset in 351 ms.
Product exploration explored 100000 steps with 675 reset in 386 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 88 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (268 resets) in 284 ms. (140 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (19 resets) in 144 ms. (275 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 40004 steps (20 resets) in 117 ms. (339 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (22 resets) in 75 ms. (526 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (20 resets) in 81 ms. (487 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (20 resets) in 35 ms. (1111 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 205137 steps, run timeout after 3001 ms. (steps per millisecond=68 ) properties seen :3 out of 6
Probabilistic random walk after 205137 steps, saw 94232 distinct states, run finished after 3002 ms. (steps per millisecond=68 ) properties seen :3
[2024-05-23 02:08:19] [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 1099 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
[2024-05-23 02:08:21] [INFO ] Deduced a trap composed of 186 places in 142 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 1383 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 2492ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 739 steps, including 3 resets, run visited all 3 properties in 17 ms. (steps per millisecond=43 )
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 18 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 348 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 87 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 91 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
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 41 ms. Remains 1509 /1509 variables (removed 0) and now considering 2060/2060 (removed 0) transitions.
[2024-05-23 02:08:22] [INFO ] Invariant cache hit.
[2024-05-23 02:08:23] [INFO ] Implicit Places using invariants in 605 ms returned []
[2024-05-23 02:08:23] [INFO ] Invariant cache hit.
[2024-05-23 02:08:25] [INFO ] Implicit Places using invariants and state equation in 1777 ms returned []
Implicit Place search using SMT with State Equation took 2385 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-23 02:08:25] [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 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 30034 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 63888ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 63910ms
Finished structural reductions in LTL mode , in 1 iterations and 66344 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 110 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 75 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (268 resets) in 425 ms. (93 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40004 steps (20 resets) in 56 ms. (701 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (21 resets) in 46 ms. (851 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (21 resets) in 55 ms. (714 steps per ms) remains 3/3 properties
[2024-05-23 02:09:29] [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 1177 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
[2024-05-23 02:09:31] [INFO ] Deduced a trap composed of 186 places in 109 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 1309 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 2507ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 3992 steps, including 21 resets, run visited all 3 properties in 64 ms. (steps per millisecond=62 )
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 66 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 294 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 90 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 89 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 89 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 672 reset in 281 ms.
Product exploration explored 100000 steps with 671 reset in 293 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 44 ms. Remains 1509 /1509 variables (removed 0) and now considering 2060/2060 (removed 0) transitions.
[2024-05-23 02:09:33] [INFO ] Invariant cache hit.
[2024-05-23 02:09:34] [INFO ] Implicit Places using invariants in 567 ms returned []
[2024-05-23 02:09:34] [INFO ] Invariant cache hit.
[2024-05-23 02:09:35] [INFO ] Implicit Places using invariants and state equation in 1812 ms returned []
Implicit Place search using SMT with State Equation took 2390 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-23 02:09:35] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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(s1126 timeout
1.0)
(s1127 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 30038 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 63883ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 63903ms
Finished structural reductions in LTL mode , in 1 iterations and 66343 ms. Remains : 1509/1509 places, 2060/2060 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-04 finished in 211634 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 179 ms. Remains 1507 /1562 variables (removed 55) and now considering 2058/2134 (removed 76) transitions.
// Phase 1: matrix 2058 rows 1507 cols
[2024-05-23 02:10:40] [INFO ] Computed 24 invariants in 42 ms
[2024-05-23 02:10:40] [INFO ] Implicit Places using invariants in 613 ms returned []
[2024-05-23 02:10:40] [INFO ] Invariant cache hit.
[2024-05-23 02:10:42] [INFO ] Implicit Places using invariants and state equation in 1693 ms returned []
Implicit Place search using SMT with State Equation took 2309 ms to find 0 implicit places.
Running 2057 sub problems to find dead transitions.
[2024-05-23 02:10:42] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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(s1476 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
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 30044 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
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 1506/3565 variables, and 0 constraints, problems are : Problem set: 0 solved, 2057 unsolved in 30031 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 64016ms problems are : Problem set: 0 solved, 2057 unsolved
Search for dead transitions found 0 dead transitions in 64038ms
Starting structural reductions in LTL mode, iteration 1 : 1507/1562 places, 2058/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66533 ms. Remains : 1507/1562 places, 2058/2134 transitions.
Stuttering acceptance computed with spot in 176 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 141 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-05 finished in 66736 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 183 ms. Remains 1512 /1562 variables (removed 50) and now considering 2063/2134 (removed 71) transitions.
// Phase 1: matrix 2063 rows 1512 cols
[2024-05-23 02:11:46] [INFO ] Computed 24 invariants in 44 ms
[2024-05-23 02:11:47] [INFO ] Implicit Places using invariants in 647 ms returned []
[2024-05-23 02:11:47] [INFO ] Invariant cache hit.
[2024-05-23 02:11:49] [INFO ] Implicit Places using invariants and state equation in 1647 ms returned []
Implicit Place search using SMT with State Equation took 2306 ms to find 0 implicit places.
Running 2062 sub problems to find dead transitions.
[2024-05-23 02:11:49] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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(s417 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 1511/3575 variables, and 0 constraints, problems are : Problem set: 0 solved, 2062 unsolved in 30036 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
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 30046 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 64347ms problems are : Problem set: 0 solved, 2062 unsolved
Search for dead transitions found 0 dead transitions in 64414ms
Starting structural reductions in LTL mode, iteration 1 : 1512/1562 places, 2063/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66907 ms. Remains : 1512/1562 places, 2063/2134 transitions.
Stuttering acceptance computed with spot in 1255 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 3 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 68204 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 170 ms. Remains 1505 /1562 variables (removed 57) and now considering 2055/2134 (removed 79) transitions.
// Phase 1: matrix 2055 rows 1505 cols
[2024-05-23 02:12:55] [INFO ] Computed 24 invariants in 43 ms
[2024-05-23 02:12:55] [INFO ] Implicit Places using invariants in 678 ms returned []
[2024-05-23 02:12:55] [INFO ] Invariant cache hit.
[2024-05-23 02:12:57] [INFO ] Implicit Places using invariants and state equation in 1838 ms returned []
Implicit Place search using SMT with State Equation took 2520 ms to find 0 implicit places.
Running 2054 sub problems to find dead transitions.
[2024-05-23 02:12:57] [INFO ] Invariant cache hit.
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 30033 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 30031 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 64025ms problems are : Problem set: 0 solved, 2054 unsolved
Search for dead transitions found 0 dead transitions in 64044ms
Starting structural reductions in LTL mode, iteration 1 : 1505/1562 places, 2055/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66739 ms. Remains : 1505/1562 places, 2055/2134 transitions.
Stuttering acceptance computed with spot in 219 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 674 reset in 330 ms.
Product exploration explored 100000 steps with 672 reset in 335 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 219 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 555 ms. (71 steps per ms) remains 2/9 properties
BEST_FIRST walk for 40004 steps (20 resets) in 40 ms. (975 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (13 resets) in 29 ms. (1333 steps per ms) remains 2/2 properties
[2024-05-23 02:14:03] [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 718 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
[2024-05-23 02:14:04] [INFO ] Deduced a trap composed of 52 places in 292 ms of which 5 ms to minimize.
[2024-05-23 02:14:04] [INFO ] Deduced a trap composed of 47 places in 258 ms of which 6 ms to minimize.
[2024-05-23 02:14:04] [INFO ] Deduced a trap composed of 51 places in 228 ms of which 4 ms to minimize.
[2024-05-23 02:14:05] [INFO ] Deduced a trap composed of 46 places in 204 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 2034 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 2763ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 383 steps, including 1 resets, run visited all 2 properties in 5 ms. (steps per millisecond=76 )
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 421 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 217 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 187 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 47 ms. Remains 1505 /1505 variables (removed 0) and now considering 2055/2055 (removed 0) transitions.
[2024-05-23 02:14:06] [INFO ] Invariant cache hit.
[2024-05-23 02:14:07] [INFO ] Implicit Places using invariants in 608 ms returned []
[2024-05-23 02:14:07] [INFO ] Invariant cache hit.
[2024-05-23 02:14:09] [INFO ] Implicit Places using invariants and state equation in 1791 ms returned []
Implicit Place search using SMT with State Equation took 2401 ms to find 0 implicit places.
Running 2054 sub problems to find dead transitions.
[2024-05-23 02:14:09] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1504/3560 variables, and 0 constraints, problems are : Problem set: 0 solved, 2054 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1505 constraints, PredecessorRefiner: 2054/2054 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2054 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1)
(s2 1)
(s3 1)
(s4 1)
(s5 1)
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(s1261 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
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 30036 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 64424ms problems are : Problem set: 0 solved, 2054 unsolved
Search for dead transitions found 0 dead transitions in 64439ms
Finished structural reductions in LTL mode , in 1 iterations and 66891 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 137 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 199 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 (267 resets) in 527 ms. (75 steps per ms) remains 4/9 properties
BEST_FIRST walk for 40004 steps (19 resets) in 44 ms. (888 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (20 resets) in 61 ms. (645 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (19 resets) in 72 ms. (547 steps per ms) remains 2/4 properties
[2024-05-23 02:15:14] [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 757 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
[2024-05-23 02:15:15] [INFO ] Deduced a trap composed of 52 places in 243 ms of which 5 ms to minimize.
[2024-05-23 02:15:15] [INFO ] Deduced a trap composed of 47 places in 247 ms of which 5 ms to minimize.
[2024-05-23 02:15:16] [INFO ] Deduced a trap composed of 51 places in 228 ms of which 5 ms to minimize.
[2024-05-23 02:15:16] [INFO ] Deduced a trap composed of 46 places in 204 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 1967 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 2733ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 191 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=63 )
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 4 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 454 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 225 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 237 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 208 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 673 reset in 353 ms.
Product exploration explored 100000 steps with 675 reset in 382 ms.
Applying partial POR strategy [true, true, true, true, false, false]
Stuttering acceptance computed with spot in 185 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 1 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 0 ms
Applied a total of 648 rules in 890 ms. Remains 1244 /1505 variables (removed 261) and now considering 1837/2055 (removed 218) transitions.
[2024-05-23 02:15:20] [INFO ] Redundant transitions in 36 ms returned []
Running 1836 sub problems to find dead transitions.
[2024-05-23 02:15:20] [INFO ] Flow matrix only has 1796 transitions (discarded 41 similar events)
// Phase 1: matrix 1796 rows 1244 cols
[2024-05-23 02:15:20] [INFO ] Computed 24 invariants in 49 ms
[2024-05-23 02:15:20] [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 30029 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
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 30034 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 67485ms problems are : Problem set: 0 solved, 1836 unsolved
Search for dead transitions found 0 dead transitions in 67500ms
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 68441 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 51 ms. Remains 1505 /1505 variables (removed 0) and now considering 2055/2055 (removed 0) transitions.
// Phase 1: matrix 2055 rows 1505 cols
[2024-05-23 02:16:27] [INFO ] Computed 24 invariants in 42 ms
[2024-05-23 02:16:28] [INFO ] Implicit Places using invariants in 651 ms returned []
[2024-05-23 02:16:28] [INFO ] Invariant cache hit.
[2024-05-23 02:16:30] [INFO ] Implicit Places using invariants and state equation in 1863 ms returned []
Implicit Place search using SMT with State Equation took 2517 ms to find 0 implicit places.
Running 2054 sub problems to find dead transitions.
[2024-05-23 02:16:30] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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(s120 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 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 30043 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 64048ms problems are : Problem set: 0 solved, 2054 unsolved
Search for dead transitions found 0 dead transitions in 64067ms
Finished structural reductions in LTL mode , in 1 iterations and 66641 ms. Remains : 1505/1505 places, 2055/2055 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-08 finished in 279598 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 201 ms. Remains 1508 /1562 variables (removed 54) and now considering 2059/2134 (removed 75) transitions.
// Phase 1: matrix 2059 rows 1508 cols
[2024-05-23 02:17:34] [INFO ] Computed 24 invariants in 44 ms
[2024-05-23 02:17:35] [INFO ] Implicit Places using invariants in 595 ms returned []
[2024-05-23 02:17:35] [INFO ] Invariant cache hit.
[2024-05-23 02:17:37] [INFO ] Implicit Places using invariants and state equation in 1774 ms returned []
Implicit Place search using SMT with State Equation took 2376 ms to find 0 implicit places.
Running 2058 sub problems to find dead transitions.
[2024-05-23 02:17:37] [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 1507/3567 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: 2058/2058 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2058 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 1507/3567 variables, and 0 constraints, problems are : Problem set: 0 solved, 2058 unsolved in 30034 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 63835ms problems are : Problem set: 0 solved, 2058 unsolved
Search for dead transitions found 0 dead transitions in 63851ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1562 places, 2059/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66433 ms. Remains : 1508/1562 places, 2059/2134 transitions.
Stuttering acceptance computed with spot in 135 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 66589 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 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 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 2 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 1 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 585 ms. Remains 1062 /1562 variables (removed 500) and now considering 1589/2134 (removed 545) transitions.
[2024-05-23 02:18:41] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
// Phase 1: matrix 1546 rows 1062 cols
[2024-05-23 02:18:41] [INFO ] Computed 24 invariants in 46 ms
[2024-05-23 02:18:42] [INFO ] Implicit Places using invariants in 571 ms returned []
[2024-05-23 02:18:42] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-23 02:18:42] [INFO ] Invariant cache hit.
[2024-05-23 02:18:43] [INFO ] Implicit Places using invariants and state equation in 1122 ms returned []
Implicit Place search using SMT with State Equation took 1714 ms to find 0 implicit places.
[2024-05-23 02:18:43] [INFO ] Redundant transitions in 19 ms returned []
Running 641 sub problems to find dead transitions.
[2024-05-23 02:18:43] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-23 02:18:43] [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
At refinement iteration 3 (INCLUDED_ONLY) 0/1062 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 641 unsolved
SMT process timed out in 30936ms, After SMT, problems are : Problem set: 0 solved, 641 unsolved
Search for dead transitions found 0 dead transitions in 30942ms
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 33271 ms. Remains : 1062/1562 places, 1589/2134 transitions.
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-22b-LTLFireability-10
Product exploration explored 100000 steps with 3524 reset in 1280 ms.
Product exploration explored 100000 steps with 3512 reset in 1296 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 97 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 82 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (1427 resets) in 527 ms. (75 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 383091 steps, run timeout after 3001 ms. (steps per millisecond=127 ) properties seen :0 out of 1
Probabilistic random walk after 383091 steps, saw 107823 distinct states, run finished after 3001 ms. (steps per millisecond=127 ) properties seen :0
[2024-05-23 02:19:20] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-23 02:19:20] [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 527 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
[2024-05-23 02:19:22] [INFO ] Deduced a trap composed of 468 places in 350 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 993 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 1541ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 117 steps, including 3 resets, run visited all 1 properties in 2 ms. (steps per millisecond=58 )
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 164 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 95 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 76 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 116 ms. Remains 1062 /1062 variables (removed 0) and now considering 1589/1589 (removed 0) transitions.
[2024-05-23 02:19:22] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-23 02:19:22] [INFO ] Invariant cache hit.
[2024-05-23 02:19:23] [INFO ] Implicit Places using invariants in 512 ms returned []
[2024-05-23 02:19:23] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-23 02:19:23] [INFO ] Invariant cache hit.
[2024-05-23 02:19:24] [INFO ] Implicit Places using invariants and state equation in 1231 ms returned []
Implicit Place search using SMT with State Equation took 1747 ms to find 0 implicit places.
[2024-05-23 02:19:24] [INFO ] Redundant transitions in 24 ms returned []
Running 641 sub problems to find dead transitions.
[2024-05-23 02:19:24] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-23 02:19:24] [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
At refinement iteration 3 (INCLUDED_ONLY) 0/1062 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 641 unsolved
SMT process timed out in 30827ms, After SMT, problems are : Problem set: 0 solved, 641 unsolved
Search for dead transitions found 0 dead transitions in 30833ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 32729 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 84 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 78 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (1432 resets) in 657 ms. (60 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 390243 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 1
Probabilistic random walk after 390243 steps, saw 108960 distinct states, run finished after 3001 ms. (steps per millisecond=130 ) properties seen :0
[2024-05-23 02:19:59] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-23 02:19:59] [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 564 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
[2024-05-23 02:20:00] [INFO ] Deduced a trap composed of 468 places in 390 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 1100 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 1713ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 27 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=27 )
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 109 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 99 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 113 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 89 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3511 reset in 1262 ms.
Product exploration explored 100000 steps with 3523 reset in 1247 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 105 ms. Remains 1062 /1062 variables (removed 0) and now considering 1589/1589 (removed 0) transitions.
[2024-05-23 02:20:03] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-23 02:20:03] [INFO ] Invariant cache hit.
[2024-05-23 02:20:04] [INFO ] Implicit Places using invariants in 536 ms returned []
[2024-05-23 02:20:04] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-23 02:20:04] [INFO ] Invariant cache hit.
[2024-05-23 02:20:05] [INFO ] Implicit Places using invariants and state equation in 1181 ms returned []
Implicit Place search using SMT with State Equation took 1752 ms to find 0 implicit places.
[2024-05-23 02:20:05] [INFO ] Redundant transitions in 19 ms returned []
Running 641 sub problems to find dead transitions.
[2024-05-23 02:20:05] [INFO ] Flow matrix only has 1546 transitions (discarded 43 similar events)
[2024-05-23 02:20:05] [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 30027 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 60822ms problems are : Problem set: 0 solved, 641 unsolved
Search for dead transitions found 0 dead transitions in 60828ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62714 ms. Remains : 1062/1062 places, 1589/1589 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-10 finished in 145456 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 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 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 2 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 1 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 597 ms. Remains 1068 /1562 variables (removed 494) and now considering 1597/2134 (removed 537) transitions.
[2024-05-23 02:21:07] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
// Phase 1: matrix 1555 rows 1068 cols
[2024-05-23 02:21:07] [INFO ] Computed 24 invariants in 46 ms
[2024-05-23 02:21:07] [INFO ] Implicit Places using invariants in 586 ms returned []
[2024-05-23 02:21:07] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-23 02:21:07] [INFO ] Invariant cache hit.
[2024-05-23 02:21:08] [INFO ] Implicit Places using invariants and state equation in 1141 ms returned []
Implicit Place search using SMT with State Equation took 1729 ms to find 0 implicit places.
[2024-05-23 02:21:08] [INFO ] Redundant transitions in 20 ms returned []
Running 668 sub problems to find dead transitions.
[2024-05-23 02:21:08] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-23 02:21:08] [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 30021 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 30024 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 60895ms problems are : Problem set: 0 solved, 668 unsolved
Search for dead transitions found 0 dead transitions in 60901ms
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 63253 ms. Remains : 1068/1562 places, 1597/2134 transitions.
Stuttering acceptance computed with spot in 174 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 33351 reset in 3184 ms.
Product exploration explored 100000 steps with 33105 reset in 3171 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 197 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 176 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 (1378 resets) in 790 ms. (50 steps per ms) remains 8/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 52 ms. (754 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 6/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 257 ms. (155 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 6/6 properties
[2024-05-23 02:22:17] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-23 02:22:17] [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 1259 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 1646 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 2919ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 2 different solutions.
Finished Parikh walk after 2240 steps, including 42 resets, run visited all 6 properties in 45 ms. (steps per millisecond=49 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 6 properties in 45 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 474 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 148 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 148 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 113 ms. Remains 1068 /1068 variables (removed 0) and now considering 1597/1597 (removed 0) transitions.
[2024-05-23 02:22:21] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-23 02:22:21] [INFO ] Invariant cache hit.
[2024-05-23 02:22:22] [INFO ] Implicit Places using invariants in 545 ms returned []
[2024-05-23 02:22:22] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-23 02:22:22] [INFO ] Invariant cache hit.
[2024-05-23 02:22:23] [INFO ] Implicit Places using invariants and state equation in 1201 ms returned []
Implicit Place search using SMT with State Equation took 1755 ms to find 0 implicit places.
[2024-05-23 02:22:23] [INFO ] Redundant transitions in 20 ms returned []
Running 668 sub problems to find dead transitions.
[2024-05-23 02:22:23] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-23 02:22:23] [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 30019 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 60854ms problems are : Problem set: 0 solved, 668 unsolved
Search for dead transitions found 0 dead transitions in 60859ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62753 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 163 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 136 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 (1377 resets) in 2503 ms. (15 steps per ms) remains 8/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 6/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 6/6 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
[2024-05-23 02:23:26] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-23 02:23:26] [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 1343 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 1682 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 3054ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 2 different solutions.
Finished Parikh walk after 1918 steps, including 36 resets, run visited all 6 properties in 30 ms. (steps per millisecond=63 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 6 properties in 32 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 412 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 132 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 222 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 141 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 33260 reset in 3206 ms.
Product exploration explored 100000 steps with 33242 reset in 3193 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 158 ms. Remains 1068 /1068 variables (removed 0) and now considering 1597/1597 (removed 0) transitions.
[2024-05-23 02:23:36] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-23 02:23:36] [INFO ] Invariant cache hit.
[2024-05-23 02:23:37] [INFO ] Implicit Places using invariants in 681 ms returned []
[2024-05-23 02:23:37] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-23 02:23:37] [INFO ] Invariant cache hit.
[2024-05-23 02:23:38] [INFO ] Implicit Places using invariants and state equation in 1249 ms returned []
Implicit Place search using SMT with State Equation took 1967 ms to find 0 implicit places.
[2024-05-23 02:23:38] [INFO ] Redundant transitions in 20 ms returned []
Running 668 sub problems to find dead transitions.
[2024-05-23 02:23:38] [INFO ] Flow matrix only has 1555 transitions (discarded 42 similar events)
[2024-05-23 02:23:38] [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
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 1068/2623 variables, and 24 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30025 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 60874ms problems are : Problem set: 0 solved, 668 unsolved
Search for dead transitions found 0 dead transitions in 60881ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 63031 ms. Remains : 1068/1068 places, 1597/1597 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-11 finished in 213097 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 207 ms. Remains 1511 /1562 variables (removed 51) and now considering 2064/2134 (removed 70) transitions.
// Phase 1: matrix 2064 rows 1511 cols
[2024-05-23 02:24:39] [INFO ] Computed 24 invariants in 39 ms
[2024-05-23 02:24:40] [INFO ] Implicit Places using invariants in 698 ms returned []
[2024-05-23 02:24:40] [INFO ] Invariant cache hit.
[2024-05-23 02:24:42] [INFO ] Implicit Places using invariants and state equation in 1631 ms returned []
Implicit Place search using SMT with State Equation took 2353 ms to find 0 implicit places.
Running 2063 sub problems to find dead transitions.
[2024-05-23 02:24:42] [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 30029 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
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 30035 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 63620ms problems are : Problem set: 0 solved, 2063 unsolved
Search for dead transitions found 0 dead transitions in 63638ms
Starting structural reductions in LTL mode, iteration 1 : 1511/1562 places, 2064/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66201 ms. Remains : 1511/1562 places, 2064/2134 transitions.
Stuttering acceptance computed with spot in 260 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 143 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-12 finished in 66485 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 210 ms. Remains 1508 /1562 variables (removed 54) and now considering 2060/2134 (removed 74) transitions.
// Phase 1: matrix 2060 rows 1508 cols
[2024-05-23 02:25:46] [INFO ] Computed 24 invariants in 42 ms
[2024-05-23 02:25:46] [INFO ] Implicit Places using invariants in 711 ms returned []
[2024-05-23 02:25:47] [INFO ] Invariant cache hit.
[2024-05-23 02:25:48] [INFO ] Implicit Places using invariants and state equation in 1724 ms returned []
Implicit Place search using SMT with State Equation took 2456 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-23 02:25:48] [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 30039 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 30024 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 64068ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 64086ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1562 places, 2060/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66759 ms. Remains : 1508/1562 places, 2060/2134 transitions.
Stuttering acceptance computed with spot in 143 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 335 ms.
Product exploration explored 100000 steps with 676 reset in 338 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 119 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 130 ms :[true, (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p2), (AND (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (268 resets) in 1135 ms. (35 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (21 resets) in 163 ms. (243 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (17 resets) in 101 ms. (392 steps per ms) remains 4/7 properties
BEST_FIRST walk for 40004 steps (19 resets) in 53 ms. (740 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (19 resets) in 127 ms. (312 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (20 resets) in 67 ms. (588 steps per ms) remains 4/4 properties
[2024-05-23 02:26:54] [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 1030 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 1335 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 2374ms problems are : Problem set: 1 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 135 steps, including 0 resets, run visited all 3 properties in 4 ms. (steps per millisecond=33 )
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 334 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 88 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 81 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 56 ms. Remains 1508 /1508 variables (removed 0) and now considering 2060/2060 (removed 0) transitions.
[2024-05-23 02:26:57] [INFO ] Invariant cache hit.
[2024-05-23 02:26:57] [INFO ] Implicit Places using invariants in 593 ms returned []
[2024-05-23 02:26:57] [INFO ] Invariant cache hit.
[2024-05-23 02:26:59] [INFO ] Implicit Places using invariants and state equation in 1693 ms returned []
Implicit Place search using SMT with State Equation took 2293 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-23 02:26:59] [INFO ] Invariant cache hit.
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(s992 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1507/3568 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 2059/2059 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2059 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1507/3568 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30041 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 64088ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 64109ms
Finished structural reductions in LTL mode , in 1 iterations and 66467 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 137 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 (267 resets) in 1018 ms. (39 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (21 resets) in 297 ms. (134 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (20 resets) in 293 ms. (136 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (18 resets) in 56 ms. (701 steps per ms) remains 2/4 properties
[2024-05-23 02:28:04] [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 816 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 911 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 1741ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 162 steps, including 0 resets, run visited all 2 properties in 4 ms. (steps per millisecond=40 )
Parikh walk visited 2 properties in 11 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 199 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 78 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 64 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 673 reset in 327 ms.
Product exploration explored 100000 steps with 674 reset in 308 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 56 ms. Remains 1508 /1508 variables (removed 0) and now considering 2060/2060 (removed 0) transitions.
[2024-05-23 02:28:07] [INFO ] Invariant cache hit.
[2024-05-23 02:28:08] [INFO ] Implicit Places using invariants in 599 ms returned []
[2024-05-23 02:28:08] [INFO ] Invariant cache hit.
[2024-05-23 02:28:09] [INFO ] Implicit Places using invariants and state equation in 1672 ms returned []
Implicit Place search using SMT with State Equation took 2321 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-23 02:28:09] [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 30051 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
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 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 64407ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 64424ms
Finished structural reductions in LTL mode , in 1 iterations and 66805 ms. Remains : 1508/1508 places, 2060/2060 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-13 finished in 208341 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 216 ms. Remains 1512 /1562 variables (removed 50) and now considering 2063/2134 (removed 71) transitions.
// Phase 1: matrix 2063 rows 1512 cols
[2024-05-23 02:29:14] [INFO ] Computed 24 invariants in 41 ms
[2024-05-23 02:29:15] [INFO ] Implicit Places using invariants in 642 ms returned []
[2024-05-23 02:29:15] [INFO ] Invariant cache hit.
[2024-05-23 02:29:16] [INFO ] Implicit Places using invariants and state equation in 1702 ms returned []
Implicit Place search using SMT with State Equation took 2369 ms to find 0 implicit places.
Running 2062 sub problems to find dead transitions.
[2024-05-23 02:29:17] [INFO ] Invariant cache hit.
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 30044 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 "Error writing to Z3 solver: java.io.IOException: Broken pipe")
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 30025 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 64404ms problems are : Problem set: 0 solved, 2062 unsolved
Search for dead transitions found 0 dead transitions in 64422ms
Starting structural reductions in LTL mode, iteration 1 : 1512/1562 places, 2063/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67011 ms. Remains : 1512/1562 places, 2063/2134 transitions.
Stuttering acceptance computed with spot in 117 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 142 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-14 finished in 67147 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 225 ms. Remains 1508 /1562 variables (removed 54) and now considering 2060/2134 (removed 74) transitions.
// Phase 1: matrix 2060 rows 1508 cols
[2024-05-23 02:30:21] [INFO ] Computed 24 invariants in 36 ms
[2024-05-23 02:30:22] [INFO ] Implicit Places using invariants in 653 ms returned []
[2024-05-23 02:30:22] [INFO ] Invariant cache hit.
[2024-05-23 02:30:24] [INFO ] Implicit Places using invariants and state equation in 1654 ms returned []
Implicit Place search using SMT with State Equation took 2339 ms to find 0 implicit places.
Running 2059 sub problems to find dead transitions.
[2024-05-23 02:30:24] [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 30040 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
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 1507/3568 variables, and 0 constraints, problems are : Problem set: 0 solved, 2059 unsolved in 30025 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 64402ms problems are : Problem set: 0 solved, 2059 unsolved
Search for dead transitions found 0 dead transitions in 64419ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1562 places, 2060/2134 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66987 ms. Remains : 1508/1562 places, 2060/2134 transitions.
Stuttering acceptance computed with spot in 148 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 138 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-22b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-15 finished in 67150 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 87 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 1 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 0 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 404 ms. Remains 1065 /1562 variables (removed 497) and now considering 1593/2134 (removed 541) transitions.
[2024-05-23 02:31:29] [INFO ] Flow matrix only has 1550 transitions (discarded 43 similar events)
// Phase 1: matrix 1550 rows 1065 cols
[2024-05-23 02:31:29] [INFO ] Computed 24 invariants in 48 ms
[2024-05-23 02:31:29] [INFO ] Implicit Places using invariants in 600 ms returned []
[2024-05-23 02:31:29] [INFO ] Flow matrix only has 1550 transitions (discarded 43 similar events)
[2024-05-23 02:31:29] [INFO ] Invariant cache hit.
[2024-05-23 02:31:31] [INFO ] Implicit Places using invariants and state equation in 1194 ms returned []
Implicit Place search using SMT with State Equation took 1796 ms to find 0 implicit places.
Running 644 sub problems to find dead transitions.
[2024-05-23 02:31:31] [INFO ] Flow matrix only has 1550 transitions (discarded 43 similar events)
[2024-05-23 02:31:31] [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
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 1065/2615 variables, and 24 constraints, problems are : Problem set: 0 solved, 644 unsolved in 30015 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 30024 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 60976ms problems are : Problem set: 0 solved, 644 unsolved
Search for dead transitions found 0 dead transitions in 60983ms
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 63184 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 5164 steps with 180 reset in 65 ms.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-04 finished in 63429 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 208 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 0 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 374 ms. Remains 1064 /1562 variables (removed 498) and now considering 1591/2134 (removed 543) transitions.
[2024-05-23 02:32:32] [INFO ] Flow matrix only has 1550 transitions (discarded 41 similar events)
// Phase 1: matrix 1550 rows 1064 cols
[2024-05-23 02:32:32] [INFO ] Computed 24 invariants in 45 ms
[2024-05-23 02:32:33] [INFO ] Implicit Places using invariants in 584 ms returned []
[2024-05-23 02:32:33] [INFO ] Flow matrix only has 1550 transitions (discarded 41 similar events)
[2024-05-23 02:32:33] [INFO ] Invariant cache hit.
[2024-05-23 02:32:34] [INFO ] Implicit Places using invariants and state equation in 1219 ms returned []
Implicit Place search using SMT with State Equation took 1807 ms to find 0 implicit places.
Running 664 sub problems to find dead transitions.
[2024-05-23 02:32:34] [INFO ] Flow matrix only has 1550 transitions (discarded 41 similar events)
[2024-05-23 02:32:34] [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
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 30020 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 30023 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 61172ms problems are : Problem set: 0 solved, 664 unsolved
Search for dead transitions found 0 dead transitions in 61180ms
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 63362 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 14805 steps with 497 reset in 180 ms.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-08 finished in 63871 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 144 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 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 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 1 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 1 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 359 ms. Remains 1063 /1562 variables (removed 499) and now considering 1592/2134 (removed 542) transitions.
[2024-05-23 02:33:36] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
// Phase 1: matrix 1549 rows 1063 cols
[2024-05-23 02:33:36] [INFO ] Computed 24 invariants in 46 ms
[2024-05-23 02:33:37] [INFO ] Implicit Places using invariants in 537 ms returned []
[2024-05-23 02:33:37] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:33:37] [INFO ] Invariant cache hit.
[2024-05-23 02:33:38] [INFO ] Implicit Places using invariants and state equation in 1187 ms returned []
Implicit Place search using SMT with State Equation took 1729 ms to find 0 implicit places.
Running 642 sub problems to find dead transitions.
[2024-05-23 02:33:38] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:33:38] [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 30048 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 30020 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 61015ms problems are : Problem set: 0 solved, 642 unsolved
Search for dead transitions found 0 dead transitions in 61023ms
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 63113 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 3515 reset in 1317 ms.
Product exploration explored 100000 steps with 3519 reset in 1297 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 104 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 155 ms :[true, (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p2), (AND (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (1424 resets) in 1377 ms. (29 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 4/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 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 33 ms. (1176 steps per ms) remains 4/4 properties
[2024-05-23 02:34:43] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:34:43] [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 775 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 992 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 1782ms problems are : Problem set: 1 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 22 steps, including 0 resets, run visited all 3 properties in 2 ms. (steps per millisecond=11 )
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 266 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 86 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 81 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 32 ms. Remains 1063 /1063 variables (removed 0) and now considering 1592/1592 (removed 0) transitions.
[2024-05-23 02:34:45] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:34:45] [INFO ] Invariant cache hit.
[2024-05-23 02:34:46] [INFO ] Implicit Places using invariants in 532 ms returned []
[2024-05-23 02:34:46] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:34:46] [INFO ] Invariant cache hit.
[2024-05-23 02:34:47] [INFO ] Implicit Places using invariants and state equation in 1207 ms returned []
Implicit Place search using SMT with State Equation took 1742 ms to find 0 implicit places.
Running 642 sub problems to find dead transitions.
[2024-05-23 02:34:47] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:34:47] [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 30022 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 30028 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 61106ms problems are : Problem set: 0 solved, 642 unsolved
Search for dead transitions found 0 dead transitions in 61114ms
Finished structural reductions in LTL mode , in 1 iterations and 62891 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 100 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 99 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
RANDOM walk for 40000 steps (1428 resets) in 1932 ms. (20 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 2/4 properties
[2024-05-23 02:35:50] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:35:50] [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 652 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 813 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 1471ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 22 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=11 )
Parikh walk visited 2 properties in 2 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 217 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 78 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 90 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)]
Product exploration explored 100000 steps with 3527 reset in 1298 ms.
Product exploration explored 100000 steps with 3507 reset in 1310 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 33 ms. Remains 1063 /1063 variables (removed 0) and now considering 1592/1592 (removed 0) transitions.
[2024-05-23 02:35:54] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:35:54] [INFO ] Invariant cache hit.
[2024-05-23 02:35:55] [INFO ] Implicit Places using invariants in 552 ms returned []
[2024-05-23 02:35:55] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:35:55] [INFO ] Invariant cache hit.
[2024-05-23 02:35:56] [INFO ] Implicit Places using invariants and state equation in 1178 ms returned []
Implicit Place search using SMT with State Equation took 1772 ms to find 0 implicit places.
Running 642 sub problems to find dead transitions.
[2024-05-23 02:35:56] [INFO ] Flow matrix only has 1549 transitions (discarded 43 similar events)
[2024-05-23 02:35:56] [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 31144ms, After SMT, problems are : Problem set: 0 solved, 642 unsolved
Search for dead transitions found 0 dead transitions in 31156ms
Finished structural reductions in LTL mode , in 1 iterations and 32964 ms. Remains : 1063/1063 places, 1592/1592 transitions.
Treatment of property FlexibleBarrier-PT-22b-LTLFireability-13 finished in 171405 ms.
[2024-05-23 02:36:27] [INFO ] Flatten gal took : 71 ms
[2024-05-23 02:36:27] [INFO ] Export to MCC of 6 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2024-05-23 02:36:27] [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 2128559 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running FlexibleBarrier-PT-22b

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/399/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 1562
TRANSITIONS: 2134
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.034s, Sys 0.004s]


SAVING FILE /home/mcc/execution/399/model (.net / .def) ...
EXPORT TIME: [User 0.006s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 2755
MODEL NAME: /home/mcc/execution/399/model
1562 places, 2134 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.

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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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
MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory