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.r399-tall-171690531300860.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 Szymanski-PT-b02, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r399-tall-171690531300860
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.0M
-rw-r--r-- 1 mcc users 6.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Apr 23 08:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 23 08:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 23 08:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 23 08:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.8K Apr 11 15:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 76K Apr 11 15:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Apr 11 15:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Apr 11 15:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 08:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 23 08:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 3.7M May 18 16:43 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME Szymanski-PT-b02-LTLFireability-00
FORMULA_NAME Szymanski-PT-b02-LTLFireability-01
FORMULA_NAME Szymanski-PT-b02-LTLFireability-02
FORMULA_NAME Szymanski-PT-b02-LTLFireability-03
FORMULA_NAME Szymanski-PT-b02-LTLFireability-04
FORMULA_NAME Szymanski-PT-b02-LTLFireability-05
FORMULA_NAME Szymanski-PT-b02-LTLFireability-06
FORMULA_NAME Szymanski-PT-b02-LTLFireability-07
FORMULA_NAME Szymanski-PT-b02-LTLFireability-08
FORMULA_NAME Szymanski-PT-b02-LTLFireability-09
FORMULA_NAME Szymanski-PT-b02-LTLFireability-10
FORMULA_NAME Szymanski-PT-b02-LTLFireability-11
FORMULA_NAME Szymanski-PT-b02-LTLFireability-12
FORMULA_NAME Szymanski-PT-b02-LTLFireability-13
FORMULA_NAME Szymanski-PT-b02-LTLFireability-14
FORMULA_NAME Szymanski-PT-b02-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717094686235

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b02
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-30 18:44:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-30 18:44:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-30 18:44:47] [INFO ] Load time of PNML (sax parser for PT used): 325 ms
[2024-05-30 18:44:47] [INFO ] Transformed 568 places.
[2024-05-30 18:44:47] [INFO ] Transformed 8320 transitions.
[2024-05-30 18:44:47] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 469 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 260 places in 19 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b02-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 52 out of 308 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 306 transition count 8064
Applied a total of 2 rules in 150 ms. Remains 306 /308 variables (removed 2) and now considering 8064/8064 (removed 0) transitions.
[2024-05-30 18:44:48] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 306 cols
[2024-05-30 18:44:48] [INFO ] Computed 1 invariants in 64 ms
[2024-05-30 18:44:48] [INFO ] Implicit Places using invariants in 615 ms returned []
[2024-05-30 18:44:48] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 18:44:48] [INFO ] Invariant cache hit.
[2024-05-30 18:44:49] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:45:19] [INFO ] Performed 117/306 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 18:45:44] [INFO ] Implicit Places using invariants and state equation in 55579 ms returned []
Implicit Place search using SMT with State Equation took 56230 ms to find 0 implicit places.
Running 8062 sub problems to find dead transitions.
[2024-05-30 18:45:44] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 18:45:44] [INFO ] Invariant cache hit.
[2024-05-30 18:45:44] [INFO ] State equation strengthened by 147 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(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 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30190 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 8062/8062 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8062 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30100 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/8062 constraints, Known Traps: 0/0 constraints]
After SMT, in 87357ms problems are : Problem set: 0 solved, 8062 unsolved
Search for dead transitions found 0 dead transitions in 87470ms
Starting structural reductions in LTL mode, iteration 1 : 306/308 places, 8064/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 143920 ms. Remains : 306/308 places, 8064/8064 transitions.
Support contains 52 out of 306 places after structural reductions.
[2024-05-30 18:47:12] [INFO ] Flatten gal took : 462 ms
[2024-05-30 18:47:13] [INFO ] Flatten gal took : 269 ms
[2024-05-30 18:47:13] [INFO ] Input system was already deterministic with 8064 transitions.
Support contains 47 out of 306 places (down from 52) after GAL structural reductions.
RANDOM walk for 40001 steps (8 resets) in 2259 ms. (17 steps per ms) remains 26/27 properties
BEST_FIRST walk for 4001 steps (8 resets) in 62 ms. (63 steps per ms) remains 25/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 22/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 21/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 20/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 19/20 properties
BEST_FIRST walk for 4002 steps (8 resets) in 20 ms. (190 steps per ms) remains 18/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (8 resets) in 20 ms. (190 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 16/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 20 ms. (190 steps per ms) remains 16/16 properties
[2024-05-30 18:47:14] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 18:47:14] [INFO ] Invariant cache hit.
[2024-05-30 18:47:14] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 276/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp23 is UNSAT
At refinement iteration 3 (OVERLAPS) 2733/3039 variables, 306/307 constraints. Problems are: Problem set: 2 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3039/3039 variables, and 454 constraints, problems are : Problem set: 2 solved, 14 unsolved in 5022 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 282/306 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 2733/3039 variables, 306/307 constraints. Problems are: Problem set: 2 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3039/3039 variables, and 454 constraints, problems are : Problem set: 2 solved, 14 unsolved in 5020 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/16 constraints, Known Traps: 0/0 constraints]
After SMT, in 10184ms problems are : Problem set: 2 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 24 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 117 transitions
Reduce isomorphic transitions removed 117 transitions.
Iterating post reduction 0 with 117 rules applied. Total rules applied 117 place count 306 transition count 7947
Applied a total of 117 rules in 391 ms. Remains 306 /306 variables (removed 0) and now considering 7947/8064 (removed 117) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 393 ms. Remains : 306/306 places, 7947/8064 transitions.
RANDOM walk for 40002 steps (8 resets) in 344 ms. (115 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 136 ms. (292 steps per ms) remains 13/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 128 ms. (310 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (8 resets) in 123 ms. (322 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 140 ms. (283 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (8 resets) in 103 ms. (384 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 90 ms. (439 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 12/13 properties
BEST_FIRST walk for 40001 steps (8 resets) in 121 ms. (327 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 12/12 properties
[2024-05-30 18:47:25] [INFO ] Flow matrix only has 2616 transitions (discarded 5331 similar events)
// Phase 1: matrix 2616 rows 306 cols
[2024-05-30 18:47:25] [INFO ] Computed 1 invariants in 23 ms
[2024-05-30 18:47:25] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 286/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 2616/2922 variables, 306/307 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2922 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2922 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/2922 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2922/2922 variables, and 454 constraints, problems are : Problem set: 0 solved, 12 unsolved in 45012 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 286/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 2616/2922 variables, 306/307 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2922 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2922/2922 variables, and 466 constraints, problems are : Problem set: 0 solved, 12 unsolved in 45038 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
After SMT, in 90156ms problems are : Problem set: 0 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 20 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 7947/7947 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 306 transition count 7945
Applied a total of 2 rules in 206 ms. Remains 306 /306 variables (removed 0) and now considering 7945/7947 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 206 ms. Remains : 306/306 places, 7945/7947 transitions.
Successfully simplified 2 atomic propositions for a total of 15 simplifications.
Computed a total of 12 stabilizing places and 2432 stable transitions
FORMULA Szymanski-PT-b02-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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(F(((!p0&&X(X(F(!p1))))||G(F(!p1)))))||(!p2&&F(((!p0&&X(X(F(!p1))))||G(F(!p1))))))))'
Support contains 6 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Applied a total of 0 rules in 66 ms. Remains 306 /306 variables (removed 0) and now considering 8064/8064 (removed 0) transitions.
[2024-05-30 18:48:56] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 306 cols
[2024-05-30 18:48:56] [INFO ] Computed 1 invariants in 18 ms
[2024-05-30 18:48:57] [INFO ] Implicit Places using invariants in 489 ms returned []
[2024-05-30 18:48:57] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 18:48:57] [INFO ] Invariant cache hit.
[2024-05-30 18:48:57] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:49:27] [INFO ] Performed 60/306 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 18:50:01] [INFO ] Performed 82/306 implicitness test of which 0 returned IMPLICIT in 63 seconds.
[2024-05-30 18:50:38] [INFO ] Performed 88/306 implicitness test of which 0 returned IMPLICIT in 100 seconds.
[2024-05-30 18:51:11] [INFO ] Performed 94/306 implicitness test of which 0 returned IMPLICIT in 133 seconds.
[2024-05-30 18:51:11] [INFO ] Timeout of Implicit test with SMT after 133 seconds.
[2024-05-30 18:51:11] [INFO ] Implicit Places using invariants and state equation in 134335 ms returned []
Implicit Place search using SMT with State Equation took 134826 ms to find 0 implicit places.
Running 8062 sub problems to find dead transitions.
[2024-05-30 18:51:11] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 18:51:11] [INFO ] Invariant cache hit.
[2024-05-30 18:51:11] [INFO ] State equation strengthened by 147 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30122 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 8062/8062 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8062 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
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(s179 timeout
1)
(s180 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30093 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/8062 constraints, Known Traps: 0/0 constraints]
After SMT, in 91062ms problems are : Problem set: 0 solved, 8062 unsolved
Search for dead transitions found 0 dead transitions in 91134ms
Finished structural reductions in LTL mode , in 1 iterations and 226055 ms. Remains : 306/306 places, 8064/8064 transitions.
Stuttering acceptance computed with spot in 264 ms :[p1, p1, p1, p1]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-01
Product exploration explored 100000 steps with 33333 reset in 833 ms.
Product exploration explored 100000 steps with 33333 reset in 723 ms.
Computed a total of 12 stabilizing places and 2432 stable transitions
Computed a total of 12 stabilizing places and 2432 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (NOT (AND (NOT p2) p0))), (X (AND (NOT p2) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 11 factoid took 14 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b02-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b02-LTLFireability-01 finished in 228011 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((!p0 U (p1||G(!p0)))))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 134 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2024-05-30 18:52:44] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2024-05-30 18:52:44] [INFO ] Computed 1 invariants in 18 ms
[2024-05-30 18:52:45] [INFO ] Implicit Places using invariants in 441 ms returned []
[2024-05-30 18:52:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:52:45] [INFO ] Invariant cache hit.
[2024-05-30 18:52:46] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:53:19] [INFO ] Performed 287/305 implicitness test of which 0 returned IMPLICIT in 32 seconds.
[2024-05-30 18:53:33] [INFO ] Implicit Places using invariants and state equation in 48631 ms returned []
Implicit Place search using SMT with State Equation took 49072 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2024-05-30 18:53:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:53:33] [INFO ] Invariant cache hit.
[2024-05-30 18:53:33] [INFO ] State equation strengthened by 147 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s141 1.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30100 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30092 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 92076ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 92147ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 141379 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 145 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (NOT p0), (AND p0 (NOT p1))]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-02
Product exploration explored 100000 steps with 0 reset in 454 ms.
Stack based approach found an accepted trace after 31 steps with 0 reset with depth 32 and stack size 32 in 5 ms.
FORMULA Szymanski-PT-b02-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b02-LTLFireability-02 finished in 142013 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)))'
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 80 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2024-05-30 18:55:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:55:06] [INFO ] Invariant cache hit.
[2024-05-30 18:55:07] [INFO ] Implicit Places using invariants in 443 ms returned []
[2024-05-30 18:55:07] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:55:07] [INFO ] Invariant cache hit.
[2024-05-30 18:55:07] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:55:38] [INFO ] Performed 288/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 18:56:09] [INFO ] Performed 304/305 implicitness test of which 0 returned IMPLICIT in 61 seconds.
[2024-05-30 18:56:09] [INFO ] Implicit Places using invariants and state equation in 62289 ms returned []
Implicit Place search using SMT with State Equation took 62732 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2024-05-30 18:56:09] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:56:09] [INFO ] Invariant cache hit.
[2024-05-30 18:56:09] [INFO ] State equation strengthened by 147 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 1.0)
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(s43 1.0)timeout

(s44 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30096 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30088 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 89937ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 90015ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 152844 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 83 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-03
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Szymanski-PT-b02-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b02-LTLFireability-03 finished in 152952 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)))'
Support contains 6 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 51 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2024-05-30 18:57:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:57:39] [INFO ] Invariant cache hit.
[2024-05-30 18:57:40] [INFO ] Implicit Places using invariants in 484 ms returned []
[2024-05-30 18:57:40] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:57:40] [INFO ] Invariant cache hit.
[2024-05-30 18:57:40] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:58:10] [INFO ] Implicit Places using invariants and state equation in 30392 ms returned []
Implicit Place search using SMT with State Equation took 30880 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2024-05-30 18:58:10] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:58:10] [INFO ] Invariant cache hit.
[2024-05-30 18:58:10] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30094 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30107 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 89753ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 89821ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 120782 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 96 ms :[p1, p1, true]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 515 ms.
Product exploration explored 100000 steps with 50000 reset in 535 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND p1 p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND p1 p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 17 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b02-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b02-LTLFireability-04 finished in 122013 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(F(p1))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 48 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2024-05-30 18:59:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:59:41] [INFO ] Invariant cache hit.
[2024-05-30 18:59:41] [INFO ] Implicit Places using invariants in 455 ms returned []
[2024-05-30 18:59:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:59:41] [INFO ] Invariant cache hit.
[2024-05-30 18:59:42] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:00:09] [INFO ] Implicit Places using invariants and state equation in 27860 ms returned []
Implicit Place search using SMT with State Equation took 28316 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2024-05-30 19:00:09] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:00:09] [INFO ] Invariant cache hit.
[2024-05-30 19:00:09] [INFO ] State equation strengthened by 147 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s211 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30105 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30101 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 91944ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 92013ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 120391 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 119 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-05
Stuttering criterion allowed to conclude after 58 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-b02-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b02-LTLFireability-05 finished in 120533 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)||G(p1)))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Applied a total of 0 rules in 325 ms. Remains 306 /306 variables (removed 0) and now considering 8064/8064 (removed 0) transitions.
[2024-05-30 19:01:42] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 306 cols
[2024-05-30 19:01:42] [INFO ] Computed 1 invariants in 22 ms
[2024-05-30 19:01:42] [INFO ] Implicit Places using invariants in 460 ms returned []
[2024-05-30 19:01:42] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 19:01:42] [INFO ] Invariant cache hit.
[2024-05-30 19:01:43] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:02:13] [INFO ] Performed 31/306 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 19:02:47] [INFO ] Performed 74/306 implicitness test of which 0 returned IMPLICIT in 63 seconds.
[2024-05-30 19:03:17] [INFO ] Performed 105/306 implicitness test of which 0 returned IMPLICIT in 93 seconds.
[2024-05-30 19:03:47] [INFO ] Performed 290/306 implicitness test of which 0 returned IMPLICIT in 124 seconds.
[2024-05-30 19:03:47] [INFO ] Timeout of Implicit test with SMT after 124 seconds.
[2024-05-30 19:03:47] [INFO ] Implicit Places using invariants and state equation in 124991 ms returned []
Implicit Place search using SMT with State Equation took 125453 ms to find 0 implicit places.
[2024-05-30 19:03:48] [INFO ] Redundant transitions in 951 ms returned []
Running 8062 sub problems to find dead transitions.
[2024-05-30 19:03:48] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 19:03:48] [INFO ] Invariant cache hit.
[2024-05-30 19:03:48] [INFO ] State equation strengthened by 147 read => feed constraints.
(s63 1.0timeout
^^^^^^^^^^
(error "Invalid token: 1.0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s63 1.0timeout
) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30121 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 8062/8062 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8062 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30108 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/8062 constraints, Known Traps: 0/0 constraints]
After SMT, in 91451ms problems are : Problem set: 0 solved, 8062 unsolved
Search for dead transitions found 0 dead transitions in 91523ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 218280 ms. Remains : 306/306 places, 8064/8064 transitions.
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 420 ms.
Stack based approach found an accepted trace after 30 steps with 0 reset with depth 31 and stack size 31 in 0 ms.
FORMULA Szymanski-PT-b02-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b02-LTLFireability-06 finished in 218826 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||X(p1))))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Applied a total of 0 rules in 27 ms. Remains 306 /306 variables (removed 0) and now considering 8064/8064 (removed 0) transitions.
[2024-05-30 19:05:20] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 19:05:20] [INFO ] Invariant cache hit.
[2024-05-30 19:05:21] [INFO ] Implicit Places using invariants in 548 ms returned []
[2024-05-30 19:05:21] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 19:05:21] [INFO ] Invariant cache hit.
[2024-05-30 19:05:22] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:05:52] [INFO ] Performed 65/306 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 19:06:23] [INFO ] Performed 87/306 implicitness test of which 0 returned IMPLICIT in 61 seconds.
[2024-05-30 19:06:53] [INFO ] Performed 295/306 implicitness test of which 0 returned IMPLICIT in 91 seconds.
[2024-05-30 19:06:59] [INFO ] Implicit Places using invariants and state equation in 98439 ms returned []
Implicit Place search using SMT with State Equation took 98989 ms to find 0 implicit places.
Running 8062 sub problems to find dead transitions.
[2024-05-30 19:06:59] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 19:06:59] [INFO ] Invariant cache hit.
[2024-05-30 19:06:59] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30107 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 8062/8062 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8062 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30096 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/8062 constraints, Known Traps: 0/0 constraints]
After SMT, in 91211ms problems are : Problem set: 0 solved, 8062 unsolved
Search for dead transitions found 0 dead transitions in 91281ms
Finished structural reductions in LTL mode , in 1 iterations and 190307 ms. Remains : 306/306 places, 8064/8064 transitions.
Stuttering acceptance computed with spot in 158 ms :[true, (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-07
Product exploration explored 100000 steps with 1 reset in 429 ms.
Product exploration explored 100000 steps with 0 reset in 507 ms.
Computed a total of 12 stabilizing places and 2432 stable transitions
Computed a total of 12 stabilizing places and 2432 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 272 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 5 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 149 ms :[true, (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 40002 steps (8 resets) in 433 ms. (92 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 298 ms. (133 steps per ms) remains 1/4 properties
[2024-05-30 19:08:33] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 19:08:33] [INFO ] Invariant cache hit.
[2024-05-30 19:08:33] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 302/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
Problem apf0 is UNSAT
After SMT solving in domain Real declared 3039/3039 variables, and 307 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1572 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
After SMT solving in domain Int declared 4/3039 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 17 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1653ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 (NOT p0)), (X (X (NOT p0))), (G (OR (NOT p0) (NOT p1)))]
False Knowledge obtained : [(F p0), (F (NOT (AND (NOT p0) p1))), (F (NOT p1))]
Knowledge based reduction with 3 factoid took 134 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 131 ms :[true, (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 139 ms :[true, (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Applied a total of 0 rules in 28 ms. Remains 306 /306 variables (removed 0) and now considering 8064/8064 (removed 0) transitions.
[2024-05-30 19:08:35] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 19:08:35] [INFO ] Invariant cache hit.
[2024-05-30 19:08:35] [INFO ] Implicit Places using invariants in 460 ms returned []
[2024-05-30 19:08:35] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 19:08:35] [INFO ] Invariant cache hit.
[2024-05-30 19:08:36] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:09:06] [INFO ] Performed 65/306 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 19:09:39] [INFO ] Performed 86/306 implicitness test of which 0 returned IMPLICIT in 63 seconds.
[2024-05-30 19:10:20] [INFO ] Performed 111/306 implicitness test of which 0 returned IMPLICIT in 104 seconds.
[2024-05-30 19:10:50] [INFO ] Performed 297/306 implicitness test of which 0 returned IMPLICIT in 134 seconds.
[2024-05-30 19:10:50] [INFO ] Timeout of Implicit test with SMT after 134 seconds.
[2024-05-30 19:10:50] [INFO ] Implicit Places using invariants and state equation in 135374 ms returned []
Implicit Place search using SMT with State Equation took 135839 ms to find 0 implicit places.
Running 8062 sub problems to find dead transitions.
[2024-05-30 19:10:51] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 19:10:51] [INFO ] Invariant cache hit.
[2024-05-30 19:10:51] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30098 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 8062/8062 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8062 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
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(s78 1)
(s79 1)
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(s95 1)
(s96 1)
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(s109 1)
(s110 1)
(s111 1)
(s112 1)
(s113 1)
(s114 1)
(s115 1)
(s116 1)
(s117 1)
(s118 1)
(s119 1)
(s120 1)
(s121 1)
(s122 1)
(s123 1)
(s124 1)
(s125 1)
(s126 1)
(s127 1)
(s128 1)
(s129 1)
(s130 1)
(s131 1)
(s132 1)
(s133 1)
(s134 1)
(s135 1)
(s136 1)
(s137 1)
(s138 1)
(s139 1)
(s140 1)
(s141 1)
(s142 1)
(s143 1)
(s144 1)
(s145 1)
(s146 1)
(s147 1)
(s148 1)
(s149 1)
(s150 1)
(s151 1)
(s152 1)
(s153 1)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30106 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/8062 constraints, Known Traps: 0/0 constraints]
After SMT, in 92000ms problems are : Problem set: 0 solved, 8062 unsolved
Search for dead transitions found 0 dead transitions in 92069ms
Finished structural reductions in LTL mode , in 1 iterations and 227958 ms. Remains : 306/306 places, 8064/8064 transitions.
Computed a total of 12 stabilizing places and 2432 stable transitions
Computed a total of 12 stabilizing places and 2432 stable transitions
Knowledge obtained : [p1]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 83 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 134 ms :[true, (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 40003 steps (8 resets) in 274 ms. (145 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 97 ms. (408 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 157866 steps, run timeout after 3001 ms. (steps per millisecond=52 ) properties seen :0 out of 1
Probabilistic random walk after 157866 steps, saw 53943 distinct states, run finished after 3004 ms. (steps per millisecond=52 ) properties seen :0
[2024-05-30 19:12:26] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 19:12:26] [INFO ] Invariant cache hit.
[2024-05-30 19:12:26] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 302/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2733/3039 variables, 306/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3039 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3039 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/3039 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3039/3039 variables, and 454 constraints, problems are : Problem set: 0 solved, 1 unsolved in 710 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 302/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2733/3039 variables, 306/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3039/3039 variables, and 454 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1864 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 2617ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 125 transitions
Reduce isomorphic transitions removed 125 transitions.
Iterating post reduction 0 with 125 rules applied. Total rules applied 125 place count 306 transition count 7939
Applied a total of 125 rules in 239 ms. Remains 306 /306 variables (removed 0) and now considering 7939/8064 (removed 125) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 239 ms. Remains : 306/306 places, 7939/8064 transitions.
RANDOM walk for 40001 steps (8 resets) in 263 ms. (151 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 162899 steps, run timeout after 3001 ms. (steps per millisecond=54 ) properties seen :0 out of 1
Probabilistic random walk after 162899 steps, saw 54521 distinct states, run finished after 3001 ms. (steps per millisecond=54 ) properties seen :0
[2024-05-30 19:12:32] [INFO ] Flow matrix only has 2608 transitions (discarded 5331 similar events)
// Phase 1: matrix 2608 rows 306 cols
[2024-05-30 19:12:32] [INFO ] Computed 1 invariants in 18 ms
[2024-05-30 19:12:32] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 302/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-30 19:12:33] [INFO ] Deduced a trap composed of 45 places in 473 ms of which 26 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/306 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2608/2914 variables, 306/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2914 variables, 147/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/2914 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/2914 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2914/2914 variables, and 455 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1280 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 302/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-30 19:12:34] [INFO ] Deduced a trap composed of 31 places in 460 ms of which 3 ms to minimize.
[2024-05-30 19:12:34] [INFO ] Deduced a trap composed of 97 places in 388 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/306 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/306 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2608/2914 variables, 306/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2914/2914 variables, and 457 constraints, problems are : Problem set: 0 solved, 1 unsolved in 10728 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 12077ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 7939/7939 transitions.
Applied a total of 0 rules in 192 ms. Remains 306 /306 variables (removed 0) and now considering 7939/7939 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 306/306 places, 7939/7939 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 7939/7939 transitions.
Applied a total of 0 rules in 202 ms. Remains 306 /306 variables (removed 0) and now considering 7939/7939 (removed 0) transitions.
[2024-05-30 19:12:44] [INFO ] Flow matrix only has 2608 transitions (discarded 5331 similar events)
[2024-05-30 19:12:44] [INFO ] Invariant cache hit.
[2024-05-30 19:12:45] [INFO ] Implicit Places using invariants in 452 ms returned []
[2024-05-30 19:12:45] [INFO ] Flow matrix only has 2608 transitions (discarded 5331 similar events)
[2024-05-30 19:12:45] [INFO ] Invariant cache hit.
[2024-05-30 19:12:45] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:13:17] [INFO ] Performed 112/306 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2024-05-30 19:13:47] [INFO ] Implicit Places using invariants and state equation in 61679 ms returned []
Implicit Place search using SMT with State Equation took 62133 ms to find 0 implicit places.
[2024-05-30 19:13:47] [INFO ] Redundant transitions in 846 ms returned []
Running 7937 sub problems to find dead transitions.
[2024-05-30 19:13:48] [INFO ] Flow matrix only has 2608 transitions (discarded 5331 similar events)
[2024-05-30 19:13:48] [INFO ] Invariant cache hit.
[2024-05-30 19:13:48] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7937 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/2914 variables, and 1 constraints, problems are : Problem set: 0 solved, 7937 unsolved in 30093 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7937/7937 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7937 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7937 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/2914 variables, and 1 constraints, problems are : Problem set: 0 solved, 7937 unsolved in 30092 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7937 constraints, Known Traps: 0/0 constraints]
After SMT, in 90638ms problems are : Problem set: 0 solved, 7937 unsolved
Search for dead transitions found 0 dead transitions in 90732ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 153935 ms. Remains : 306/306 places, 7939/7939 transitions.
Knowledge obtained : [p1]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 92 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 182 ms :[true, (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 176 ms :[true, (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 170 ms :[true, (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 0 reset in 471 ms.
Product exploration explored 100000 steps with 0 reset in 484 ms.
Applying partial POR strategy [true, true, false, false, false]
Stuttering acceptance computed with spot in 222 ms :[true, (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Applied a total of 0 rules in 229 ms. Remains 306 /306 variables (removed 0) and now considering 8064/8064 (removed 0) transitions.
[2024-05-30 19:15:21] [INFO ] Redundant transitions in 683 ms returned []
Running 8062 sub problems to find dead transitions.
[2024-05-30 19:15:21] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 306 cols
[2024-05-30 19:15:21] [INFO ] Computed 1 invariants in 23 ms
[2024-05-30 19:15:21] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30106 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 8062/8062 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8062 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30112 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/8062 constraints, Known Traps: 0/0 constraints]
After SMT, in 91104ms problems are : Problem set: 0 solved, 8062 unsolved
Search for dead transitions found 0 dead transitions in 91173ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 92105 ms. Remains : 306/306 places, 8064/8064 transitions.
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Applied a total of 0 rules in 38 ms. Remains 306 /306 variables (removed 0) and now considering 8064/8064 (removed 0) transitions.
[2024-05-30 19:16:52] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 19:16:52] [INFO ] Invariant cache hit.
[2024-05-30 19:16:53] [INFO ] Implicit Places using invariants in 437 ms returned []
[2024-05-30 19:16:53] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 19:16:53] [INFO ] Invariant cache hit.
[2024-05-30 19:16:53] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:17:24] [INFO ] Performed 65/306 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 19:18:02] [INFO ] Performed 76/306 implicitness test of which 0 returned IMPLICIT in 68 seconds.
[2024-05-30 19:18:39] [INFO ] Performed 90/306 implicitness test of which 0 returned IMPLICIT in 105 seconds.
[2024-05-30 19:19:10] [INFO ] Performed 294/306 implicitness test of which 0 returned IMPLICIT in 136 seconds.
[2024-05-30 19:19:10] [INFO ] Timeout of Implicit test with SMT after 136 seconds.
[2024-05-30 19:19:10] [INFO ] Implicit Places using invariants and state equation in 136997 ms returned []
Implicit Place search using SMT with State Equation took 137439 ms to find 0 implicit places.
Running 8062 sub problems to find dead transitions.
[2024-05-30 19:19:10] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 19:19:10] [INFO ] Invariant cache hit.
[2024-05-30 19:19:10] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30092 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 8062/8062 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8062 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/3039 variables, and 1 constraints, problems are : Problem set: 0 solved, 8062 unsolved in 30115 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/8062 constraints, Known Traps: 0/0 constraints]
After SMT, in 90512ms problems are : Problem set: 0 solved, 8062 unsolved
Search for dead transitions found 0 dead transitions in 90578ms
Finished structural reductions in LTL mode , in 1 iterations and 228066 ms. Remains : 306/306 places, 8064/8064 transitions.
Treatment of property Szymanski-PT-b02-LTLFireability-07 finished in 920587 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||G(F(p1)))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 65 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2024-05-30 19:20:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2024-05-30 19:20:41] [INFO ] Computed 1 invariants in 15 ms
[2024-05-30 19:20:41] [INFO ] Implicit Places using invariants in 409 ms returned []
[2024-05-30 19:20:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:20:41] [INFO ] Invariant cache hit.
[2024-05-30 19:20:42] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:21:13] [INFO ] Performed 270/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 19:21:42] [INFO ] Implicit Places using invariants and state equation in 60249 ms returned []
Implicit Place search using SMT with State Equation took 60660 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2024-05-30 19:21:42] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:21:42] [INFO ] Invariant cache hit.
[2024-05-30 19:21:42] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30091 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 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 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30087 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 90785ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 90851ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 151586 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 174 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-08
Product exploration explored 100000 steps with 1 reset in 389 ms.
Product exploration explored 100000 steps with 0 reset in 409 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 5 factoid took 104 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 36687 steps (8 resets) in 151 ms. (241 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X p1))]
False Knowledge obtained : [(F (NOT p1))]
Knowledge based reduction with 5 factoid took 85 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 67 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 57 ms :[(NOT p1), (NOT p1)]
Support contains 2 out of 305 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 191 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2024-05-30 19:23:14] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:23:14] [INFO ] Invariant cache hit.
[2024-05-30 19:23:15] [INFO ] Implicit Places using invariants in 405 ms returned []
[2024-05-30 19:23:15] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:23:15] [INFO ] Invariant cache hit.
[2024-05-30 19:23:16] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:23:47] [INFO ] Performed 270/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 19:24:13] [INFO ] Implicit Places using invariants and state equation in 58472 ms returned []
Implicit Place search using SMT with State Equation took 58891 ms to find 0 implicit places.
[2024-05-30 19:24:14] [INFO ] Redundant transitions in 832 ms returned []
Running 7934 sub problems to find dead transitions.
[2024-05-30 19:24:14] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:24:14] [INFO ] Invariant cache hit.
[2024-05-30 19:24:14] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30099 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30085 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 91273ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 91337ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 151270 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p1, (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 75 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 67 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 40003 steps (8 resets) in 266 ms. (149 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 99 ms. (400 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 163157 steps, run timeout after 3001 ms. (steps per millisecond=54 ) properties seen :0 out of 1
Probabilistic random walk after 163157 steps, saw 54845 distinct states, run finished after 3001 ms. (steps per millisecond=54 ) properties seen :0
[2024-05-30 19:25:49] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:25:49] [INFO ] Invariant cache hit.
[2024-05-30 19:25:49] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3037 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/3037 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 1 unsolved in 803 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1487 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 2337ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 127 transitions
Reduce isomorphic transitions removed 127 transitions.
Iterating post reduction 0 with 127 rules applied. Total rules applied 127 place count 305 transition count 7809
Applied a total of 127 rules in 191 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7936 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 191 ms. Remains : 305/305 places, 7809/7936 transitions.
RANDOM walk for 40002 steps (8 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 175483 steps, run timeout after 3001 ms. (steps per millisecond=58 ) properties seen :0 out of 1
Probabilistic random walk after 175483 steps, saw 57865 distinct states, run finished after 3001 ms. (steps per millisecond=58 ) properties seen :0
[2024-05-30 19:25:54] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2024-05-30 19:25:54] [INFO ] Computed 2 invariants in 26 ms
[2024-05-30 19:25:54] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-30 19:25:55] [INFO ] Deduced a trap composed of 48 places in 354 ms of which 4 ms to minimize.
[2024-05-30 19:25:55] [INFO ] Deduced a trap composed of 57 places in 342 ms of which 3 ms to minimize.
[2024-05-30 19:25:55] [INFO ] Deduced a trap composed of 50 places in 349 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2605/2910 variables, 305/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2910 variables, 147/457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2910 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/2910 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2910/2910 variables, and 457 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2088 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-30 19:25:57] [INFO ] Deduced a trap composed of 44 places in 387 ms of which 2 ms to minimize.
[2024-05-30 19:25:57] [INFO ] Deduced a trap composed of 42 places in 394 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2605/2910 variables, 305/312 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2910 variables, 147/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2910 variables, 1/460 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2910/2910 variables, and 460 constraints, problems are : Problem set: 0 solved, 1 unsolved in 15106 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 17259ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 189 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 189 ms. Remains : 305/305 places, 7809/7809 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 181 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
[2024-05-30 19:26:12] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2024-05-30 19:26:12] [INFO ] Invariant cache hit.
[2024-05-30 19:26:12] [INFO ] Implicit Places using invariants in 426 ms returned []
[2024-05-30 19:26:12] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2024-05-30 19:26:12] [INFO ] Invariant cache hit.
[2024-05-30 19:26:13] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:26:43] [INFO ] Performed 281/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 19:26:55] [INFO ] Implicit Places using invariants and state equation in 42355 ms returned []
Implicit Place search using SMT with State Equation took 42783 ms to find 0 implicit places.
[2024-05-30 19:26:55] [INFO ] Redundant transitions in 644 ms returned []
Running 7807 sub problems to find dead transitions.
[2024-05-30 19:26:55] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2024-05-30 19:26:55] [INFO ] Invariant cache hit.
[2024-05-30 19:26:55] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2910 variables, and 2 constraints, problems are : Problem set: 0 solved, 7807 unsolved in 30093 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7807/7807 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7807 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2910 variables, and 2 constraints, problems are : Problem set: 0 solved, 7807 unsolved in 30094 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7807 constraints, Known Traps: 0/0 constraints]
After SMT, in 89468ms problems are : Problem set: 0 solved, 7807 unsolved
Search for dead transitions found 0 dead transitions in 89539ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 133174 ms. Remains : 305/305 places, 7809/7809 transitions.
Knowledge obtained : [p1, (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 99 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 85 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 140 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 98 ms :[(NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 0 reset in 536 ms.
Product exploration explored 100000 steps with 0 reset in 468 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 204 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2024-05-30 19:28:27] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2024-05-30 19:28:27] [INFO ] Computed 1 invariants in 22 ms
[2024-05-30 19:28:27] [INFO ] Implicit Places using invariants in 475 ms returned []
[2024-05-30 19:28:27] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:28:27] [INFO ] Invariant cache hit.
[2024-05-30 19:28:28] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:28:58] [INFO ] Performed 295/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 19:29:05] [INFO ] Implicit Places using invariants and state equation in 37917 ms returned []
Implicit Place search using SMT with State Equation took 38396 ms to find 0 implicit places.
[2024-05-30 19:29:06] [INFO ] Redundant transitions in 668 ms returned []
Running 7934 sub problems to find dead transitions.
[2024-05-30 19:29:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:29:06] [INFO ] Invariant cache hit.
[2024-05-30 19:29:06] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30104 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30098 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 92419ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 92484ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 131771 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b02-LTLFireability-08 finished in 597367 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(F(p0))||G(p1))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 230 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2024-05-30 19:30:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:30:39] [INFO ] Invariant cache hit.
[2024-05-30 19:30:39] [INFO ] Implicit Places using invariants in 449 ms returned []
[2024-05-30 19:30:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:30:39] [INFO ] Invariant cache hit.
[2024-05-30 19:30:40] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:31:11] [INFO ] Performed 289/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 19:31:37] [INFO ] Implicit Places using invariants and state equation in 57723 ms returned []
Implicit Place search using SMT with State Equation took 58175 ms to find 0 implicit places.
[2024-05-30 19:31:37] [INFO ] Redundant transitions in 659 ms returned []
Running 7934 sub problems to find dead transitions.
[2024-05-30 19:31:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:31:37] [INFO ] Invariant cache hit.
[2024-05-30 19:31:37] [INFO ] State equation strengthened by 147 read => feed constraints.
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30092 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30101 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 90227ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 90293ms
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 149379 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 67 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-09
Product exploration explored 100000 steps with 1 reset in 535 ms.
Product exploration explored 100000 steps with 0 reset in 399 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (AND p1 (NOT p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p0)), (X p1), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 106 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 60 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40002 steps (8 resets) in 225 ms. (177 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 255 ms. (156 steps per ms) remains 4/4 properties
BEST_FIRST walk for 37339 steps (8 resets) in 165 ms. (224 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p1 (NOT p0)), (X (AND p1 (NOT p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p0)), (X p1), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 p1))), (F p0), (F (NOT (AND (NOT p0) p1)))]
Knowledge based reduction with 9 factoid took 218 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 78 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 191 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2024-05-30 19:33:10] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:33:10] [INFO ] Invariant cache hit.
[2024-05-30 19:33:10] [INFO ] Implicit Places using invariants in 431 ms returned []
[2024-05-30 19:33:10] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:33:10] [INFO ] Invariant cache hit.
[2024-05-30 19:33:11] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:33:43] [INFO ] Performed 289/305 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2024-05-30 19:34:10] [INFO ] Implicit Places using invariants and state equation in 60026 ms returned []
Implicit Place search using SMT with State Equation took 60457 ms to find 0 implicit places.
[2024-05-30 19:34:11] [INFO ] Redundant transitions in 680 ms returned []
Running 7934 sub problems to find dead transitions.
[2024-05-30 19:34:11] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:34:11] [INFO ] Invariant cache hit.
[2024-05-30 19:34:11] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30111 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30088 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 92380ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 92448ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 153799 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p0) p1)), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 96 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 71 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (8 resets) in 961 ms. (41 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
[2024-05-30 19:35:44] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:35:44] [INFO ] Invariant cache hit.
[2024-05-30 19:35:44] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1055 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3037 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3037/3037 variables, and 453 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1455 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 2549ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 127 transitions
Reduce isomorphic transitions removed 127 transitions.
Iterating post reduction 0 with 127 rules applied. Total rules applied 127 place count 305 transition count 7809
Applied a total of 127 rules in 190 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7936 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 305/305 places, 7809/7936 transitions.
RANDOM walk for 40001 steps (8 resets) in 151 ms. (263 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 166344 steps, run timeout after 3001 ms. (steps per millisecond=55 ) properties seen :0 out of 1
Probabilistic random walk after 166344 steps, saw 55517 distinct states, run finished after 3001 ms. (steps per millisecond=55 ) properties seen :0
[2024-05-30 19:35:50] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2024-05-30 19:35:50] [INFO ] Computed 2 invariants in 32 ms
[2024-05-30 19:35:50] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-30 19:35:50] [INFO ] Deduced a trap composed of 57 places in 429 ms of which 2 ms to minimize.
[2024-05-30 19:35:51] [INFO ] Deduced a trap composed of 49 places in 405 ms of which 2 ms to minimize.
[2024-05-30 19:35:51] [INFO ] Deduced a trap composed of 98 places in 441 ms of which 2 ms to minimize.
[2024-05-30 19:35:52] [INFO ] Deduced a trap composed of 137 places in 404 ms of which 1 ms to minimize.
[2024-05-30 19:35:52] [INFO ] Deduced a trap composed of 50 places in 298 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2605/2910 variables, 305/312 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2910 variables, 147/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/2910 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/2910 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2910/2910 variables, and 459 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2600 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 303/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-30 19:35:53] [INFO ] Deduced a trap composed of 38 places in 501 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2910/2910 variables, and 313 constraints, problems are : Problem set: 0 solved, 1 unsolved in 6217 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 305/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 6/6 constraints]
After SMT, in 8875ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 10 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 205 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 206 ms. Remains : 305/305 places, 7809/7809 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 196 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
[2024-05-30 19:35:59] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2024-05-30 19:35:59] [INFO ] Invariant cache hit.
[2024-05-30 19:35:59] [INFO ] Implicit Places using invariants in 437 ms returned []
[2024-05-30 19:35:59] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2024-05-30 19:35:59] [INFO ] Invariant cache hit.
[2024-05-30 19:36:00] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:36:30] [INFO ] Performed 286/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 19:36:34] [INFO ] Implicit Places using invariants and state equation in 34704 ms returned []
Implicit Place search using SMT with State Equation took 35141 ms to find 0 implicit places.
[2024-05-30 19:36:35] [INFO ] Redundant transitions in 660 ms returned []
Running 7807 sub problems to find dead transitions.
[2024-05-30 19:36:35] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2024-05-30 19:36:35] [INFO ] Invariant cache hit.
[2024-05-30 19:36:35] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2910 variables, and 2 constraints, problems are : Problem set: 0 solved, 7807 unsolved in 30102 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7807/7807 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7807 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2910 variables, and 2 constraints, problems are : Problem set: 0 solved, 7807 unsolved in 30089 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7807 constraints, Known Traps: 0/0 constraints]
After SMT, in 91001ms problems are : Problem set: 0 solved, 7807 unsolved
Search for dead transitions found 0 dead transitions in 91062ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 127080 ms. Remains : 305/305 places, 7809/7809 transitions.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p0) p1)), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 p1))), (F (NOT (AND (NOT p0) p1)))]
Knowledge based reduction with 9 factoid took 198 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 72 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 67 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 81 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 398 ms.
Product exploration explored 100000 steps with 0 reset in 397 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 186 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2024-05-30 19:38:07] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2024-05-30 19:38:07] [INFO ] Computed 1 invariants in 25 ms
[2024-05-30 19:38:08] [INFO ] Implicit Places using invariants in 448 ms returned []
[2024-05-30 19:38:08] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:38:08] [INFO ] Invariant cache hit.
[2024-05-30 19:38:09] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:38:40] [INFO ] Performed 289/305 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2024-05-30 19:39:03] [INFO ] Implicit Places using invariants and state equation in 55670 ms returned []
Implicit Place search using SMT with State Equation took 56121 ms to find 0 implicit places.
[2024-05-30 19:39:04] [INFO ] Redundant transitions in 658 ms returned []
Running 7934 sub problems to find dead transitions.
[2024-05-30 19:39:04] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:39:04] [INFO ] Invariant cache hit.
[2024-05-30 19:39:04] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30091 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30092 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 92580ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 92647ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 149627 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b02-LTLFireability-09 finished in 598660 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))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 208 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2024-05-30 19:40:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:40:37] [INFO ] Invariant cache hit.
[2024-05-30 19:40:38] [INFO ] Implicit Places using invariants in 445 ms returned []
[2024-05-30 19:40:38] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:40:38] [INFO ] Invariant cache hit.
[2024-05-30 19:40:39] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:41:09] [INFO ] Performed 283/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 19:41:34] [INFO ] Implicit Places using invariants and state equation in 56011 ms returned []
Implicit Place search using SMT with State Equation took 56458 ms to find 0 implicit places.
[2024-05-30 19:41:34] [INFO ] Redundant transitions in 660 ms returned []
Running 7934 sub problems to find dead transitions.
[2024-05-30 19:41:34] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:41:34] [INFO ] Invariant cache hit.
[2024-05-30 19:41:34] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30093 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30104 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 91529ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 91595ms
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 148943 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-10
Product exploration explored 100000 steps with 0 reset in 466 ms.
Stack based approach found an accepted trace after 58 steps with 0 reset with depth 59 and stack size 59 in 1 ms.
FORMULA Szymanski-PT-b02-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b02-LTLFireability-10 finished in 149473 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))'
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 204 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2024-05-30 19:43:07] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:43:07] [INFO ] Invariant cache hit.
[2024-05-30 19:43:07] [INFO ] Implicit Places using invariants in 450 ms returned []
[2024-05-30 19:43:07] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:43:07] [INFO ] Invariant cache hit.
[2024-05-30 19:43:08] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 19:43:38] [INFO ] Performed 296/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 19:43:42] [INFO ] Implicit Places using invariants and state equation in 34852 ms returned []
Implicit Place search using SMT with State Equation took 35318 ms to find 0 implicit places.
[2024-05-30 19:43:43] [INFO ] Redundant transitions in 665 ms returned []
Running 7934 sub problems to find dead transitions.
[2024-05-30 19:43:43] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 19:43:43] [INFO ] Invariant cache hit.
[2024-05-30 19:43:43] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30090 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Szymanski-PT-b02"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is Szymanski-PT-b02, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r399-tall-171690531300860"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b02.tgz
mv Szymanski-PT-b02 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;