Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915589100084.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is Szymanski-PT-a02, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915589100084
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 101K May 29 14:33 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Szymanski-PT-a02-LTLFireability-00
FORMULA_NAME Szymanski-PT-a02-LTLFireability-01
FORMULA_NAME Szymanski-PT-a02-LTLFireability-02
FORMULA_NAME Szymanski-PT-a02-LTLFireability-03
FORMULA_NAME Szymanski-PT-a02-LTLFireability-04
FORMULA_NAME Szymanski-PT-a02-LTLFireability-05
FORMULA_NAME Szymanski-PT-a02-LTLFireability-06
FORMULA_NAME Szymanski-PT-a02-LTLFireability-07
FORMULA_NAME Szymanski-PT-a02-LTLFireability-08
FORMULA_NAME Szymanski-PT-a02-LTLFireability-09
FORMULA_NAME Szymanski-PT-a02-LTLFireability-10
FORMULA_NAME Szymanski-PT-a02-LTLFireability-11
FORMULA_NAME Szymanski-PT-a02-LTLFireability-12
FORMULA_NAME Szymanski-PT-a02-LTLFireability-13
FORMULA_NAME Szymanski-PT-a02-LTLFireability-14
FORMULA_NAME Szymanski-PT-a02-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749169030371

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-a02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-06 00:17:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-06 00:17:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 00:17:12] [INFO ] Load time of PNML (sax parser for PT used): 84 ms
[2025-06-06 00:17:12] [INFO ] Transformed 61 places.
[2025-06-06 00:17:12] [INFO ] Transformed 224 transitions.
[2025-06-06 00:17:12] [INFO ] Parsed PT model containing 61 places and 224 transitions and 900 arcs in 189 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 8 transitions.
FORMULA Szymanski-PT-a02-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-a02-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-a02-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-a02-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-a02-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-a02-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 21 out of 49 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 49/49 places, 216/216 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 47 transition count 216
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 6 place count 43 transition count 200
Iterating global reduction 1 with 4 rules applied. Total rules applied 10 place count 43 transition count 200
Applied a total of 10 rules in 19 ms. Remains 43 /49 variables (removed 6) and now considering 200/216 (removed 16) transitions.
[2025-06-06 00:17:12] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
// Phase 1: matrix 75 rows 43 cols
[2025-06-06 00:17:12] [INFO ] Computed 1 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:17:12] [INFO ] Implicit Places using invariants in 193 ms returned []
[2025-06-06 00:17:12] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:17:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:17:12] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:17:12] [INFO ] Implicit Places using invariants and state equation in 128 ms returned []
Implicit Place search using SMT with State Equation took 369 ms to find 0 implicit places.
Running 198 sub problems to find dead transitions.
[2025-06-06 00:17:12] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:17:12] [INFO ] Invariant cache hit.
[2025-06-06 00:17:12] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 0/118 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 118/118 variables, and 53 constraints, problems are : Problem set: 0 solved, 198 unsolved in 5991 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 198/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 0/118 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Int declared 118/118 variables, and 251 constraints, problems are : Problem set: 0 solved, 198 unsolved in 8029 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14125ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 14142ms
Starting structural reductions in LTL mode, iteration 1 : 43/49 places, 200/216 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14552 ms. Remains : 43/49 places, 200/216 transitions.
Support contains 21 out of 43 places after structural reductions.
[2025-06-06 00:17:26] [INFO ] Flatten gal took : 34 ms
[2025-06-06 00:17:26] [INFO ] Flatten gal took : 15 ms
[2025-06-06 00:17:27] [INFO ] Input system was already deterministic with 200 transitions.
RANDOM walk for 40000 steps (106 resets) in 1464 ms. (27 steps per ms) remains 10/22 properties
BEST_FIRST walk for 40004 steps (36 resets) in 144 ms. (275 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 161 ms. (246 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (9 resets) in 103 ms. (384 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (28 resets) in 90 ms. (439 steps per ms) remains 7/10 properties
BEST_FIRST walk for 40003 steps (9 resets) in 126 ms. (314 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (36 resets) in 115 ms. (344 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (38 resets) in 80 ms. (493 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (36 resets) in 91 ms. (434 steps per ms) remains 7/7 properties
[2025-06-06 00:17:27] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:17:27] [INFO ] Invariant cache hit.
[2025-06-06 00:17:27] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 31/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp9 is UNSAT
At refinement iteration 3 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/53 constraints. Problems are: Problem set: 2 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/118 variables, 0/53 constraints. Problems are: Problem set: 2 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 118/118 variables, and 53 constraints, problems are : Problem set: 2 solved, 5 unsolved in 130 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 34/43 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 5/58 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/118 variables, 0/58 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/118 variables, 0/58 constraints. Problems are: Problem set: 2 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 118/118 variables, and 58 constraints, problems are : Problem set: 2 solved, 5 unsolved in 273 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 5/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 409ms problems are : Problem set: 2 solved, 5 unsolved
Parikh walk visited 0 properties in 5 ms.
Support contains 9 out of 43 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 43/43 places, 200/200 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 43 transition count 199
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 42 transition count 195
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 42 transition count 195
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 1 with 16 rules applied. Total rules applied 19 place count 42 transition count 179
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 21 place count 40 transition count 171
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 40 transition count 171
Applied a total of 23 rules in 31 ms. Remains 40 /43 variables (removed 3) and now considering 171/200 (removed 29) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 40/43 places, 171/200 transitions.
RANDOM walk for 40001 steps (15 resets) in 198 ms. (201 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (9 resets) in 81 ms. (487 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (19 resets) in 59 ms. (666 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (14 resets) in 84 ms. (470 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (12 resets) in 81 ms. (487 steps per ms) remains 5/5 properties
Finished probabilistic random walk after 130586 steps, run visited all 5 properties in 498 ms. (steps per millisecond=262 )
Probabilistic random walk after 130586 steps, saw 25302 distinct states, run finished after 502 ms. (steps per millisecond=260 ) properties seen :5
Successfully simplified 2 atomic propositions for a total of 10 simplifications.
FORMULA Szymanski-PT-a02-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 8 stabilizing places and 32 stable transitions
FORMULA Szymanski-PT-a02-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!X((F(p0) U !p1)) U X(X(p2)))))'
Support contains 8 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 200/200 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 42 transition count 196
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 42 transition count 196
Applied a total of 2 rules in 3 ms. Remains 42 /43 variables (removed 1) and now considering 196/200 (removed 4) transitions.
[2025-06-06 00:17:29] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
// Phase 1: matrix 74 rows 42 cols
[2025-06-06 00:17:29] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:17:29] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-06 00:17:29] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:17:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:17:29] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:17:29] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 111 ms to find 0 implicit places.
Running 194 sub problems to find dead transitions.
[2025-06-06 00:17:29] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:17:29] [INFO ] Invariant cache hit.
[2025-06-06 00:17:29] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (OVERLAPS) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Real declared 116/116 variables, and 52 constraints, problems are : Problem set: 0 solved, 194 unsolved in 2912 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 194 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 194/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 6 (OVERLAPS) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Int declared 116/116 variables, and 246 constraints, problems are : Problem set: 0 solved, 194 unsolved in 10597 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13549ms problems are : Problem set: 0 solved, 194 unsolved
Search for dead transitions found 0 dead transitions in 13550ms
Starting structural reductions in LTL mode, iteration 1 : 42/43 places, 196/200 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13665 ms. Remains : 42/43 places, 196/200 transitions.
Stuttering acceptance computed with spot in 643 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) (NOT p2)), true, p0, (NOT p1), (AND p0 (NOT p1))]
Running random walk in product with property : Szymanski-PT-a02-LTLFireability-01
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 2 ms.
FORMULA Szymanski-PT-a02-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a02-LTLFireability-01 finished in 14396 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(((p0 U X(p0))&&X(p1)))) U (p0 U p2)))'
Support contains 6 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 200/200 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 42 transition count 196
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 42 transition count 196
Applied a total of 2 rules in 8 ms. Remains 42 /43 variables (removed 1) and now considering 196/200 (removed 4) transitions.
[2025-06-06 00:17:43] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:17:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:17:43] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-06-06 00:17:43] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:17:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:17:43] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:17:43] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 130 ms to find 0 implicit places.
Running 194 sub problems to find dead transitions.
[2025-06-06 00:17:43] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:17:43] [INFO ] Invariant cache hit.
[2025-06-06 00:17:43] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (OVERLAPS) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Real declared 116/116 variables, and 52 constraints, problems are : Problem set: 0 solved, 194 unsolved in 2843 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 194 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 194/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 6 (OVERLAPS) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Int declared 116/116 variables, and 246 constraints, problems are : Problem set: 0 solved, 194 unsolved in 10574 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13459ms problems are : Problem set: 0 solved, 194 unsolved
Search for dead transitions found 0 dead transitions in 13460ms
Starting structural reductions in LTL mode, iteration 1 : 42/43 places, 196/200 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13598 ms. Remains : 42/43 places, 196/200 transitions.
Stuttering acceptance computed with spot in 483 ms :[(NOT p2), (OR (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0), true, (AND (NOT p0) (NOT p2)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND p1 (NOT p2))]
Running random walk in product with property : Szymanski-PT-a02-LTLFireability-05
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-a02-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a02-LTLFireability-05 finished in 14109 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((X(p0)&&G(F(p1))) U X(!(p1 U p0)))&&F(p2)))'
Support contains 5 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 200/200 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 42 transition count 196
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 42 transition count 196
Applied a total of 2 rules in 7 ms. Remains 42 /43 variables (removed 1) and now considering 196/200 (removed 4) transitions.
[2025-06-06 00:17:57] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:17:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:17:57] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-06 00:17:57] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:17:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:17:57] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:17:57] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
Running 194 sub problems to find dead transitions.
[2025-06-06 00:17:57] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:17:57] [INFO ] Invariant cache hit.
[2025-06-06 00:17:57] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (OVERLAPS) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Real declared 116/116 variables, and 52 constraints, problems are : Problem set: 0 solved, 194 unsolved in 2860 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 194 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 194/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 6 (OVERLAPS) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Int declared 116/116 variables, and 246 constraints, problems are : Problem set: 0 solved, 194 unsolved in 10243 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13132ms problems are : Problem set: 0 solved, 194 unsolved
Search for dead transitions found 0 dead transitions in 13132ms
Starting structural reductions in LTL mode, iteration 1 : 42/43 places, 196/200 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13244 ms. Remains : 42/43 places, 196/200 transitions.
Stuttering acceptance computed with spot in 306 ms :[(OR (NOT p2) p0), (NOT p2), p0, p0, (NOT p1), (NOT p1), true]
Running random walk in product with property : Szymanski-PT-a02-LTLFireability-07
Stuttering criterion allowed to conclude after 77 steps with 0 reset in 3 ms.
FORMULA Szymanski-PT-a02-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a02-LTLFireability-07 finished in 13574 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 200/200 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 42 transition count 196
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 42 transition count 196
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 18 place count 42 transition count 180
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 20 place count 40 transition count 172
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 40 transition count 172
Applied a total of 22 rules in 17 ms. Remains 40 /43 variables (removed 3) and now considering 172/200 (removed 28) transitions.
[2025-06-06 00:18:11] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
// Phase 1: matrix 68 rows 40 cols
[2025-06-06 00:18:11] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:18:11] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-06 00:18:11] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
[2025-06-06 00:18:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:18:11] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:18:11] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:18:11] [INFO ] Redundant transitions in 5 ms returned []
Running 170 sub problems to find dead transitions.
[2025-06-06 00:18:11] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
[2025-06-06 00:18:11] [INFO ] Invariant cache hit.
[2025-06-06 00:18:11] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (OVERLAPS) 68/108 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 9/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 0/108 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 108/108 variables, and 50 constraints, problems are : Problem set: 0 solved, 170 unsolved in 3112 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 40/40 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (OVERLAPS) 68/108 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 9/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 170/220 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (OVERLAPS) 0/108 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Int declared 108/108 variables, and 220 constraints, problems are : Problem set: 0 solved, 170 unsolved in 8533 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 40/40 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11680ms problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 11681ms
Starting structural reductions in SI_LTL mode, iteration 1 : 40/43 places, 172/200 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11818 ms. Remains : 40/43 places, 172/200 transitions.
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-a02-LTLFireability-08
Product exploration explored 100000 steps with 417 reset in 224 ms.
Product exploration explored 100000 steps with 428 reset in 179 ms.
Computed a total of 8 stabilizing places and 32 stable transitions
Computed a total of 8 stabilizing places and 32 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 81 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
RANDOM walk for 40000 steps (59 resets) in 250 ms. (159 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (34 resets) in 153 ms. (259 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 132059 steps, run visited all 1 properties in 213 ms. (steps per millisecond=619 )
Probabilistic random walk after 132059 steps, saw 26778 distinct states, run finished after 213 ms. (steps per millisecond=619 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 106 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Support contains 2 out of 40 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 40/40 places, 172/172 transitions.
Applied a total of 0 rules in 8 ms. Remains 40 /40 variables (removed 0) and now considering 172/172 (removed 0) transitions.
[2025-06-06 00:18:24] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
[2025-06-06 00:18:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:18:24] [INFO ] Implicit Places using invariants in 48 ms returned []
[2025-06-06 00:18:24] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
[2025-06-06 00:18:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:18:24] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:18:24] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:18:24] [INFO ] Redundant transitions in 4 ms returned []
Running 170 sub problems to find dead transitions.
[2025-06-06 00:18:24] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
[2025-06-06 00:18:24] [INFO ] Invariant cache hit.
[2025-06-06 00:18:24] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (OVERLAPS) 68/108 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 9/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 0/108 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 108/108 variables, and 50 constraints, problems are : Problem set: 0 solved, 170 unsolved in 3044 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 40/40 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (OVERLAPS) 68/108 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 9/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 170/220 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (OVERLAPS) 0/108 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Int declared 108/108 variables, and 220 constraints, problems are : Problem set: 0 solved, 170 unsolved in 8609 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 40/40 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11674ms problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 11674ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 11805 ms. Remains : 40/40 places, 172/172 transitions.
Computed a total of 8 stabilizing places and 32 stable transitions
Computed a total of 8 stabilizing places and 32 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 97 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
RANDOM walk for 40000 steps (83 resets) in 136 ms. (291 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (33 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 132059 steps, run visited all 1 properties in 174 ms. (steps per millisecond=758 )
Probabilistic random walk after 132059 steps, saw 26778 distinct states, run finished after 174 ms. (steps per millisecond=758 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 96 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 460 reset in 119 ms.
Product exploration explored 100000 steps with 414 reset in 147 ms.
Built C files in :
/tmp/ltsmin9038882826920638676
[2025-06-06 00:18:37] [INFO ] Computing symmetric may disable matrix : 172 transitions.
[2025-06-06 00:18:37] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:18:37] [INFO ] Computing symmetric may enable matrix : 172 transitions.
[2025-06-06 00:18:37] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:18:37] [INFO ] Computing Do-Not-Accords matrix : 172 transitions.
[2025-06-06 00:18:37] [INFO ] Computation of Completed DNA matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:18:37] [INFO ] Built C files in 43ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9038882826920638676
Running compilation step : cd /tmp/ltsmin9038882826920638676;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 529 ms.
Running link step : cd /tmp/ltsmin9038882826920638676;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 54 ms.
Running LTSmin : cd /tmp/ltsmin9038882826920638676;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased8095180027595732904.hoa' '--buchi-type=spotba'
LTSmin run took 1663 ms.
FORMULA Szymanski-PT-a02-LTLFireability-08 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property Szymanski-PT-a02-LTLFireability-08 finished in 27983 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||X(F((p1||G(p2))))))'
Support contains 5 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 200/200 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 42 transition count 196
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 42 transition count 196
Applied a total of 2 rules in 6 ms. Remains 42 /43 variables (removed 1) and now considering 196/200 (removed 4) transitions.
[2025-06-06 00:18:39] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
// Phase 1: matrix 74 rows 42 cols
[2025-06-06 00:18:39] [INFO ] Computed 1 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:18:39] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-06 00:18:39] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:18:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:18:39] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:18:39] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Running 194 sub problems to find dead transitions.
[2025-06-06 00:18:39] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:18:39] [INFO ] Invariant cache hit.
[2025-06-06 00:18:39] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (OVERLAPS) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Real declared 116/116 variables, and 52 constraints, problems are : Problem set: 0 solved, 194 unsolved in 3036 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 194 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 194/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 6 (OVERLAPS) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Int declared 116/116 variables, and 246 constraints, problems are : Problem set: 0 solved, 194 unsolved in 10473 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13544ms problems are : Problem set: 0 solved, 194 unsolved
Search for dead transitions found 0 dead transitions in 13545ms
Starting structural reductions in LTL mode, iteration 1 : 42/43 places, 196/200 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13663 ms. Remains : 42/43 places, 196/200 transitions.
Stuttering acceptance computed with spot in 82 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : Szymanski-PT-a02-LTLFireability-10
Stuttering criterion allowed to conclude after 849 steps with 25 reset in 7 ms.
FORMULA Szymanski-PT-a02-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a02-LTLFireability-10 finished in 13769 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((G(!p0) U (p1||X(p1))) U p1)))'
Support contains 4 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 200/200 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 42 transition count 196
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 42 transition count 196
Applied a total of 2 rules in 2 ms. Remains 42 /43 variables (removed 1) and now considering 196/200 (removed 4) transitions.
[2025-06-06 00:18:53] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:18:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:18:53] [INFO ] Implicit Places using invariants in 129 ms returned []
[2025-06-06 00:18:53] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:18:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:18:53] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:18:53] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 203 ms to find 0 implicit places.
Running 194 sub problems to find dead transitions.
[2025-06-06 00:18:53] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:18:53] [INFO ] Invariant cache hit.
[2025-06-06 00:18:53] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (OVERLAPS) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Real declared 116/116 variables, and 52 constraints, problems are : Problem set: 0 solved, 194 unsolved in 2967 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 194 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 194/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 6 (OVERLAPS) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Int declared 116/116 variables, and 246 constraints, problems are : Problem set: 0 solved, 194 unsolved in 10545 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13532ms problems are : Problem set: 0 solved, 194 unsolved
Search for dead transitions found 0 dead transitions in 13533ms
Starting structural reductions in LTL mode, iteration 1 : 42/43 places, 196/200 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13739 ms. Remains : 42/43 places, 196/200 transitions.
Stuttering acceptance computed with spot in 230 ms :[(NOT p1), (NOT p1), (AND p0 (NOT p1)), (NOT p1), true, p0]
Running random walk in product with property : Szymanski-PT-a02-LTLFireability-12
Entered a terminal (fully accepting) state of product in 17 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-a02-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a02-LTLFireability-12 finished in 13998 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0 U p1))||(X(p2) U p0)))'
Support contains 5 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 200/200 transitions.
Applied a total of 0 rules in 2 ms. Remains 43 /43 variables (removed 0) and now considering 200/200 (removed 0) transitions.
[2025-06-06 00:19:07] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
// Phase 1: matrix 75 rows 43 cols
[2025-06-06 00:19:07] [INFO ] Computed 1 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:19:07] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-06 00:19:07] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:19:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:19:07] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:19:07] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 129 ms to find 0 implicit places.
Running 198 sub problems to find dead transitions.
[2025-06-06 00:19:07] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:19:07] [INFO ] Invariant cache hit.
[2025-06-06 00:19:07] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 0/118 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 118/118 variables, and 53 constraints, problems are : Problem set: 0 solved, 198 unsolved in 5753 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 198/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 0/118 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Int declared 118/118 variables, and 251 constraints, problems are : Problem set: 0 solved, 198 unsolved in 8144 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13925ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 13926ms
Finished structural reductions in LTL mode , in 1 iterations and 14058 ms. Remains : 43/43 places, 200/200 transitions.
Stuttering acceptance computed with spot in 168 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (NOT p0))]
Running random walk in product with property : Szymanski-PT-a02-LTLFireability-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Szymanski-PT-a02-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a02-LTLFireability-13 finished in 14243 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 200/200 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 42 transition count 196
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 42 transition count 196
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 0 with 12 rules applied. Total rules applied 14 place count 42 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 41 transition count 180
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 41 transition count 180
Applied a total of 16 rules in 14 ms. Remains 41 /43 variables (removed 2) and now considering 180/200 (removed 20) transitions.
[2025-06-06 00:19:21] [INFO ] Flow matrix only has 70 transitions (discarded 110 similar events)
// Phase 1: matrix 70 rows 41 cols
[2025-06-06 00:19:21] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:19:21] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-06 00:19:21] [INFO ] Flow matrix only has 70 transitions (discarded 110 similar events)
[2025-06-06 00:19:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:19:21] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:19:21] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:19:21] [INFO ] Redundant transitions in 6 ms returned []
Running 178 sub problems to find dead transitions.
[2025-06-06 00:19:21] [INFO ] Flow matrix only has 70 transitions (discarded 110 similar events)
[2025-06-06 00:19:21] [INFO ] Invariant cache hit.
[2025-06-06 00:19:21] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 2 (OVERLAPS) 70/111 variables, 41/42 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/111 variables, 9/51 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 5 (OVERLAPS) 0/111 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 178 unsolved
No progress, stopping.
After SMT solving in domain Real declared 111/111 variables, and 51 constraints, problems are : Problem set: 0 solved, 178 unsolved in 3314 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 41/41 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 178/178 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 178 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 2 (OVERLAPS) 70/111 variables, 41/42 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/111 variables, 9/51 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 178/229 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 6 (OVERLAPS) 0/111 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 178 unsolved
No progress, stopping.
After SMT solving in domain Int declared 111/111 variables, and 229 constraints, problems are : Problem set: 0 solved, 178 unsolved in 7632 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 41/41 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 178/178 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10970ms problems are : Problem set: 0 solved, 178 unsolved
Search for dead transitions found 0 dead transitions in 10976ms
Starting structural reductions in SI_LTL mode, iteration 1 : 41/43 places, 180/200 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11110 ms. Remains : 41/43 places, 180/200 transitions.
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-a02-LTLFireability-14
Stuttering criterion allowed to conclude after 73 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-a02-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a02-LTLFireability-14 finished in 11173 ms.
All properties solved by simple procedures.
Total runtime 140708 ms.

BK_STOP 1749169172595

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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-a02"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is Szymanski-PT-a02, 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 r240-tall-174915589100084"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-a02.tgz
mv Szymanski-PT-a02 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.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 ;