About the Execution of ITS-Tools for DNAwalker-PT-08ringLL
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 1288916.00 | 0.00 | 0.00 | TTFFFFFFTFFFFTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r072-tall-174860067400411.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 DNAwalker-PT-08ringLL, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860067400411
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 592K
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 106K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 9 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 112K May 29 14:32 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 DNAwalker-PT-08ringLL-LTLCardinality-00
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-01
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-02
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-03
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-04
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-05
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-06
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-07
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-08
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-09
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-10
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-11
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-12
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-13
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-14
FORMULA_NAME DNAwalker-PT-08ringLL-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748712978667
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-08ringLL
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-05-31 17:36:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-31 17:36:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 17:36:19] [INFO ] Load time of PNML (sax parser for PT used): 72 ms
[2025-05-31 17:36:20] [INFO ] Transformed 27 places.
[2025-05-31 17:36:20] [INFO ] Transformed 260 transitions.
[2025-05-31 17:36:20] [INFO ] Parsed PT model containing 27 places and 260 transitions and 760 arcs in 155 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 23 out of 27 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 9 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:36:20] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2025-05-31 17:36:20] [INFO ] Computed 0 invariants in 7 ms
[2025-05-31 17:36:20] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 285/286 variables, and 98 constraints, problems are : Problem set: 0 solved, 234 unsolved in 20037 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 20020 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40274ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 40294ms
[2025-05-31 17:37:00] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:37:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:37:00] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-31 17:37:00] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:37:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:37:00] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-05-31 17:37:00] [INFO ] Implicit Places using invariants and state equation in 171 ms returned []
Implicit Place search using SMT with State Equation took 235 ms to find 0 implicit places.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:37:00] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:37:00] [INFO ] Invariant cache hit.
[2025-05-31 17:37:00] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30013 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30023 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60116ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 60119ms
Finished structural reductions in LTL mode , in 1 iterations and 100711 ms. Remains : 27/27 places, 260/260 transitions.
Support contains 23 out of 27 places after structural reductions.
[2025-05-31 17:38:01] [INFO ] Flatten gal took : 50 ms
[2025-05-31 17:38:01] [INFO ] Flatten gal took : 56 ms
[2025-05-31 17:38:01] [INFO ] Input system was already deterministic with 260 transitions.
Support contains 21 out of 27 places (down from 23) after GAL structural reductions.
RANDOM walk for 40000 steps (3262 resets) in 1538 ms. (25 steps per ms) remains 4/25 properties
BEST_FIRST walk for 40004 steps (227 resets) in 88 ms. (449 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (219 resets) in 107 ms. (370 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (190 resets) in 90 ms. (439 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (257 resets) in 76 ms. (519 steps per ms) remains 4/4 properties
[2025-05-31 17:38:02] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:38:02] [INFO ] Invariant cache hit.
[2025-05-31 17:38:02] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem AtomicPropp3 is UNSAT
Problem AtomicPropp18 is UNSAT
At refinement iteration 1 (OVERLAPS) 76/81 variables, 5/5 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/5 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 196/277 variables, 18/23 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/277 variables, 71/94 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/277 variables, 0/94 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/285 variables, 4/98 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/286 variables, 0/99 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/286 variables, 0/99 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 2 solved, 2 unsolved in 182 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 61/63 variables, 2/2 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 210/273 variables, 19/21 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 273/286 variables, and 92 constraints, problems are : Problem set: 2 solved, 2 unsolved in 2059 ms.
Refiners :[State Equation: 21/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2276ms problems are : Problem set: 2 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 27 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 27/27 places, 260/260 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 27 transition count 252
Reduce places removed 6 places and 6 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 14 place count 21 transition count 246
Applied a total of 14 rules in 29 ms. Remains 21 /27 variables (removed 6) and now considering 246/260 (removed 14) transitions.
Running 226 sub problems to find dead transitions.
// Phase 1: matrix 246 rows 21 cols
[2025-05-31 17:38:04] [INFO ] Computed 0 invariants in 3 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/267 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (OVERLAPS) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 226 unsolved in 3426 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 226 unsolved in 20019 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 0/226 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23519ms problems are : Problem set: 0 solved, 226 unsolved
Search for dead transitions found 0 dead transitions in 23521ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23551 ms. Remains : 21/27 places, 246/260 transitions.
RANDOM walk for 40000 steps (5067 resets) in 261 ms. (152 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (472 resets) in 52 ms. (754 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (449 resets) in 78 ms. (506 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1251560 steps, run timeout after 3001 ms. (steps per millisecond=417 ) properties seen :0 out of 2
Probabilistic random walk after 1251560 steps, saw 238465 distinct states, run finished after 3007 ms. (steps per millisecond=416 ) properties seen :0
[2025-05-31 17:38:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 61/63 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 204/267 variables, 19/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 2 unsolved in 103 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 61/63 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 2 unsolved in 18052 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18169ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 246/246 transitions.
Applied a total of 0 rules in 6 ms. Remains 21 /21 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 21/21 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 246/246 transitions.
Applied a total of 0 rules in 6 ms. Remains 21 /21 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2025-05-31 17:38:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:38:49] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-05-31 17:38:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:38:49] [INFO ] Implicit Places using invariants and state equation in 244 ms returned [6, 16]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 21 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 22 transitions.
Implicit Place search using SMT with State Equation took 301 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/21 places, 224/246 transitions.
Applied a total of 0 rules in 16 ms. Remains 19 /19 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 324 ms. Remains : 19/21 places, 224/246 transitions.
RANDOM walk for 40000 steps (2423 resets) in 716 ms. (55 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (337 resets) in 55 ms. (714 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (324 resets) in 70 ms. (563 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1219862 steps, run timeout after 3001 ms. (steps per millisecond=406 ) properties seen :0 out of 2
Probabilistic random walk after 1219862 steps, saw 246397 distinct states, run finished after 3001 ms. (steps per millisecond=406 ) properties seen :0
// Phase 1: matrix 224 rows 19 cols
[2025-05-31 17:38:52] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 60/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 181/243 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/243 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 243/243 variables, and 19 constraints, problems are : Problem set: 0 solved, 2 unsolved in 96 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 60/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 243/243 variables, and 19 constraints, problems are : Problem set: 0 solved, 2 unsolved in 30070 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30173ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 224/224 transitions.
Applied a total of 0 rules in 11 ms. Remains 19 /19 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 19/19 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2025-05-31 17:39:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:39:22] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-05-31 17:39:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:39:23] [INFO ] Implicit Places using invariants and state equation in 198 ms returned []
Implicit Place search using SMT with State Equation took 251 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:39:23] [INFO ] Redundant transitions in 8 ms returned []
Running 206 sub problems to find dead transitions.
[2025-05-31 17:39:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (OVERLAPS) 0/243 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 243/243 variables, and 19 constraints, problems are : Problem set: 0 solved, 206 unsolved in 2798 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 243/243 variables, and 19 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30018 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 32872ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 32872ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33140 ms. Remains : 19/19 places, 224/224 transitions.
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 11 simplifications.
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 27 stabilizing places and 258 stable transitions
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-00 TRUE 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' '!(G((F(p0)&&F(G(p1)))))'
Support contains 3 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 5 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:39:56] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2025-05-31 17:39:56] [INFO ] Computed 0 invariants in 2 ms
[2025-05-31 17:39:56] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
SMT process timed out in 20103ms, After SMT, problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 20105ms
[2025-05-31 17:40:16] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:40:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:40:16] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-31 17:40:16] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:40:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:40:16] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-05-31 17:40:16] [INFO ] Implicit Places using invariants and state equation in 295 ms returned []
Implicit Place search using SMT with State Equation took 351 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:40:16] [INFO ] Redundant transitions in 10 ms returned []
Running 234 sub problems to find dead transitions.
[2025-05-31 17:40:16] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:40:16] [INFO ] Invariant cache hit.
[2025-05-31 17:40:16] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30019 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30013 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60094ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 60096ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 80573 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 202 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DNAwalker-PT-08ringLL-LTLCardinality-02
Product exploration explored 100000 steps with 0 reset in 169 ms.
Product exploration explored 100000 steps with 0 reset in 99 ms.
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Detected a total of 27/27 stabilizing places and 258/260 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 6 factoid took 226 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 93 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 40000 steps (3252 resets) in 294 ms. (135 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40003 steps (185 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
[2025-05-31 17:41:17] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:41:17] [INFO ] Invariant cache hit.
[2025-05-31 17:41:17] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 234/273 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/286 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/286 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 234/273 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 273/286 variables, and 92 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1060 ms.
Refiners :[State Equation: 21/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1206ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 27 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 27/27 places, 260/260 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 27 transition count 252
Reduce places removed 6 places and 6 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 14 place count 21 transition count 246
Applied a total of 14 rules in 8 ms. Remains 21 /27 variables (removed 6) and now considering 246/260 (removed 14) transitions.
Running 226 sub problems to find dead transitions.
// Phase 1: matrix 246 rows 21 cols
[2025-05-31 17:41:19] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/267 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (OVERLAPS) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 226 unsolved in 3278 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 226 unsolved in 20025 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 0/226 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23400ms problems are : Problem set: 0 solved, 226 unsolved
Search for dead transitions found 0 dead transitions in 23400ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23409 ms. Remains : 21/27 places, 246/260 transitions.
RANDOM walk for 40000 steps (5141 resets) in 253 ms. (157 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (439 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1935279 steps, run timeout after 3001 ms. (steps per millisecond=644 ) properties seen :0 out of 1
Probabilistic random walk after 1935279 steps, saw 372467 distinct states, run finished after 3002 ms. (steps per millisecond=644 ) properties seen :0
[2025-05-31 17:41:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 228/267 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 72 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9051 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9149ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 246/246 transitions.
Applied a total of 0 rules in 8 ms. Remains 21 /21 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 21/21 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 246/246 transitions.
Applied a total of 0 rules in 16 ms. Remains 21 /21 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2025-05-31 17:41:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:41:55] [INFO ] Implicit Places using invariants in 288 ms returned []
[2025-05-31 17:41:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:41:55] [INFO ] Implicit Places using invariants and state equation in 289 ms returned [6, 16]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 23 transitions.
Implicit Place search using SMT with State Equation took 610 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/21 places, 223/246 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 629 ms. Remains : 19/21 places, 223/246 transitions.
RANDOM walk for 40000 steps (2331 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (328 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2132767 steps, run timeout after 3001 ms. (steps per millisecond=710 ) properties seen :0 out of 1
Probabilistic random walk after 2132767 steps, saw 434523 distinct states, run finished after 3002 ms. (steps per millisecond=710 ) properties seen :0
// Phase 1: matrix 223 rows 19 cols
[2025-05-31 17:41:58] [INFO ] Computed 0 invariants in 3 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 204/242 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 93 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 15067 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15205ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2025-05-31 17:42:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:42:13] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-05-31 17:42:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:42:13] [INFO ] Implicit Places using invariants and state equation in 206 ms returned []
Implicit Place search using SMT with State Equation took 248 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:42:13] [INFO ] Redundant transitions in 6 ms returned []
Running 205 sub problems to find dead transitions.
[2025-05-31 17:42:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 2962 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30014 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 33034ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33035ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33303 ms. Remains : 19/19 places, 223/223 transitions.
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 274 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 111 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Support contains 3 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 8 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:42:47] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2025-05-31 17:42:47] [INFO ] Computed 0 invariants in 3 ms
[2025-05-31 17:42:47] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
SMT process timed out in 20076ms, After SMT, problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 20076ms
[2025-05-31 17:43:07] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:43:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:43:07] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-05-31 17:43:07] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:43:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:43:07] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-05-31 17:43:07] [INFO ] Implicit Places using invariants and state equation in 286 ms returned []
Implicit Place search using SMT with State Equation took 334 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:43:07] [INFO ] Redundant transitions in 2 ms returned []
Running 234 sub problems to find dead transitions.
[2025-05-31 17:43:07] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:43:07] [INFO ] Invariant cache hit.
[2025-05-31 17:43:07] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30019 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30020 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60095ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 60096ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 80523 ms. Remains : 27/27 places, 260/260 transitions.
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Detected a total of 27/27 stabilizing places and 258/260 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 6 factoid took 178 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 89 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 40000 steps (3238 resets) in 178 ms. (223 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (186 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
[2025-05-31 17:44:08] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:44:08] [INFO ] Invariant cache hit.
[2025-05-31 17:44:08] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 234/273 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/286 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/286 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 234/273 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 273/286 variables, and 92 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1084 ms.
Refiners :[State Equation: 21/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1182ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 27 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 27/27 places, 260/260 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 27 transition count 252
Reduce places removed 6 places and 6 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 14 place count 21 transition count 246
Applied a total of 14 rules in 14 ms. Remains 21 /27 variables (removed 6) and now considering 246/260 (removed 14) transitions.
Running 226 sub problems to find dead transitions.
// Phase 1: matrix 246 rows 21 cols
[2025-05-31 17:44:09] [INFO ] Computed 0 invariants in 3 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/267 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (OVERLAPS) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 226 unsolved in 3198 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 226 unsolved in 20018 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 0/226 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23284ms problems are : Problem set: 0 solved, 226 unsolved
Search for dead transitions found 0 dead transitions in 23286ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23301 ms. Remains : 21/27 places, 246/260 transitions.
RANDOM walk for 40000 steps (5146 resets) in 219 ms. (181 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (432 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2054411 steps, run timeout after 3001 ms. (steps per millisecond=684 ) properties seen :0 out of 1
Probabilistic random walk after 2054411 steps, saw 398718 distinct states, run finished after 3002 ms. (steps per millisecond=684 ) properties seen :0
[2025-05-31 17:44:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 228/267 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9049 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9148ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 246/246 transitions.
Applied a total of 0 rules in 3 ms. Remains 21 /21 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 21/21 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 246/246 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2025-05-31 17:44:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:44:45] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-05-31 17:44:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:44:45] [INFO ] Implicit Places using invariants and state equation in 281 ms returned [6, 16]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 23 transitions.
Implicit Place search using SMT with State Equation took 322 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/21 places, 223/246 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 326 ms. Remains : 19/21 places, 223/246 transitions.
RANDOM walk for 40000 steps (2334 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (329 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2207710 steps, run timeout after 3001 ms. (steps per millisecond=735 ) properties seen :0 out of 1
Probabilistic random walk after 2207710 steps, saw 447806 distinct states, run finished after 3002 ms. (steps per millisecond=735 ) properties seen :0
// Phase 1: matrix 223 rows 19 cols
[2025-05-31 17:44:48] [INFO ] Computed 0 invariants in 4 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 204/242 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 79 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 15044 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15135ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 6 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 5 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2025-05-31 17:45:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:45:03] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-05-31 17:45:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:45:03] [INFO ] Implicit Places using invariants and state equation in 202 ms returned []
Implicit Place search using SMT with State Equation took 236 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:45:03] [INFO ] Redundant transitions in 6 ms returned []
Running 205 sub problems to find dead transitions.
[2025-05-31 17:45:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3073 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30038 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 33157ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33158ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33415 ms. Remains : 19/19 places, 223/223 transitions.
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 285 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 110 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 143 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 0 reset in 71 ms.
Product exploration explored 100000 steps with 0 reset in 169 ms.
Built C files in :
/tmp/ltsmin10880297108976343143
[2025-05-31 17:45:38] [INFO ] Computing symmetric may disable matrix : 260 transitions.
[2025-05-31 17:45:38] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 17:45:38] [INFO ] Computing symmetric may enable matrix : 260 transitions.
[2025-05-31 17:45:38] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 17:45:38] [INFO ] Computing Do-Not-Accords matrix : 260 transitions.
[2025-05-31 17:45:38] [INFO ] Computation of Completed DNA matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 17:45:38] [INFO ] Built C files in 73ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10880297108976343143
Running compilation step : cd /tmp/ltsmin10880297108976343143;'/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 629 ms.
Running link step : cd /tmp/ltsmin10880297108976343143;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 57 ms.
Running LTSmin : cd /tmp/ltsmin10880297108976343143;'/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/stateBased8807356936776803996.hoa' '--buchi-type=spotba'
LTSmin run took 230 ms.
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-02 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property DNAwalker-PT-08ringLL-LTLCardinality-02 finished in 342665 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(G((X(X(p0))||F((p1&&G(F(p2)))))))))'
Support contains 5 out of 27 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 3 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:45:39] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2025-05-31 17:45:39] [INFO ] Computed 0 invariants in 1 ms
[2025-05-31 17:45:39] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
SMT process timed out in 20078ms, After SMT, problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 20079ms
[2025-05-31 17:45:59] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:45:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:45:59] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-05-31 17:45:59] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:45:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:45:59] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-05-31 17:45:59] [INFO ] Implicit Places using invariants and state equation in 372 ms returned []
Implicit Place search using SMT with State Equation took 415 ms to find 0 implicit places.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:45:59] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:45:59] [INFO ] Invariant cache hit.
[2025-05-31 17:45:59] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30018 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30014 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60094ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 60095ms
Finished structural reductions in LTL mode , in 1 iterations and 80596 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 355 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p2), (AND (NOT p2) p0), (NOT p1)]
Running random walk in product with property : DNAwalker-PT-08ringLL-LTLCardinality-03
Stuttering criterion allowed to conclude after 53 steps with 5 reset in 1 ms.
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-08ringLL-LTLCardinality-03 finished in 80981 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(F((p0&&X(G((p0||X(G(p1))))))))))'
Support contains 3 out of 27 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 2 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:47:00] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:47:00] [INFO ] Invariant cache hit.
[2025-05-31 17:47:00] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
SMT process timed out in 20081ms, After SMT, problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 20082ms
[2025-05-31 17:47:20] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:47:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:47:20] [INFO ] Implicit Places using invariants in 72 ms returned []
[2025-05-31 17:47:20] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:47:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:47:20] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-05-31 17:47:20] [INFO ] Implicit Places using invariants and state equation in 483 ms returned []
Implicit Place search using SMT with State Equation took 562 ms to find 0 implicit places.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:47:20] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:47:20] [INFO ] Invariant cache hit.
[2025-05-31 17:47:20] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30013 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30019 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60125ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 60127ms
Finished structural reductions in LTL mode , in 1 iterations and 80776 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 234 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DNAwalker-PT-08ringLL-LTLCardinality-04
Product exploration explored 100000 steps with 0 reset in 54 ms.
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-08ringLL-LTLCardinality-04 finished in 81080 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(F(p0)))'
Support contains 2 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 4 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:48:21] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:48:21] [INFO ] Invariant cache hit.
[2025-05-31 17:48:21] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
SMT process timed out in 20074ms, After SMT, problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 20074ms
[2025-05-31 17:48:41] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:48:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:48:41] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-31 17:48:41] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:48:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:48:41] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-05-31 17:48:41] [INFO ] Implicit Places using invariants and state equation in 363 ms returned []
Implicit Place search using SMT with State Equation took 417 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:48:41] [INFO ] Redundant transitions in 3 ms returned []
Running 234 sub problems to find dead transitions.
[2025-05-31 17:48:41] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:48:41] [INFO ] Invariant cache hit.
[2025-05-31 17:48:41] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30019 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30020 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60090ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 60091ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 80598 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DNAwalker-PT-08ringLL-LTLCardinality-06
Stuttering criterion allowed to conclude after 23 steps with 2 reset in 0 ms.
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-08ringLL-LTLCardinality-06 finished in 80686 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 4 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 10 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:49:41] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:49:41] [INFO ] Invariant cache hit.
[2025-05-31 17:49:41] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
SMT process timed out in 20081ms, After SMT, problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 20081ms
[2025-05-31 17:50:01] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:50:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:50:01] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-05-31 17:50:01] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:50:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:50:01] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-05-31 17:50:02] [INFO ] Implicit Places using invariants and state equation in 523 ms returned []
Implicit Place search using SMT with State Equation took 581 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:50:02] [INFO ] Redundant transitions in 1 ms returned []
Running 234 sub problems to find dead transitions.
[2025-05-31 17:50:02] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:50:02] [INFO ] Invariant cache hit.
[2025-05-31 17:50:02] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30013 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30027 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60090ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 60092ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 80770 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Running random walk in product with property : DNAwalker-PT-08ringLL-LTLCardinality-07
Product exploration explored 100000 steps with 0 reset in 98 ms.
Product exploration explored 100000 steps with 0 reset in 103 ms.
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Detected a total of 27/27 stabilizing places and 258/260 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 3 factoid took 139 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 31 ms :[(NOT p0)]
RANDOM walk for 76 steps (5 resets) in 5 ms. (12 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (F (NOT p0))]
Knowledge based reduction with 3 factoid took 125 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 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Support contains 4 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 7 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:51:03] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:51:03] [INFO ] Invariant cache hit.
[2025-05-31 17:51:03] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
SMT process timed out in 20077ms, After SMT, problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 20077ms
[2025-05-31 17:51:23] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:51:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:51:23] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-05-31 17:51:23] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:51:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:51:23] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-05-31 17:51:23] [INFO ] Implicit Places using invariants and state equation in 525 ms returned []
Implicit Place search using SMT with State Equation took 583 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:51:23] [INFO ] Redundant transitions in 1 ms returned []
Running 234 sub problems to find dead transitions.
[2025-05-31 17:51:23] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:51:23] [INFO ] Invariant cache hit.
[2025-05-31 17:51:23] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30013 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30016 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60085ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 60086ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 80763 ms. Remains : 27/27 places, 260/260 transitions.
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Detected a total of 27/27 stabilizing places and 258/260 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 3 factoid took 112 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 31 ms :[(NOT p0)]
RANDOM walk for 95 steps (6 resets) in 6 ms. (13 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (F (NOT p0))]
Knowledge based reduction with 3 factoid took 139 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 28 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Stuttering criterion allowed to conclude after 12 steps with 0 reset in 1 ms.
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-08ringLL-LTLCardinality-07 finished in 162567 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 1 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 5 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:52:24] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:52:24] [INFO ] Invariant cache hit.
[2025-05-31 17:52:24] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
SMT process timed out in 20087ms, After SMT, problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 20088ms
[2025-05-31 17:52:44] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:52:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:52:44] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-05-31 17:52:44] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:52:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:52:44] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-05-31 17:52:44] [INFO ] Implicit Places using invariants and state equation in 331 ms returned []
Implicit Place search using SMT with State Equation took 376 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:52:44] [INFO ] Redundant transitions in 1 ms returned []
Running 234 sub problems to find dead transitions.
[2025-05-31 17:52:44] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:52:44] [INFO ] Invariant cache hit.
[2025-05-31 17:52:44] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30028 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30020 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60110ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 60110ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 80592 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Running random walk in product with property : DNAwalker-PT-08ringLL-LTLCardinality-09
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-08ringLL-LTLCardinality-09 finished in 80632 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(F(p0)))'
Support contains 3 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 4 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:53:44] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:53:44] [INFO ] Invariant cache hit.
[2025-05-31 17:53:44] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
SMT process timed out in 20077ms, After SMT, problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 20079ms
[2025-05-31 17:54:05] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:54:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:54:05] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-05-31 17:54:05] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:54:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:54:05] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-05-31 17:54:05] [INFO ] Implicit Places using invariants and state equation in 260 ms returned []
Implicit Place search using SMT with State Equation took 305 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:54:05] [INFO ] Redundant transitions in 2 ms returned []
Running 234 sub problems to find dead transitions.
[2025-05-31 17:54:05] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:54:05] [INFO ] Invariant cache hit.
[2025-05-31 17:54:05] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30019 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30011 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60087ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 60088ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 80489 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DNAwalker-PT-08ringLL-LTLCardinality-12
Stuttering criterion allowed to conclude after 9 steps with 1 reset in 1 ms.
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-08ringLL-LTLCardinality-12 finished in 80575 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(((p0 U (p1 U p2))&&F(G(p3)))))'
Support contains 7 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 3 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:55:05] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:55:05] [INFO ] Invariant cache hit.
[2025-05-31 17:55:05] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
SMT process timed out in 20082ms, After SMT, problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 20082ms
[2025-05-31 17:55:25] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:55:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:55:25] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-05-31 17:55:25] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:55:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:55:25] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-05-31 17:55:26] [INFO ] Implicit Places using invariants and state equation in 418 ms returned []
Implicit Place search using SMT with State Equation took 473 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:55:26] [INFO ] Redundant transitions in 1 ms returned []
Running 234 sub problems to find dead transitions.
[2025-05-31 17:55:26] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:55:26] [INFO ] Invariant cache hit.
[2025-05-31 17:55:26] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30018 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30013 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60089ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 60089ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 80655 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 157 ms :[(OR (NOT p2) (NOT p3)), true, (NOT p2), (NOT p2), (NOT p3)]
Running random walk in product with property : DNAwalker-PT-08ringLL-LTLCardinality-14
Product exploration explored 100000 steps with 0 reset in 159 ms.
Stuttering criterion allowed to conclude after 24 steps with 3 reset in 0 ms.
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-08ringLL-LTLCardinality-14 finished in 80999 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((G((p0&&F(p1)))||(p0&&F(p1)&&F(!p0)))))'
Support contains 3 out of 27 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 1 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:56:26] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:56:26] [INFO ] Invariant cache hit.
[2025-05-31 17:56:26] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
SMT process timed out in 20099ms, After SMT, problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 20100ms
[2025-05-31 17:56:46] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:56:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:56:46] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-05-31 17:56:46] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:56:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:56:46] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-05-31 17:56:47] [INFO ] Implicit Places using invariants and state equation in 435 ms returned []
Implicit Place search using SMT with State Equation took 481 ms to find 0 implicit places.
Running 234 sub problems to find dead transitions.
[2025-05-31 17:56:47] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2025-05-31 17:56:47] [INFO ] Invariant cache hit.
[2025-05-31 17:56:47] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30023 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30024 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60100ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 60100ms
Finished structural reductions in LTL mode , in 1 iterations and 80683 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 173 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : DNAwalker-PT-08ringLL-LTLCardinality-15
Product exploration explored 100000 steps with 2 reset in 70 ms.
Stuttering criterion allowed to conclude after 28 steps with 2 reset in 1 ms.
FORMULA DNAwalker-PT-08ringLL-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-08ringLL-LTLCardinality-15 finished in 80957 ms.
All properties solved by simple procedures.
Total runtime 1287675 ms.
BK_STOP 1748714267583
--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="DNAwalker-PT-08ringLL"
export BK_EXAMINATION="LTLCardinality"
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 DNAwalker-PT-08ringLL, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r072-tall-174860067400411"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-08ringLL.tgz
mv DNAwalker-PT-08ringLL execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLCardinality.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;