About the Execution of ITS-Tools for MedleyA-PT-20
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 637631.00 | 0.00 | 0.00 | TTTFFFFFFFTTFFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r128-smll-174876524200251.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 MedleyA-PT-20, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-174876524200251
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 130K May 29 14:32 model.pnml
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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 MedleyA-PT-20-LTLCardinality-00
FORMULA_NAME MedleyA-PT-20-LTLCardinality-01
FORMULA_NAME MedleyA-PT-20-LTLCardinality-02
FORMULA_NAME MedleyA-PT-20-LTLCardinality-03
FORMULA_NAME MedleyA-PT-20-LTLCardinality-04
FORMULA_NAME MedleyA-PT-20-LTLCardinality-05
FORMULA_NAME MedleyA-PT-20-LTLCardinality-06
FORMULA_NAME MedleyA-PT-20-LTLCardinality-07
FORMULA_NAME MedleyA-PT-20-LTLCardinality-08
FORMULA_NAME MedleyA-PT-20-LTLCardinality-09
FORMULA_NAME MedleyA-PT-20-LTLCardinality-10
FORMULA_NAME MedleyA-PT-20-LTLCardinality-11
FORMULA_NAME MedleyA-PT-20-LTLCardinality-12
FORMULA_NAME MedleyA-PT-20-LTLCardinality-13
FORMULA_NAME MedleyA-PT-20-LTLCardinality-14
FORMULA_NAME MedleyA-PT-20-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748888634780
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MedleyA-PT-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-02 18:23:57] [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]
[2025-06-02 18:23:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 18:23:57] [INFO ] Load time of PNML (sax parser for PT used): 204 ms
[2025-06-02 18:23:57] [INFO ] Transformed 273 places.
[2025-06-02 18:23:57] [INFO ] Transformed 518 transitions.
[2025-06-02 18:23:57] [INFO ] Found NUPN structural information;
[2025-06-02 18:23:57] [INFO ] Parsed PT model containing 273 places and 518 transitions and 1795 arcs in 427 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 30 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA MedleyA-PT-20-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-20-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-20-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-20-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-20-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-20-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-20-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 30 out of 273 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 273/273 places, 518/518 transitions.
Discarding 88 places :
Symmetric choice reduction at 0 with 88 rule applications. Total rules 88 place count 185 transition count 430
Iterating global reduction 0 with 88 rules applied. Total rules applied 176 place count 185 transition count 430
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 180 place count 185 transition count 426
Discarding 33 places :
Symmetric choice reduction at 1 with 33 rule applications. Total rules 213 place count 152 transition count 331
Iterating global reduction 1 with 33 rules applied. Total rules applied 246 place count 152 transition count 331
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 248 place count 152 transition count 329
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 254 place count 146 transition count 317
Iterating global reduction 2 with 6 rules applied. Total rules applied 260 place count 146 transition count 317
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 261 place count 146 transition count 316
Applied a total of 261 rules in 132 ms. Remains 146 /273 variables (removed 127) and now considering 316/518 (removed 202) transitions.
// Phase 1: matrix 316 rows 146 cols
[2025-06-02 18:23:58] [INFO ] Computed 11 invariants in 22 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:23:58] [INFO ] Implicit Places using invariants in 551 ms returned []
[2025-06-02 18:23:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:23:59] [INFO ] Implicit Places using invariants and state equation in 541 ms returned []
Implicit Place search using SMT with State Equation took 1160 ms to find 0 implicit places.
Running 315 sub problems to find dead transitions.
[2025-06-02 18:23:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 1 (OVERLAPS) 1/146 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 315 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:06] [INFO ] Deduced a trap composed of 37 places in 691 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:07] [INFO ] Deduced a trap composed of 78 places in 228 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:07] [INFO ] Deduced a trap composed of 84 places in 209 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:07] [INFO ] Deduced a trap composed of 85 places in 265 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:07] [INFO ] Deduced a trap composed of 90 places in 201 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:08] [INFO ] Deduced a trap composed of 79 places in 220 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:08] [INFO ] Deduced a trap composed of 79 places in 196 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:08] [INFO ] Deduced a trap composed of 85 places in 210 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:08] [INFO ] Deduced a trap composed of 86 places in 229 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:08] [INFO ] Deduced a trap composed of 40 places in 180 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:09] [INFO ] Deduced a trap composed of 78 places in 192 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:09] [INFO ] Deduced a trap composed of 85 places in 210 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:09] [INFO ] Deduced a trap composed of 86 places in 205 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:09] [INFO ] Deduced a trap composed of 36 places in 113 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:10] [INFO ] Deduced a trap composed of 84 places in 189 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:10] [INFO ] Deduced a trap composed of 46 places in 112 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:10] [INFO ] Deduced a trap composed of 81 places in 188 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:10] [INFO ] Deduced a trap composed of 47 places in 91 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:11] [INFO ] Deduced a trap composed of 15 places in 106 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/146 variables, 19/30 constraints. Problems are: Problem set: 0 solved, 315 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:15] [INFO ] Deduced a trap composed of 41 places in 96 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/146 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 315 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:17] [INFO ] Deduced a trap composed of 85 places in 192 ms of which 20 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/146 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 7 (OVERLAPS) 316/462 variables, 146/178 constraints. Problems are: Problem set: 0 solved, 315 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:26] [INFO ] Deduced a trap composed of 83 places in 205 ms of which 32 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/462 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 315 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:29] [INFO ] Deduced a trap composed of 84 places in 167 ms of which 8 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 462/462 variables, and 180 constraints, problems are : Problem set: 0 solved, 315 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 146/146 constraints, PredecessorRefiner: 315/315 constraints, Known Traps: 23/23 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 315 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 1 (OVERLAPS) 1/146 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/146 variables, 23/34 constraints. Problems are: Problem set: 0 solved, 315 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:32] [INFO ] Deduced a trap composed of 84 places in 178 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:32] [INFO ] Deduced a trap composed of 90 places in 185 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:32] [INFO ] Deduced a trap composed of 88 places in 180 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:33] [INFO ] Deduced a trap composed of 88 places in 175 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:33] [INFO ] Deduced a trap composed of 89 places in 179 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:33] [INFO ] Deduced a trap composed of 93 places in 196 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:33] [INFO ] Deduced a trap composed of 93 places in 203 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:33] [INFO ] Deduced a trap composed of 92 places in 189 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:34] [INFO ] Deduced a trap composed of 96 places in 172 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:34] [INFO ] Deduced a trap composed of 86 places in 165 ms of which 20 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/146 variables, 10/44 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/146 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 6 (OVERLAPS) 316/462 variables, 146/190 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/462 variables, 315/505 constraints. Problems are: Problem set: 0 solved, 315 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:42] [INFO ] Deduced a trap composed of 41 places in 111 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:42] [INFO ] Deduced a trap composed of 46 places in 161 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:44] [INFO ] Deduced a trap composed of 85 places in 189 ms of which 35 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/462 variables, 3/508 constraints. Problems are: Problem set: 0 solved, 315 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:50] [INFO ] Deduced a trap composed of 51 places in 117 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:52] [INFO ] Deduced a trap composed of 85 places in 132 ms of which 17 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/462 variables, 2/510 constraints. Problems are: Problem set: 0 solved, 315 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 462/462 variables, and 510 constraints, problems are : Problem set: 0 solved, 315 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 146/146 constraints, PredecessorRefiner: 315/315 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60483ms problems are : Problem set: 0 solved, 315 unsolved
Search for dead transitions found 0 dead transitions in 60512ms
Starting structural reductions in LTL mode, iteration 1 : 146/273 places, 316/518 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61850 ms. Remains : 146/273 places, 316/518 transitions.
Support contains 30 out of 146 places after structural reductions.
[2025-06-02 18:25:00] [INFO ] Flatten gal took : 76 ms
[2025-06-02 18:25:00] [INFO ] Flatten gal took : 37 ms
[2025-06-02 18:25:00] [INFO ] Input system was already deterministic with 316 transitions.
Support contains 28 out of 146 places (down from 30) after GAL structural reductions.
RANDOM walk for 40000 steps (23 resets) in 1605 ms. (24 steps per ms) remains 3/18 properties
BEST_FIRST walk for 40003 steps (36 resets) in 160 ms. (248 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (36 resets) in 123 ms. (322 steps per ms) remains 2/3 properties
[2025-06-02 18:25:01] [INFO ] Invariant cache hit.
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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 76/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 36/116 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 30/146 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 316/462 variables, 146/157 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/462 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/462 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 157 constraints, problems are : Problem set: 0 solved, 2 unsolved in 211 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 146/146 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 76/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 36/116 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 30/146 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 316/462 variables, 146/157 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/462 variables, 2/159 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/462 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/462 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 159 constraints, problems are : Problem set: 0 solved, 2 unsolved in 347 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 146/146 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 569ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 3768 steps, including 147 resets, run visited all 1 properties in 15 ms. (steps per millisecond=251 )
Parikh walk visited 2 properties in 53 ms.
FORMULA MedleyA-PT-20-LTLCardinality-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 14 stabilizing places and 19 stable transitions
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(X(X(p0))))&&F(p1)))'
Support contains 2 out of 146 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 146/146 places, 316/316 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 130 transition count 291
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 130 transition count 291
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 36 place count 130 transition count 287
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 44 place count 122 transition count 269
Iterating global reduction 1 with 8 rules applied. Total rules applied 52 place count 122 transition count 269
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 54 place count 122 transition count 267
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 57 place count 119 transition count 258
Iterating global reduction 2 with 3 rules applied. Total rules applied 60 place count 119 transition count 258
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 63 place count 119 transition count 255
Applied a total of 63 rules in 23 ms. Remains 119 /146 variables (removed 27) and now considering 255/316 (removed 61) transitions.
// Phase 1: matrix 255 rows 119 cols
[2025-06-02 18:25:02] [INFO ] Computed 11 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:25:02] [INFO ] Implicit Places using invariants in 123 ms returned []
[2025-06-02 18:25:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:25:02] [INFO ] Implicit Places using invariants and state equation in 211 ms returned []
Implicit Place search using SMT with State Equation took 336 ms to find 0 implicit places.
Running 254 sub problems to find dead transitions.
[2025-06-02 18:25:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 2 (OVERLAPS) 1/119 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/119 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:07] [INFO ] Deduced a trap composed of 37 places in 91 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:07] [INFO ] Deduced a trap composed of 47 places in 93 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:07] [INFO ] Deduced a trap composed of 63 places in 207 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:07] [INFO ] Deduced a trap composed of 69 places in 158 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:08] [INFO ] Deduced a trap composed of 70 places in 158 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:08] [INFO ] Deduced a trap composed of 73 places in 102 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:08] [INFO ] Deduced a trap composed of 40 places in 82 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:08] [INFO ] Deduced a trap composed of 45 places in 76 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:09] [INFO ] Deduced a trap composed of 64 places in 135 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:09] [INFO ] Deduced a trap composed of 64 places in 124 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:09] [INFO ] Deduced a trap composed of 64 places in 138 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:09] [INFO ] Deduced a trap composed of 67 places in 121 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:09] [INFO ] Deduced a trap composed of 69 places in 164 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:10] [INFO ] Deduced a trap composed of 63 places in 154 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:10] [INFO ] Deduced a trap composed of 68 places in 203 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:10] [INFO ] Deduced a trap composed of 69 places in 175 ms of which 19 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:12] [INFO ] Deduced a trap composed of 70 places in 175 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:12] [INFO ] Deduced a trap composed of 70 places in 147 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:12] [INFO ] Deduced a trap composed of 70 places in 153 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:12] [INFO ] Deduced a trap composed of 73 places in 150 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:12] [INFO ] Deduced a trap composed of 71 places in 139 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:13] [INFO ] Deduced a trap composed of 74 places in 161 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:13] [INFO ] Deduced a trap composed of 70 places in 161 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:13] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/119 variables, 8/35 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/119 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 8 (OVERLAPS) 255/374 variables, 119/154 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:20] [INFO ] Deduced a trap composed of 64 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:20] [INFO ] Deduced a trap composed of 64 places in 77 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/374 variables, 2/156 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:23] [INFO ] Deduced a trap composed of 65 places in 118 ms of which 19 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:27] [INFO ] Deduced a trap along path composed of 3 places in 43 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:28] [INFO ] Deduced a trap along path composed of 3 places in 39 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:29] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 3/160 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 374/374 variables, and 160 constraints, problems are : Problem set: 0 solved, 254 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 119/119 constraints, PredecessorRefiner: 254/254 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 2 (OVERLAPS) 1/119 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/119 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 27/38 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 6 (OVERLAPS) 255/374 variables, 119/157 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/374 variables, 254/411 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:37] [INFO ] Deduced a trap composed of 76 places in 153 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:37] [INFO ] Deduced a trap composed of 76 places in 148 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:37] [INFO ] Deduced a trap composed of 71 places in 137 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:37] [INFO ] Deduced a trap composed of 77 places in 136 ms of which 23 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/374 variables, 4/415 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:45] [INFO ] Deduced a trap composed of 42 places in 134 ms of which 13 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/374 variables, 1/416 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:52] [INFO ] Deduced a trap composed of 48 places in 119 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:52] [INFO ] Deduced a trap composed of 57 places in 128 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:52] [INFO ] Deduced a trap composed of 54 places in 130 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:52] [INFO ] Deduced a trap composed of 55 places in 124 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 4/420 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 3/423 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 374/374 variables, and 423 constraints, problems are : Problem set: 0 solved, 254 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 119/119 constraints, PredecessorRefiner: 254/254 constraints, Known Traps: 36/36 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 60142ms problems are : Problem set: 0 solved, 254 unsolved
Search for dead transitions found 0 dead transitions in 60146ms
Starting structural reductions in LTL mode, iteration 1 : 119/146 places, 255/316 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60509 ms. Remains : 119/146 places, 255/316 transitions.
Stuttering acceptance computed with spot in 409 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : MedleyA-PT-20-LTLCardinality-01
Product exploration explored 100000 steps with 20000 reset in 700 ms.
Product exploration explored 100000 steps with 20000 reset in 280 ms.
Computed a total of 10 stabilizing places and 15 stable transitions
Computed a total of 10 stabilizing places and 15 stable transitions
Knowledge obtained : [(AND p1 p0), (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 82 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 182 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
RANDOM walk for 40000 steps (36 resets) in 178 ms. (223 steps per ms) remains 1/1 properties
BEST_FIRST walk for 30169 steps (15 resets) in 52 ms. (569 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p1 p0), (X p1), (X (X p1))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 102 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 262 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Stuttering acceptance computed with spot in 261 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Support contains 1 out of 119 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 119/119 places, 255/255 transitions.
Applied a total of 0 rules in 4 ms. Remains 119 /119 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2025-06-02 18:26:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:26:05] [INFO ] Implicit Places using invariants in 181 ms returned []
[2025-06-02 18:26:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:26:05] [INFO ] Implicit Places using invariants and state equation in 322 ms returned []
Implicit Place search using SMT with State Equation took 505 ms to find 0 implicit places.
Running 254 sub problems to find dead transitions.
[2025-06-02 18:26:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 2 (OVERLAPS) 1/119 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/119 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:10] [INFO ] Deduced a trap composed of 37 places in 89 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:10] [INFO ] Deduced a trap composed of 47 places in 86 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:11] [INFO ] Deduced a trap composed of 63 places in 181 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:11] [INFO ] Deduced a trap composed of 69 places in 167 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:11] [INFO ] Deduced a trap composed of 70 places in 171 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:11] [INFO ] Deduced a trap composed of 73 places in 181 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:12] [INFO ] Deduced a trap composed of 40 places in 134 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:12] [INFO ] Deduced a trap composed of 45 places in 127 ms of which 12 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:13] [INFO ] Deduced a trap composed of 64 places in 172 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:13] [INFO ] Deduced a trap composed of 64 places in 165 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:13] [INFO ] Deduced a trap composed of 64 places in 138 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:14] [INFO ] Deduced a trap composed of 67 places in 126 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:14] [INFO ] Deduced a trap composed of 69 places in 125 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:14] [INFO ] Deduced a trap composed of 63 places in 124 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:14] [INFO ] Deduced a trap composed of 68 places in 151 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:14] [INFO ] Deduced a trap composed of 69 places in 133 ms of which 14 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:16] [INFO ] Deduced a trap composed of 70 places in 154 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:16] [INFO ] Deduced a trap composed of 70 places in 155 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:16] [INFO ] Deduced a trap composed of 70 places in 151 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:16] [INFO ] Deduced a trap composed of 73 places in 153 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:16] [INFO ] Deduced a trap composed of 71 places in 155 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:17] [INFO ] Deduced a trap composed of 74 places in 146 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:17] [INFO ] Deduced a trap composed of 70 places in 149 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:17] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/119 variables, 8/35 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/119 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 8 (OVERLAPS) 255/374 variables, 119/154 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:23] [INFO ] Deduced a trap composed of 64 places in 125 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:24] [INFO ] Deduced a trap composed of 64 places in 122 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/374 variables, 2/156 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:28] [INFO ] Deduced a trap composed of 65 places in 136 ms of which 23 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:33] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:33] [INFO ] Deduced a trap along path composed of 3 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:34] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 3/160 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 374/374 variables, and 160 constraints, problems are : Problem set: 0 solved, 254 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 119/119 constraints, PredecessorRefiner: 254/254 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 2 (OVERLAPS) 1/119 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/119 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 27/38 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 6 (OVERLAPS) 255/374 variables, 119/157 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/374 variables, 254/411 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:39] [INFO ] Deduced a trap composed of 76 places in 93 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:40] [INFO ] Deduced a trap composed of 76 places in 116 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:40] [INFO ] Deduced a trap composed of 71 places in 142 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:40] [INFO ] Deduced a trap composed of 77 places in 132 ms of which 22 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/374 variables, 4/415 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:47] [INFO ] Deduced a trap composed of 42 places in 133 ms of which 13 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/374 variables, 1/416 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:54] [INFO ] Deduced a trap composed of 48 places in 85 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:54] [INFO ] Deduced a trap composed of 57 places in 78 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:54] [INFO ] Deduced a trap composed of 54 places in 89 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:54] [INFO ] Deduced a trap composed of 55 places in 126 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 4/420 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 3/423 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 374/374 variables, and 423 constraints, problems are : Problem set: 0 solved, 254 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 119/119 constraints, PredecessorRefiner: 254/254 constraints, Known Traps: 36/36 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 60144ms problems are : Problem set: 0 solved, 254 unsolved
Search for dead transitions found 0 dead transitions in 60146ms
Finished structural reductions in LTL mode , in 1 iterations and 60657 ms. Remains : 119/119 places, 255/255 transitions.
Computed a total of 10 stabilizing places and 15 stable transitions
Computed a total of 10 stabilizing places and 15 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 70 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 171 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
RANDOM walk for 30338 steps (35 resets) in 53 ms. (561 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 120 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 260 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Stuttering acceptance computed with spot in 256 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Stuttering acceptance computed with spot in 254 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Product exploration explored 100000 steps with 20000 reset in 127 ms.
Product exploration explored 100000 steps with 20000 reset in 155 ms.
Applying partial POR strategy [true, false, false, false, true, false]
Stuttering acceptance computed with spot in 254 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Support contains 1 out of 119 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 119/119 places, 255/255 transitions.
Graph (trivial) has 91 edges and 119 vertex of which 14 / 119 are part of one of the 3 SCC in 6 ms
Free SCC test removed 11 places
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 108 transition count 237
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 108 transition count 234
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 7 place count 108 transition count 237
Deduced a syphon composed of 6 places in 1 ms
Iterating global reduction 2 with 3 rules applied. Total rules applied 10 place count 108 transition count 237
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 11 place count 107 transition count 234
Deduced a syphon composed of 6 places in 1 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 12 place count 107 transition count 234
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 29 places in 1 ms
Iterating global reduction 2 with 23 rules applied. Total rules applied 35 place count 107 transition count 235
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 36 place count 107 transition count 234
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 40 place count 103 transition count 224
Deduced a syphon composed of 28 places in 0 ms
Iterating global reduction 3 with 4 rules applied. Total rules applied 44 place count 103 transition count 224
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 47 place count 103 transition count 221
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -27
Deduced a syphon composed of 34 places in 1 ms
Iterating global reduction 4 with 6 rules applied. Total rules applied 53 place count 103 transition count 248
Deduced a syphon composed of 34 places in 1 ms
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 55 place count 103 transition count 246
Deduced a syphon composed of 34 places in 0 ms
Applied a total of 55 rules in 118 ms. Remains 103 /119 variables (removed 16) and now considering 246/255 (removed 9) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 18:27:07] [INFO ] Redundant transitions in 23 ms returned []
Running 245 sub problems to find dead transitions.
[2025-06-02 18:27:07] [INFO ] Flow matrix only has 236 transitions (discarded 10 similar events)
// Phase 1: matrix 236 rows 103 cols
[2025-06-02 18:27:07] [INFO ] Computed 11 invariants in 4 ms
[2025-06-02 18:27:07] [INFO ] State equation strengthened by 29 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 2 (OVERLAPS) 1/103 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/103 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 245 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:12] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 3 ms to minimize.
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:12] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 3 ms to minimize.
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:12] [INFO ] Deduced a trap composed of 7 places in 39 ms of which 3 ms to minimize.
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:12] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 3 ms to minimize.
Problem TDEAD9 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD21 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:12] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 3 ms to minimize.
Problem TDEAD23 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:13] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 3 ms to minimize.
Problem TDEAD41 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD53 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:13] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 3 ms to minimize.
Problem TDEAD55 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:13] [INFO ] Deduced a trap composed of 4 places in 32 ms of which 2 ms to minimize.
Problem TDEAD56 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:13] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 3 ms to minimize.
Problem TDEAD57 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:13] [INFO ] Deduced a trap composed of 3 places in 63 ms of which 5 ms to minimize.
Problem TDEAD58 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD85 is UNSAT
Problem TDEAD86 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD154 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:13] [INFO ] Deduced a trap composed of 39 places in 137 ms of which 10 ms to minimize.
Problem TDEAD167 is UNSAT
Problem TDEAD172 is UNSAT
Problem TDEAD173 is UNSAT
Problem TDEAD185 is UNSAT
Problem TDEAD194 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:14] [INFO ] Deduced a trap composed of 42 places in 128 ms of which 10 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 12/23 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/23 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 6 (OVERLAPS) 235/338 variables, 103/126 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/338 variables, 28/154 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/338 variables, 0/154 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 9 (OVERLAPS) 1/339 variables, 1/155 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/339 variables, 0/155 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 11 (OVERLAPS) 0/339 variables, 0/155 constraints. Problems are: Problem set: 46 solved, 199 unsolved
No progress, stopping.
After SMT solving in domain Real declared 339/339 variables, and 155 constraints, problems are : Problem set: 46 solved, 199 unsolved in 24061 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 103/103 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 245/245 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 46 solved, 199 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 1 (OVERLAPS) 30/98 variables, 9/9 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 1/10 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 12/22 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/98 variables, 0/22 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 5 (OVERLAPS) 5/103 variables, 1/23 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/23 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 7 (OVERLAPS) 235/338 variables, 103/126 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/338 variables, 28/154 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/338 variables, 199/353 constraints. Problems are: Problem set: 46 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:42] [INFO ] Deduced a trap along path composed of 7 places in 51 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:27:45] [INFO ] Deduced a trap along path composed of 2 places in 41 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/338 variables, 2/355 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/338 variables, 0/355 constraints. Problems are: Problem set: 46 solved, 199 unsolved
At refinement iteration 12 (OVERLAPS) 1/339 variables, 1/356 constraints. Problems are: Problem set: 46 solved, 199 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 339/339 variables, and 356 constraints, problems are : Problem set: 46 solved, 199 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 103/103 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 199/245 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 54251ms problems are : Problem set: 46 solved, 199 unsolved
Search for dead transitions found 46 dead transitions in 54254ms
Found 46 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 46 transitions
Dead transitions reduction (with SMT) removed 46 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 103/119 places, 200/255 transitions.
Graph (complete) has 407 edges and 103 vertex of which 69 are kept as prefixes of interest. Removing 34 places using SCC suffix rule.3 ms
Discarding 34 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 18 ms. Remains 69 /103 variables (removed 34) and now considering 200/200 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 69/119 places, 200/255 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 54427 ms. Remains : 69/119 places, 200/255 transitions.
Built C files in :
/tmp/ltsmin9630565125567575905
[2025-06-02 18:28:02] [INFO ] Built C files in 30ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9630565125567575905
Running compilation step : cd /tmp/ltsmin9630565125567575905;'/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 1193 ms.
Running link step : cd /tmp/ltsmin9630565125567575905;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 80 ms.
Running LTSmin : cd /tmp/ltsmin9630565125567575905;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased15529897884758722069.hoa' '--buchi-type=spotba'
LTSmin run took 198 ms.
FORMULA MedleyA-PT-20-LTLCardinality-01 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property MedleyA-PT-20-LTLCardinality-01 finished in 181729 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((X(X(p0))&&(p1||X(p2)))))'
Support contains 3 out of 146 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 146/146 places, 316/316 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 131 transition count 294
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 131 transition count 294
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 33 place count 131 transition count 291
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 42 place count 122 transition count 270
Iterating global reduction 1 with 9 rules applied. Total rules applied 51 place count 122 transition count 270
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 53 place count 122 transition count 268
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 57 place count 118 transition count 257
Iterating global reduction 2 with 4 rules applied. Total rules applied 61 place count 118 transition count 257
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 64 place count 118 transition count 254
Applied a total of 64 rules in 12 ms. Remains 118 /146 variables (removed 28) and now considering 254/316 (removed 62) transitions.
// Phase 1: matrix 254 rows 118 cols
[2025-06-02 18:28:03] [INFO ] Computed 11 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:28:03] [INFO ] Implicit Places using invariants in 170 ms returned []
[2025-06-02 18:28:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:28:04] [INFO ] Implicit Places using invariants and state equation in 314 ms returned []
Implicit Place search using SMT with State Equation took 486 ms to find 0 implicit places.
Running 253 sub problems to find dead transitions.
[2025-06-02 18:28:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (OVERLAPS) 1/118 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:07] [INFO ] Deduced a trap composed of 37 places in 103 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:07] [INFO ] Deduced a trap composed of 48 places in 87 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:08] [INFO ] Deduced a trap composed of 62 places in 175 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:08] [INFO ] Deduced a trap composed of 68 places in 161 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:08] [INFO ] Deduced a trap composed of 68 places in 150 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:08] [INFO ] Deduced a trap composed of 71 places in 172 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:08] [INFO ] Deduced a trap composed of 48 places in 86 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:09] [INFO ] Deduced a trap composed of 48 places in 86 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:09] [INFO ] Deduced a trap composed of 55 places in 138 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:09] [INFO ] Deduced a trap composed of 55 places in 131 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:09] [INFO ] Deduced a trap composed of 55 places in 140 ms of which 9 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:12] [INFO ] Deduced a trap composed of 69 places in 177 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:12] [INFO ] Deduced a trap composed of 69 places in 169 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:12] [INFO ] Deduced a trap composed of 72 places in 172 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:12] [INFO ] Deduced a trap composed of 68 places in 134 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:13] [INFO ] Deduced a trap composed of 39 places in 132 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:13] [INFO ] Deduced a trap composed of 44 places in 129 ms of which 13 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:14] [INFO ] Deduced a trap composed of 64 places in 115 ms of which 12 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/118 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/372 variables, 118/147 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:23] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:23] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:23] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/372 variables, 3/150 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/372 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 372/372 variables, and 150 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 118/118 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (OVERLAPS) 1/118 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 18/29 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:35] [INFO ] Deduced a trap composed of 67 places in 76 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (OVERLAPS) 254/372 variables, 118/148 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/372 variables, 253/401 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:39] [INFO ] Deduced a trap composed of 74 places in 96 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:39] [INFO ] Deduced a trap composed of 62 places in 93 ms of which 9 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/372 variables, 2/403 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/372 variables, 3/406 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:57] [INFO ] Deduced a trap along path composed of 9 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:57] [INFO ] Deduced a trap along path composed of 9 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:57] [INFO ] Deduced a trap along path composed of 9 places in 19 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 372/372 variables, and 409 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 118/118 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 60124ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60125ms
Starting structural reductions in LTL mode, iteration 1 : 118/146 places, 254/316 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60624 ms. Remains : 118/146 places, 254/316 transitions.
Stuttering acceptance computed with spot in 291 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p0), (NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : MedleyA-PT-20-LTLCardinality-02
Product exploration explored 100000 steps with 33333 reset in 185 ms.
Product exploration explored 100000 steps with 33333 reset in 145 ms.
Computed a total of 11 stabilizing places and 16 stable transitions
Computed a total of 11 stabilizing places and 16 stable transitions
Knowledge obtained : [(AND p1 p0 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND p1 p2))), (X (AND p1 (NOT p2))), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p1 p2)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (NOT (AND p1 (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 20 factoid took 27 ms. Reduced automaton from 5 states, 14 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA MedleyA-PT-20-LTLCardinality-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property MedleyA-PT-20-LTLCardinality-02 finished in 61310 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((G((p0 U p1))||F(p0)))))'
Support contains 3 out of 146 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 146/146 places, 316/316 transitions.
Graph (trivial) has 123 edges and 146 vertex of which 20 / 146 are part of one of the 3 SCC in 1 ms
Free SCC test removed 17 places
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 128 transition count 282
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 125 transition count 282
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 7 place count 125 transition count 273
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 25 place count 116 transition count 273
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 36 place count 105 transition count 254
Iterating global reduction 2 with 11 rules applied. Total rules applied 47 place count 105 transition count 254
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 6 rules applied. Total rules applied 53 place count 105 transition count 248
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 59 place count 102 transition count 245
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 59 place count 102 transition count 244
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 61 place count 101 transition count 244
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 4 with 22 rules applied. Total rules applied 83 place count 90 transition count 233
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 89 place count 84 transition count 215
Iterating global reduction 4 with 6 rules applied. Total rules applied 95 place count 84 transition count 215
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 100 place count 84 transition count 210
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 5 with 18 rules applied. Total rules applied 118 place count 75 transition count 225
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 5 with 9 rules applied. Total rules applied 127 place count 75 transition count 216
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 130 place count 72 transition count 207
Iterating global reduction 5 with 3 rules applied. Total rules applied 133 place count 72 transition count 207
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 136 place count 72 transition count 204
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 138 place count 70 transition count 202
Applied a total of 138 rules in 95 ms. Remains 70 /146 variables (removed 76) and now considering 202/316 (removed 114) transitions.
[2025-06-02 18:29:05] [INFO ] Flow matrix only has 192 transitions (discarded 10 similar events)
// Phase 1: matrix 192 rows 70 cols
[2025-06-02 18:29:05] [INFO ] Computed 11 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:29:05] [INFO ] Implicit Places using invariants in 122 ms returned []
[2025-06-02 18:29:05] [INFO ] Flow matrix only has 192 transitions (discarded 10 similar events)
[2025-06-02 18:29:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:29:05] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 18:29:05] [INFO ] Implicit Places using invariants and state equation in 225 ms returned []
Implicit Place search using SMT with State Equation took 350 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 18:29:05] [INFO ] Redundant transitions in 7 ms returned []
Running 176 sub problems to find dead transitions.
[2025-06-02 18:29:05] [INFO ] Flow matrix only has 192 transitions (discarded 10 similar events)
[2025-06-02 18:29:05] [INFO ] Invariant cache hit.
[2025-06-02 18:29:05] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 2 (OVERLAPS) 3/69 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 5 (OVERLAPS) 1/70 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:09] [INFO ] Deduced a trap composed of 39 places in 113 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/70 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 8 (OVERLAPS) 191/261 variables, 70/82 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:13] [INFO ] Deduced a trap along path composed of 6 places in 32 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:16] [INFO ] Deduced a trap composed of 39 places in 103 ms of which 9 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 13 (OVERLAPS) 0/261 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 176 unsolved
No progress, stopping.
After SMT solving in domain Real declared 261/262 variables, and 85 constraints, problems are : Problem set: 0 solved, 176 unsolved in 18307 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 70/70 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 2 (OVERLAPS) 3/69 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 5 (OVERLAPS) 1/70 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/70 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 8 (OVERLAPS) 191/261 variables, 70/83 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 176/260 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:30] [INFO ] Deduced a trap along path composed of 2 places in 41 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:31] [INFO ] Deduced a trap along path composed of 2 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:32] [INFO ] Deduced a trap along path composed of 2 places in 27 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/261 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 14 (OVERLAPS) 0/261 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 176 unsolved
No progress, stopping.
After SMT solving in domain Int declared 261/262 variables, and 264 constraints, problems are : Problem set: 0 solved, 176 unsolved in 27583 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 70/70 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 45963ms problems are : Problem set: 0 solved, 176 unsolved
Search for dead transitions found 0 dead transitions in 45965ms
Starting structural reductions in SI_LTL mode, iteration 1 : 70/146 places, 202/316 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 46426 ms. Remains : 70/146 places, 202/316 transitions.
Stuttering acceptance computed with spot in 71 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : MedleyA-PT-20-LTLCardinality-03
Product exploration explored 100000 steps with 4 reset in 206 ms.
Product exploration explored 100000 steps with 0 reset in 350 ms.
Computed a total of 4 stabilizing places and 9 stable transitions
Computed a total of 4 stabilizing places and 9 stable transitions
Detected a total of 4/70 stabilizing places and 9/202 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 144 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 30081 steps (22 resets) in 273 ms. (109 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 p1))), (F (NOT p0)), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 10 factoid took 297 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 64 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 65 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 70 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 70/70 places, 202/202 transitions.
Applied a total of 0 rules in 7 ms. Remains 70 /70 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2025-06-02 18:29:52] [INFO ] Flow matrix only has 192 transitions (discarded 10 similar events)
[2025-06-02 18:29:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:29:53] [INFO ] Implicit Places using invariants in 116 ms returned []
[2025-06-02 18:29:53] [INFO ] Flow matrix only has 192 transitions (discarded 10 similar events)
[2025-06-02 18:29:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:29:53] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 18:29:53] [INFO ] Implicit Places using invariants and state equation in 257 ms returned []
Implicit Place search using SMT with State Equation took 375 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 18:29:53] [INFO ] Redundant transitions in 4 ms returned []
Running 176 sub problems to find dead transitions.
[2025-06-02 18:29:53] [INFO ] Flow matrix only has 192 transitions (discarded 10 similar events)
[2025-06-02 18:29:53] [INFO ] Invariant cache hit.
[2025-06-02 18:29:53] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 2 (OVERLAPS) 3/69 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 5 (OVERLAPS) 1/70 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:57] [INFO ] Deduced a trap composed of 39 places in 100 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/70 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 8 (OVERLAPS) 191/261 variables, 70/82 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:01] [INFO ] Deduced a trap along path composed of 6 places in 28 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:04] [INFO ] Deduced a trap composed of 39 places in 98 ms of which 9 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 13 (OVERLAPS) 0/261 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 176 unsolved
No progress, stopping.
After SMT solving in domain Real declared 261/262 variables, and 85 constraints, problems are : Problem set: 0 solved, 176 unsolved in 18383 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 70/70 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 2 (OVERLAPS) 3/69 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 5 (OVERLAPS) 1/70 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/70 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 8 (OVERLAPS) 191/261 variables, 70/83 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 176/260 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:17] [INFO ] Deduced a trap along path composed of 2 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:18] [INFO ] Deduced a trap along path composed of 2 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:18] [INFO ] Deduced a trap along path composed of 2 places in 25 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/261 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 14 (OVERLAPS) 0/261 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 176 unsolved
No progress, stopping.
After SMT solving in domain Int declared 261/262 variables, and 264 constraints, problems are : Problem set: 0 solved, 176 unsolved in 28298 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 70/70 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 46742ms problems are : Problem set: 0 solved, 176 unsolved
Search for dead transitions found 0 dead transitions in 46743ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 47137 ms. Remains : 70/70 places, 202/202 transitions.
Computed a total of 4 stabilizing places and 9 stable transitions
Computed a total of 4 stabilizing places and 9 stable transitions
Detected a total of 4/70 stabilizing places and 9/202 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 142 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 66 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (13 resets) in 110 ms. (360 steps per ms) remains 3/4 properties
BEST_FIRST walk for 20539 steps (14 resets) in 84 ms. (241 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 p1))), (F (NOT p0)), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 10 factoid took 423 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 99 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 100 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 100 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering criterion allowed to conclude after 38 steps with 3 reset in 1 ms.
FORMULA MedleyA-PT-20-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLCardinality-03 finished in 96075 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 146 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 146/146 places, 316/316 transitions.
Graph (trivial) has 123 edges and 146 vertex of which 20 / 146 are part of one of the 3 SCC in 1 ms
Free SCC test removed 17 places
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 128 transition count 282
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 125 transition count 282
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 7 place count 125 transition count 273
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 25 place count 116 transition count 273
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 36 place count 105 transition count 254
Iterating global reduction 2 with 11 rules applied. Total rules applied 47 place count 105 transition count 254
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 6 rules applied. Total rules applied 53 place count 105 transition count 248
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 59 place count 102 transition count 245
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 59 place count 102 transition count 244
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 61 place count 101 transition count 244
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 4 with 26 rules applied. Total rules applied 87 place count 88 transition count 231
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 94 place count 81 transition count 210
Iterating global reduction 4 with 7 rules applied. Total rules applied 101 place count 81 transition count 210
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 106 place count 81 transition count 205
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 5 with 18 rules applied. Total rules applied 124 place count 72 transition count 220
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 5 with 9 rules applied. Total rules applied 133 place count 72 transition count 211
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 136 place count 69 transition count 202
Iterating global reduction 5 with 3 rules applied. Total rules applied 139 place count 69 transition count 202
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 142 place count 69 transition count 199
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 144 place count 67 transition count 197
Applied a total of 144 rules in 72 ms. Remains 67 /146 variables (removed 79) and now considering 197/316 (removed 119) transitions.
[2025-06-02 18:30:41] [INFO ] Flow matrix only has 187 transitions (discarded 10 similar events)
// Phase 1: matrix 187 rows 67 cols
[2025-06-02 18:30:41] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:30:41] [INFO ] Implicit Places using invariants in 147 ms returned []
[2025-06-02 18:30:41] [INFO ] Flow matrix only has 187 transitions (discarded 10 similar events)
[2025-06-02 18:30:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:30:41] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 18:30:41] [INFO ] Implicit Places using invariants and state equation in 237 ms returned []
Implicit Place search using SMT with State Equation took 386 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 18:30:41] [INFO ] Redundant transitions in 3 ms returned []
Running 172 sub problems to find dead transitions.
[2025-06-02 18:30:41] [INFO ] Flow matrix only has 187 transitions (discarded 10 similar events)
[2025-06-02 18:30:41] [INFO ] Invariant cache hit.
[2025-06-02 18:30:41] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (OVERLAPS) 1/67 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:45] [INFO ] Deduced a trap composed of 40 places in 102 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:45] [INFO ] Deduced a trap composed of 40 places in 136 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (OVERLAPS) 186/253 variables, 67/80 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/253 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/253 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 11 (OVERLAPS) 0/253 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 172 unsolved
No progress, stopping.
After SMT solving in domain Real declared 253/254 variables, and 81 constraints, problems are : Problem set: 0 solved, 172 unsolved in 13183 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 67/67 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (OVERLAPS) 1/67 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:56] [INFO ] Deduced a trap composed of 37 places in 114 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/67 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 9 (OVERLAPS) 186/253 variables, 67/81 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/253 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/253 variables, 172/254 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:01] [INFO ] Deduced a trap along path composed of 2 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:01] [INFO ] Deduced a trap along path composed of 2 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:02] [INFO ] Deduced a trap along path composed of 2 places in 31 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/253 variables, 3/257 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/253 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 14 (OVERLAPS) 0/253 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 172 unsolved
No progress, stopping.
After SMT solving in domain Int declared 253/254 variables, and 257 constraints, problems are : Problem set: 0 solved, 172 unsolved in 21909 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 67/67 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 35158ms problems are : Problem set: 0 solved, 172 unsolved
Search for dead transitions found 0 dead transitions in 35159ms
Starting structural reductions in SI_LTL mode, iteration 1 : 67/146 places, 197/316 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 35627 ms. Remains : 67/146 places, 197/316 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : MedleyA-PT-20-LTLCardinality-04
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA MedleyA-PT-20-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLCardinality-04 finished in 35712 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' '!((p0 U G(p1)))'
Support contains 3 out of 146 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 146/146 places, 316/316 transitions.
Graph (trivial) has 120 edges and 146 vertex of which 20 / 146 are part of one of the 3 SCC in 0 ms
Free SCC test removed 17 places
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 128 transition count 282
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 125 transition count 282
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 7 place count 125 transition count 274
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 23 place count 117 transition count 274
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 34 place count 106 transition count 257
Iterating global reduction 2 with 11 rules applied. Total rules applied 45 place count 106 transition count 257
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 6 rules applied. Total rules applied 51 place count 106 transition count 251
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 57 place count 103 transition count 248
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 57 place count 103 transition count 247
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 59 place count 102 transition count 247
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 4 with 26 rules applied. Total rules applied 85 place count 89 transition count 234
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 92 place count 82 transition count 213
Iterating global reduction 4 with 7 rules applied. Total rules applied 99 place count 82 transition count 213
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 104 place count 82 transition count 208
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 5 with 16 rules applied. Total rules applied 120 place count 74 transition count 222
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 126 place count 74 transition count 216
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 127 place count 73 transition count 213
Iterating global reduction 5 with 1 rules applied. Total rules applied 128 place count 73 transition count 213
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 129 place count 73 transition count 212
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 131 place count 71 transition count 210
Applied a total of 131 rules in 35 ms. Remains 71 /146 variables (removed 75) and now considering 210/316 (removed 106) transitions.
[2025-06-02 18:31:16] [INFO ] Flow matrix only has 201 transitions (discarded 9 similar events)
// Phase 1: matrix 201 rows 71 cols
[2025-06-02 18:31:16] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:31:16] [INFO ] Implicit Places using invariants in 77 ms returned []
[2025-06-02 18:31:16] [INFO ] Flow matrix only has 201 transitions (discarded 9 similar events)
[2025-06-02 18:31:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:31:17] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 18:31:17] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 319 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 18:31:17] [INFO ] Redundant transitions in 2 ms returned []
Running 183 sub problems to find dead transitions.
[2025-06-02 18:31:17] [INFO ] Flow matrix only has 201 transitions (discarded 9 similar events)
[2025-06-02 18:31:17] [INFO ] Invariant cache hit.
[2025-06-02 18:31:17] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (OVERLAPS) 2/70 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/70 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (OVERLAPS) 1/71 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:21] [INFO ] Deduced a trap composed of 43 places in 100 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/71 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 8 (OVERLAPS) 200/271 variables, 71/83 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/271 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:25] [INFO ] Deduced a trap composed of 41 places in 115 ms of which 7 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/271 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/271 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 12 (OVERLAPS) 0/271 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 183 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/272 variables, and 85 constraints, problems are : Problem set: 0 solved, 183 unsolved in 16216 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 71/71 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (OVERLAPS) 2/70 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/70 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (OVERLAPS) 1/71 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/71 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 8 (OVERLAPS) 200/271 variables, 71/84 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/271 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/271 variables, 183/268 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:40] [INFO ] Deduced a trap along path composed of 2 places in 37 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:40] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/271 variables, 2/270 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/271 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 13 (OVERLAPS) 0/271 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 183 unsolved
No progress, stopping.
After SMT solving in domain Int declared 271/272 variables, and 270 constraints, problems are : Problem set: 0 solved, 183 unsolved in 19430 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 71/71 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 35713ms problems are : Problem set: 0 solved, 183 unsolved
Search for dead transitions found 0 dead transitions in 35714ms
Starting structural reductions in SI_LTL mode, iteration 1 : 71/146 places, 210/316 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 36078 ms. Remains : 71/146 places, 210/316 transitions.
Stuttering acceptance computed with spot in 78 ms :[(NOT p1), true, (NOT p1)]
Running random walk in product with property : MedleyA-PT-20-LTLCardinality-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA MedleyA-PT-20-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLCardinality-07 finished in 36174 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((X(F(p0))||F(p1)))&&F((G(!p2)||(!p2&&F(p3)))))))'
Support contains 7 out of 146 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 146/146 places, 316/316 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 133 transition count 296
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 133 transition count 296
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 29 place count 133 transition count 293
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 34 place count 128 transition count 281
Iterating global reduction 1 with 5 rules applied. Total rules applied 39 place count 128 transition count 281
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 40 place count 128 transition count 280
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 42 place count 126 transition count 275
Iterating global reduction 2 with 2 rules applied. Total rules applied 44 place count 126 transition count 275
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 45 place count 126 transition count 274
Applied a total of 45 rules in 6 ms. Remains 126 /146 variables (removed 20) and now considering 274/316 (removed 42) transitions.
// Phase 1: matrix 274 rows 126 cols
[2025-06-02 18:31:53] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:31:53] [INFO ] Implicit Places using invariants in 115 ms returned []
[2025-06-02 18:31:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:31:53] [INFO ] Implicit Places using invariants and state equation in 223 ms returned []
Implicit Place search using SMT with State Equation took 339 ms to find 0 implicit places.
Running 273 sub problems to find dead transitions.
[2025-06-02 18:31:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 273 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:59] [INFO ] Deduced a trap composed of 37 places in 91 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:59] [INFO ] Deduced a trap composed of 47 places in 86 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:59] [INFO ] Deduced a trap composed of 67 places in 186 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:59] [INFO ] Deduced a trap composed of 73 places in 172 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:59] [INFO ] Deduced a trap composed of 73 places in 183 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:00] [INFO ] Deduced a trap composed of 79 places in 180 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:00] [INFO ] Deduced a trap composed of 74 places in 197 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:00] [INFO ] Deduced a trap composed of 68 places in 175 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:00] [INFO ] Deduced a trap composed of 37 places in 160 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:00] [INFO ] Deduced a trap composed of 67 places in 147 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:01] [INFO ] Deduced a trap composed of 73 places in 179 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:01] [INFO ] Deduced a trap composed of 39 places in 184 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:01] [INFO ] Deduced a trap composed of 75 places in 162 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:01] [INFO ] Deduced a trap composed of 40 places in 80 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:02] [INFO ] Deduced a trap composed of 72 places in 163 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:02] [INFO ] Deduced a trap composed of 15 places in 72 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/126 variables, 16/27 constraints. Problems are: Problem set: 0 solved, 273 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:03] [INFO ] Deduced a trap composed of 74 places in 139 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:03] [INFO ] Deduced a trap composed of 74 places in 155 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:03] [INFO ] Deduced a trap composed of 77 places in 153 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:04] [INFO ] Deduced a trap composed of 77 places in 148 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:04] [INFO ] Deduced a trap composed of 80 places in 154 ms of which 20 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/126 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 273 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:06] [INFO ] Deduced a trap composed of 68 places in 151 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:06] [INFO ] Deduced a trap composed of 74 places in 147 ms of which 14 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/126 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 8 (OVERLAPS) 274/400 variables, 126/160 constraints. Problems are: Problem set: 0 solved, 273 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:12] [INFO ] Deduced a trap composed of 73 places in 116 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/400 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 273 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:21] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:21] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:22] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 400/400 variables, and 164 constraints, problems are : Problem set: 0 solved, 273 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, PredecessorRefiner: 273/273 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 273 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/126 variables, 24/35 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/126 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 6 (OVERLAPS) 274/400 variables, 126/161 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/400 variables, 273/434 constraints. Problems are: Problem set: 0 solved, 273 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:27] [INFO ] Deduced a trap composed of 42 places in 92 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:27] [INFO ] Deduced a trap composed of 49 places in 96 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:27] [INFO ] Deduced a trap composed of 74 places in 97 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:27] [INFO ] Deduced a trap composed of 40 places in 86 ms of which 11 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/400 variables, 4/438 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/400 variables, 3/441 constraints. Problems are: Problem set: 0 solved, 273 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:53] [INFO ] Deduced a trap along path composed of 9 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:53] [INFO ] Deduced a trap along path composed of 9 places in 30 ms of which 1 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 400/400 variables, and 443 constraints, problems are : Problem set: 0 solved, 273 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, PredecessorRefiner: 273/273 constraints, Known Traps: 28/28 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 60072ms problems are : Problem set: 0 solved, 273 unsolved
Search for dead transitions found 0 dead transitions in 60073ms
Starting structural reductions in LTL mode, iteration 1 : 126/146 places, 274/316 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60421 ms. Remains : 126/146 places, 274/316 transitions.
Stuttering acceptance computed with spot in 357 ms :[(OR p2 (AND (NOT p0) (NOT p1))), (OR p2 (AND (NOT p0) (NOT p1))), (AND (NOT p1) (NOT p0)), p2, (AND p2 (NOT p3)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : MedleyA-PT-20-LTLCardinality-08
Stuttering criterion allowed to conclude after 90 steps with 0 reset in 1 ms.
FORMULA MedleyA-PT-20-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLCardinality-08 finished in 60809 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 146 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 146/146 places, 316/316 transitions.
Graph (trivial) has 119 edges and 146 vertex of which 19 / 146 are part of one of the 3 SCC in 1 ms
Free SCC test removed 16 places
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 129 transition count 286
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 127 transition count 286
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 5 place count 127 transition count 277
Deduced a syphon composed of 9 places in 2 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 23 place count 118 transition count 277
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 34 place count 107 transition count 258
Iterating global reduction 2 with 11 rules applied. Total rules applied 45 place count 107 transition count 258
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 6 rules applied. Total rules applied 51 place count 107 transition count 252
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 57 place count 104 transition count 249
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 57 place count 104 transition count 248
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 59 place count 103 transition count 248
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 4 with 26 rules applied. Total rules applied 85 place count 90 transition count 235
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 92 place count 83 transition count 214
Iterating global reduction 4 with 7 rules applied. Total rules applied 99 place count 83 transition count 214
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 104 place count 83 transition count 209
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 5 with 18 rules applied. Total rules applied 122 place count 74 transition count 224
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 132 place count 74 transition count 214
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 135 place count 71 transition count 205
Iterating global reduction 5 with 3 rules applied. Total rules applied 138 place count 71 transition count 205
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 141 place count 71 transition count 202
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 143 place count 69 transition count 200
Applied a total of 143 rules in 76 ms. Remains 69 /146 variables (removed 77) and now considering 200/316 (removed 116) transitions.
[2025-06-02 18:32:53] [INFO ] Flow matrix only has 190 transitions (discarded 10 similar events)
// Phase 1: matrix 190 rows 69 cols
[2025-06-02 18:32:53] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:32:54] [INFO ] Implicit Places using invariants in 117 ms returned []
[2025-06-02 18:32:54] [INFO ] Flow matrix only has 190 transitions (discarded 10 similar events)
[2025-06-02 18:32:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:32:54] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 18:32:54] [INFO ] Implicit Places using invariants and state equation in 225 ms returned []
Implicit Place search using SMT with State Equation took 345 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 18:32:54] [INFO ] Redundant transitions in 1 ms returned []
Running 182 sub problems to find dead transitions.
[2025-06-02 18:32:54] [INFO ] Flow matrix only has 190 transitions (discarded 10 similar events)
[2025-06-02 18:32:54] [INFO ] Invariant cache hit.
[2025-06-02 18:32:54] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (OVERLAPS) 2/68 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (OVERLAPS) 1/69 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:58] [INFO ] Deduced a trap composed of 40 places in 104 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 7 (OVERLAPS) 189/258 variables, 69/81 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/258 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:03] [INFO ] Deduced a trap along path composed of 2 places in 36 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/258 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:07] [INFO ] Deduced a trap along path composed of 2 places in 29 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:08] [INFO ] Deduced a trap composed of 40 places in 122 ms of which 16 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/258 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 13 (OVERLAPS) 0/258 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 182 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/259 variables, and 85 constraints, problems are : Problem set: 0 solved, 182 unsolved in 22116 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 69/69 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (OVERLAPS) 2/68 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (OVERLAPS) 1/69 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:17] [INFO ] Deduced a trap composed of 37 places in 115 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 8 (OVERLAPS) 189/258 variables, 69/83 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/258 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 182/266 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 2/268 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/258 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 13 (OVERLAPS) 0/258 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 182 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/259 variables, and 268 constraints, problems are : Problem set: 0 solved, 182 unsolved in 15359 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 69/69 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 37530ms problems are : Problem set: 0 solved, 182 unsolved
Search for dead transitions found 0 dead transitions in 37531ms
Starting structural reductions in SI_LTL mode, iteration 1 : 69/146 places, 200/316 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 37961 ms. Remains : 69/146 places, 200/316 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : MedleyA-PT-20-LTLCardinality-14
Stuttering criterion allowed to conclude after 23 steps with 2 reset in 1 ms.
FORMULA MedleyA-PT-20-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLCardinality-14 finished in 38020 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)))'
Support contains 2 out of 146 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 146/146 places, 316/316 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 129 transition count 290
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 129 transition count 290
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 38 place count 129 transition count 286
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 47 place count 120 transition count 265
Iterating global reduction 1 with 9 rules applied. Total rules applied 56 place count 120 transition count 265
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 58 place count 120 transition count 263
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 62 place count 116 transition count 252
Iterating global reduction 2 with 4 rules applied. Total rules applied 66 place count 116 transition count 252
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 69 place count 116 transition count 249
Applied a total of 69 rules in 9 ms. Remains 116 /146 variables (removed 30) and now considering 249/316 (removed 67) transitions.
// Phase 1: matrix 249 rows 116 cols
[2025-06-02 18:33:31] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:33:31] [INFO ] Implicit Places using invariants in 124 ms returned []
[2025-06-02 18:33:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:33:32] [INFO ] Implicit Places using invariants and state equation in 312 ms returned []
Implicit Place search using SMT with State Equation took 439 ms to find 0 implicit places.
Running 248 sub problems to find dead transitions.
[2025-06-02 18:33:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 1 (OVERLAPS) 1/116 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/116 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 248 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:35] [INFO ] Deduced a trap composed of 37 places in 95 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:35] [INFO ] Deduced a trap composed of 47 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:36] [INFO ] Deduced a trap composed of 61 places in 177 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:36] [INFO ] Deduced a trap composed of 67 places in 177 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:36] [INFO ] Deduced a trap composed of 67 places in 177 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:36] [INFO ] Deduced a trap composed of 70 places in 175 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:36] [INFO ] Deduced a trap composed of 62 places in 161 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:36] [INFO ] Deduced a trap composed of 64 places in 137 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:37] [INFO ] Deduced a trap composed of 67 places in 142 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:37] [INFO ] Deduced a trap composed of 67 places in 138 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:37] [INFO ] Deduced a trap composed of 70 places in 140 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:37] [INFO ] Deduced a trap composed of 67 places in 147 ms of which 20 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 12/23 constraints. Problems are: Problem set: 0 solved, 248 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:39] [INFO ] Deduced a trap composed of 62 places in 168 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:40] [INFO ] Deduced a trap composed of 62 places in 143 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:40] [INFO ] Deduced a trap composed of 67 places in 142 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:40] [INFO ] Deduced a trap composed of 61 places in 138 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:40] [INFO ] Deduced a trap composed of 62 places in 117 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:40] [INFO ] Deduced a trap composed of 62 places in 128 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:41] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 7/30 constraints. Problems are: Problem set: 0 solved, 248 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:42] [INFO ] Deduced a trap composed of 67 places in 134 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:42] [INFO ] Deduced a trap composed of 67 places in 141 ms of which 24 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 7 (OVERLAPS) 249/365 variables, 116/148 constraints. Problems are: Problem set: 0 solved, 248 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:51] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:52] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:52] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 3/151 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/365 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 10 (OVERLAPS) 0/365 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 248 unsolved
No progress, stopping.
After SMT solving in domain Real declared 365/365 variables, and 151 constraints, problems are : Problem set: 0 solved, 248 unsolved in 29912 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 116/116 constraints, PredecessorRefiner: 248/248 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 248 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 1 (OVERLAPS) 1/116 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/116 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 21/32 constraints. Problems are: Problem set: 0 solved, 248 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:03] [INFO ] Deduced a trap composed of 68 places in 122 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:03] [INFO ] Deduced a trap composed of 68 places in 141 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:03] [INFO ] Deduced a trap composed of 68 places in 128 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:03] [INFO ] Deduced a trap composed of 68 places in 140 ms of which 24 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 4/36 constraints. Problems are: Problem set: 0 solved, 248 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:05] [INFO ] Deduced a trap composed of 68 places in 126 ms of which 21 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 7 (OVERLAPS) 249/365 variables, 116/153 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 248/401 constraints. Problems are: Problem set: 0 solved, 248 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:09] [INFO ] Deduced a trap composed of 39 places in 82 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:10] [INFO ] Deduced a trap composed of 42 places in 99 ms of which 11 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/365 variables, 2/403 constraints. Problems are: Problem set: 0 solved, 248 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:15] [INFO ] Deduced a trap composed of 73 places in 92 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:16] [INFO ] Deduced a trap composed of 74 places in 127 ms of which 25 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/365 variables, 2/405 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/365 variables, 3/408 constraints. Problems are: Problem set: 0 solved, 248 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 365/365 variables, and 408 constraints, problems are : Problem set: 0 solved, 248 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 116/116 constraints, PredecessorRefiner: 248/248 constraints, Known Traps: 30/30 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 59987ms problems are : Problem set: 0 solved, 248 unsolved
Search for dead transitions found 0 dead transitions in 59988ms
Starting structural reductions in LTL mode, iteration 1 : 116/146 places, 249/316 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60437 ms. Remains : 116/146 places, 249/316 transitions.
Stuttering acceptance computed with spot in 80 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : MedleyA-PT-20-LTLCardinality-15
Entered a terminal (fully accepting) state of product in 275 steps with 7 reset in 1 ms.
FORMULA MedleyA-PT-20-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLCardinality-15 finished in 60532 ms.
All properties solved by simple procedures.
Total runtime 635050 ms.
BK_STOP 1748889272411
--------------------
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="MedleyA-PT-20"
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 MedleyA-PT-20, 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 r128-smll-174876524200251"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/MedleyA-PT-20.tgz
mv MedleyA-PT-20 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 ;