Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r128-smll-174876524200252.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 LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-174876524200252
=====================================================================

--------------------
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

--------------------
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-LTLFireability-00
FORMULA_NAME MedleyA-PT-20-LTLFireability-01
FORMULA_NAME MedleyA-PT-20-LTLFireability-02
FORMULA_NAME MedleyA-PT-20-LTLFireability-03
FORMULA_NAME MedleyA-PT-20-LTLFireability-04
FORMULA_NAME MedleyA-PT-20-LTLFireability-05
FORMULA_NAME MedleyA-PT-20-LTLFireability-06
FORMULA_NAME MedleyA-PT-20-LTLFireability-07
FORMULA_NAME MedleyA-PT-20-LTLFireability-08
FORMULA_NAME MedleyA-PT-20-LTLFireability-09
FORMULA_NAME MedleyA-PT-20-LTLFireability-10
FORMULA_NAME MedleyA-PT-20-LTLFireability-11
FORMULA_NAME MedleyA-PT-20-LTLFireability-12
FORMULA_NAME MedleyA-PT-20-LTLFireability-13
FORMULA_NAME MedleyA-PT-20-LTLFireability-14
FORMULA_NAME MedleyA-PT-20-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748888658873

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
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
LTLFireability PT
Running Version 202505121319
[2025-06-02 18:24:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 18:24:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 18:24:21] [INFO ] Load time of PNML (sax parser for PT used): 212 ms
[2025-06-02 18:24:21] [INFO ] Transformed 273 places.
[2025-06-02 18:24:21] [INFO ] Transformed 518 transitions.
[2025-06-02 18:24:21] [INFO ] Found NUPN structural information;
[2025-06-02 18:24:22] [INFO ] Parsed PT model containing 273 places and 518 transitions and 1795 arcs in 472 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 25 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA MedleyA-PT-20-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-20-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 38 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 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 179 place count 185 transition count 427
Discarding 26 places :
Symmetric choice reduction at 1 with 26 rule applications. Total rules 205 place count 159 transition count 351
Iterating global reduction 1 with 26 rules applied. Total rules applied 231 place count 159 transition count 351
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 235 place count 159 transition count 347
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 240 place count 154 transition count 337
Iterating global reduction 2 with 5 rules applied. Total rules applied 245 place count 154 transition count 337
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 246 place count 154 transition count 336
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 247 place count 153 transition count 333
Iterating global reduction 3 with 1 rules applied. Total rules applied 248 place count 153 transition count 333
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 249 place count 153 transition count 332
Applied a total of 249 rules in 138 ms. Remains 153 /273 variables (removed 120) and now considering 332/518 (removed 186) transitions.
// Phase 1: matrix 332 rows 153 cols
[2025-06-02 18:24:22] [INFO ] Computed 11 invariants in 26 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:24:23] [INFO ] Implicit Places using invariants in 538 ms returned []
[2025-06-02 18:24:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:24:23] [INFO ] Implicit Places using invariants and state equation in 588 ms returned []
Implicit Place search using SMT with State Equation took 1203 ms to find 0 implicit places.
Running 331 sub problems to find dead transitions.
[2025-06-02 18:24:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 331 unsolved
At refinement iteration 1 (OVERLAPS) 1/153 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 331 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 331 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:30] [INFO ] Deduced a trap composed of 38 places in 183 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:30] [INFO ] Deduced a trap composed of 57 places in 125 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:31] [INFO ] Deduced a trap composed of 80 places in 220 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:31] [INFO ] Deduced a trap composed of 81 places in 202 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:31] [INFO ] Deduced a trap composed of 81 places in 173 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:31] [INFO ] Deduced a trap composed of 94 places in 150 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:31] [INFO ] Deduced a trap composed of 94 places in 161 ms of which 22 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 96 places in 189 ms of which 22 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 96 places in 182 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 15 places in 99 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:33] [INFO ] Deduced a trap composed of 11 places in 57 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/153 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 331 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:36] [INFO ] Deduced a trap composed of 55 places in 137 ms of which 10 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/153 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 331 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:39] [INFO ] Deduced a trap composed of 81 places in 184 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:39] [INFO ] Deduced a trap composed of 43 places in 197 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:39] [INFO ] Deduced a trap composed of 81 places in 180 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:40] [INFO ] Deduced a trap composed of 86 places in 172 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:40] [INFO ] Deduced a trap composed of 80 places in 183 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:40] [INFO ] Deduced a trap composed of 84 places in 189 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:40] [INFO ] Deduced a trap composed of 41 places in 102 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:40] [INFO ] Deduced a trap composed of 39 places in 103 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:41] [INFO ] Deduced a trap composed of 12 places in 60 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/153 variables, 9/32 constraints. Problems are: Problem set: 0 solved, 331 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:43] [INFO ] Deduced a trap composed of 41 places in 241 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:44] [INFO ] Deduced a trap composed of 41 places in 96 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/153 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 331 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 331 unsolved
At refinement iteration 8 (OVERLAPS) 332/485 variables, 153/187 constraints. Problems are: Problem set: 0 solved, 331 unsolved
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 86 places in 173 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:52] [INFO ] Deduced a trap composed of 97 places in 189 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:52] [INFO ] Deduced a trap composed of 97 places in 201 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:52] [INFO ] Deduced a trap composed of 90 places in 162 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:53] [INFO ] Deduced a trap composed of 84 places in 170 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:53] [INFO ] Deduced a trap composed of 94 places in 161 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:53] [INFO ] Deduced a trap composed of 90 places in 150 ms of which 22 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 485/485 variables, and 194 constraints, problems are : Problem set: 0 solved, 331 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 153/153 constraints, PredecessorRefiner: 331/331 constraints, Known Traps: 30/30 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 331 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 331 unsolved
At refinement iteration 1 (OVERLAPS) 1/153 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 331 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 331 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/153 variables, 30/41 constraints. Problems are: Problem set: 0 solved, 331 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:57] [INFO ] Deduced a trap composed of 102 places in 194 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:57] [INFO ] Deduced a trap composed of 92 places in 207 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:57] [INFO ] Deduced a trap composed of 88 places in 210 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:58] [INFO ] Deduced a trap composed of 93 places in 217 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:58] [INFO ] Deduced a trap composed of 88 places in 195 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:59] [INFO ] Deduced a trap composed of 40 places in 172 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:59] [INFO ] Deduced a trap composed of 51 places in 143 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:59] [INFO ] Deduced a trap composed of 46 places in 144 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:24:59] [INFO ] Deduced a trap composed of 57 places in 135 ms of which 14 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/153 variables, 9/50 constraints. Problems are: Problem set: 0 solved, 331 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:01] [INFO ] Deduced a trap composed of 86 places in 212 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:01] [INFO ] Deduced a trap composed of 86 places in 162 ms of which 32 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/153 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 331 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/153 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 331 unsolved
At refinement iteration 7 (OVERLAPS) 332/485 variables, 153/205 constraints. Problems are: Problem set: 0 solved, 331 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/485 variables, 331/536 constraints. Problems are: Problem set: 0 solved, 331 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:11] [INFO ] Deduced a trap composed of 16 places in 165 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:12] [INFO ] Deduced a trap composed of 42 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 18:25:13] [INFO ] Deduced a trap composed of 87 places in 194 ms of which 36 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/485 variables, 3/539 constraints. Problems are: Problem set: 0 solved, 331 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 44 places in 161 ms of which 17 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 485/485 variables, and 540 constraints, problems are : Problem set: 0 solved, 331 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 153/153 constraints, PredecessorRefiner: 331/331 constraints, Known Traps: 45/45 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60527ms problems are : Problem set: 0 solved, 331 unsolved
Search for dead transitions found 0 dead transitions in 60558ms
Starting structural reductions in LTL mode, iteration 1 : 153/273 places, 332/518 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61941 ms. Remains : 153/273 places, 332/518 transitions.
Support contains 38 out of 153 places after structural reductions.
[2025-06-02 18:25:24] [INFO ] Flatten gal took : 116 ms
[2025-06-02 18:25:24] [INFO ] Flatten gal took : 61 ms
[2025-06-02 18:25:25] [INFO ] Input system was already deterministic with 332 transitions.
Support contains 37 out of 153 places (down from 38) after GAL structural reductions.
RANDOM walk for 40000 steps (38 resets) in 1535 ms. (26 steps per ms) remains 8/29 properties
BEST_FIRST walk for 40002 steps (37 resets) in 358 ms. (111 steps per ms) remains 5/8 properties
BEST_FIRST walk for 40004 steps (35 resets) in 222 ms. (179 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40002 steps (21 resets) in 202 ms. (197 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (31 resets) in 200 ms. (199 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (29 resets) in 488 ms. (81 steps per ms) remains 4/4 properties
[2025-06-02 18:25:26] [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) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem AtomicPropp25 is UNSAT
At refinement iteration 1 (OVERLAPS) 54/61 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 61/122 variables, 6/9 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 31/153 variables, 2/11 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/153 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 332/485 variables, 153/164 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/485 variables, 0/164 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/485 variables, 0/164 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 485/485 variables, and 164 constraints, problems are : Problem set: 1 solved, 3 unsolved in 331 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 153/153 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 56/61 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 61/122 variables, 6/9 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:26] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:26] [INFO ] Deduced a trap composed of 41 places in 75 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 2/11 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 31/153 variables, 2/13 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 0/13 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 332/485 variables, 153/166 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/485 variables, 3/169 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/485 variables, 0/169 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/485 variables, 0/169 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 485/485 variables, and 169 constraints, problems are : Problem set: 1 solved, 3 unsolved in 736 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 153/153 constraints, PredecessorRefiner: 3/4 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1081ms problems are : Problem set: 1 solved, 3 unsolved
Finished Parikh walk after 945 steps, including 24 resets, run visited all 3 properties in 20 ms. (steps per millisecond=47 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 44 ms.
FORMULA MedleyA-PT-20-LTLFireability-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
Computed a total of 14 stabilizing places and 19 stable transitions
FORMULA MedleyA-PT-20-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)||G(p1)))'
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 332/332 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 132 transition count 296
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 132 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 45 place count 132 transition count 293
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 55 place count 122 transition count 268
Iterating global reduction 1 with 10 rules applied. Total rules applied 65 place count 122 transition count 268
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 67 place count 122 transition count 266
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 69 place count 120 transition count 262
Iterating global reduction 2 with 2 rules applied. Total rules applied 71 place count 120 transition count 262
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 72 place count 119 transition count 259
Iterating global reduction 2 with 1 rules applied. Total rules applied 73 place count 119 transition count 259
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 74 place count 119 transition count 258
Applied a total of 74 rules in 37 ms. Remains 119 /153 variables (removed 34) and now considering 258/332 (removed 74) transitions.
// Phase 1: matrix 258 rows 119 cols
[2025-06-02 18:25:27] [INFO ] Computed 11 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:25:27] [INFO ] Implicit Places using invariants in 185 ms returned []
[2025-06-02 18:25:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:25:28] [INFO ] Implicit Places using invariants and state equation in 349 ms returned []
Implicit Place search using SMT with State Equation took 538 ms to find 0 implicit places.
Running 257 sub problems to find dead transitions.
[2025-06-02 18:25:28] [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, 257 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 257 unsolved
At refinement iteration 2 (OVERLAPS) 1/119 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 257 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/119 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 257 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:33] [INFO ] Deduced a trap composed of 37 places in 113 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:33] [INFO ] Deduced a trap composed of 47 places in 85 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:34] [INFO ] Deduced a trap composed of 62 places in 192 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:34] [INFO ] Deduced a trap composed of 68 places in 159 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:34] [INFO ] Deduced a trap composed of 68 places in 157 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:34] [INFO ] Deduced a trap composed of 73 places in 156 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:34] [INFO ] Deduced a trap composed of 63 places in 167 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:35] [INFO ] Deduced a trap composed of 63 places in 148 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:35] [INFO ] Deduced a trap composed of 63 places in 132 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:35] [INFO ] Deduced a trap composed of 67 places in 128 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:35] [INFO ] Deduced a trap composed of 68 places in 123 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:35] [INFO ] Deduced a trap composed of 62 places in 141 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:35] [INFO ] Deduced a trap composed of 68 places in 153 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:36] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 257 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 36 places in 87 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 257 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/119 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 257 unsolved
At refinement iteration 7 (OVERLAPS) 258/377 variables, 119/145 constraints. Problems are: Problem set: 0 solved, 257 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:43] [INFO ] Deduced a trap composed of 68 places in 104 ms of which 15 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/377 variables, 1/146 constraints. Problems are: Problem set: 0 solved, 257 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:49] [INFO ] Deduced a trap along path composed of 3 places in 44 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:50] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:50] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/377 variables, 3/149 constraints. Problems are: Problem set: 0 solved, 257 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 257 unsolved
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 Real declared 377/377 variables, and 149 constraints, problems are : Problem set: 0 solved, 257 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 119/119 constraints, PredecessorRefiner: 257/257 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 257 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, 257 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 257 unsolved
At refinement iteration 2 (OVERLAPS) 1/119 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 257 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/119 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 257 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 16/27 constraints. Problems are: Problem set: 0 solved, 257 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:59] [INFO ] Deduced a trap composed of 70 places in 139 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:59] [INFO ] Deduced a trap composed of 70 places in 127 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:25:59] [INFO ] Deduced a trap composed of 73 places in 128 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:00] [INFO ] Deduced a trap composed of 69 places in 125 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:00] [INFO ] Deduced a trap composed of 63 places in 90 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:00] [INFO ] Deduced a trap composed of 63 places in 89 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 257 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/119 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 257 unsolved
At refinement iteration 7 (OVERLAPS) 258/377 variables, 119/152 constraints. Problems are: Problem set: 0 solved, 257 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/377 variables, 257/409 constraints. Problems are: Problem set: 0 solved, 257 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:05] [INFO ] Deduced a trap composed of 74 places in 149 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:06] [INFO ] Deduced a trap composed of 69 places in 140 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:06] [INFO ] Deduced a trap composed of 69 places in 144 ms of which 25 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/377 variables, 3/412 constraints. Problems are: Problem set: 0 solved, 257 unsolved
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 42 places in 93 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:12] [INFO ] Deduced a trap composed of 39 places in 111 ms of which 10 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/414 constraints. Problems are: Problem set: 0 solved, 257 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:21] [INFO ] Deduced a trap composed of 74 places in 140 ms of which 24 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 1/415 constraints. Problems are: Problem set: 0 solved, 257 unsolved
SMT process timed out in 60156ms, After SMT, problems are : Problem set: 0 solved, 257 unsolved
Search for dead transitions found 0 dead transitions in 60161ms
Starting structural reductions in LTL mode, iteration 1 : 119/153 places, 258/332 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60738 ms. Remains : 119/153 places, 258/332 transitions.
Stuttering acceptance computed with spot in 458 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : MedleyA-PT-20-LTLFireability-00
Product exploration explored 100000 steps with 50000 reset in 396 ms.
Product exploration explored 100000 steps with 50000 reset in 310 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 p0 (NOT p1)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 32 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA MedleyA-PT-20-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property MedleyA-PT-20-LTLFireability-00 finished in 62084 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 1 out of 153 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 332/332 transitions.
Graph (trivial) has 124 edges and 153 vertex of which 21 / 153 are part of one of the 3 SCC in 4 ms
Free SCC test removed 18 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 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 134 transition count 299
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 7 place count 132 transition count 297
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 7 place count 132 transition count 290
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 21 place count 125 transition count 290
Discarding 18 places :
Symmetric choice reduction at 2 with 18 rule applications. Total rules 39 place count 107 transition count 256
Iterating global reduction 2 with 18 rules applied. Total rules applied 57 place count 107 transition count 256
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 4 rules applied. Total rules applied 61 place count 107 transition count 252
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 63 place count 106 transition count 251
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 63 place count 106 transition count 249
Deduced a syphon composed of 2 places in 18 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 67 place count 104 transition count 249
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 70 place count 101 transition count 241
Iterating global reduction 4 with 3 rules applied. Total rules applied 73 place count 101 transition count 241
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 74 place count 100 transition count 238
Iterating global reduction 4 with 1 rules applied. Total rules applied 75 place count 100 transition count 238
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 76 place count 100 transition count 237
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 5 with 30 rules applied. Total rules applied 106 place count 85 transition count 222
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 107 place count 85 transition count 221
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 113 place count 79 transition count 203
Iterating global reduction 6 with 6 rules applied. Total rules applied 119 place count 79 transition count 203
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 123 place count 79 transition count 199
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 7 with 16 rules applied. Total rules applied 139 place count 71 transition count 213
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 7 with 6 rules applied. Total rules applied 145 place count 71 transition count 207
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 147 place count 69 transition count 201
Iterating global reduction 7 with 2 rules applied. Total rules applied 149 place count 69 transition count 201
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 151 place count 69 transition count 199
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 153 place count 67 transition count 197
Applied a total of 153 rules in 204 ms. Remains 67 /153 variables (removed 86) and now considering 197/332 (removed 135) transitions.
[2025-06-02 18:26:29] [INFO ] Flow matrix only has 188 transitions (discarded 9 similar events)
// Phase 1: matrix 188 rows 67 cols
[2025-06-02 18:26:29] [INFO ] Computed 11 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:26:30] [INFO ] Implicit Places using invariants in 160 ms returned []
[2025-06-02 18:26:30] [INFO ] Flow matrix only has 188 transitions (discarded 9 similar events)
[2025-06-02 18:26:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:26:30] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 18:26:30] [INFO ] Implicit Places using invariants and state equation in 211 ms returned []
Implicit Place search using SMT with State Equation took 376 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 18:26:30] [INFO ] Redundant transitions in 9 ms returned []
Running 172 sub problems to find dead transitions.
[2025-06-02 18:26:30] [INFO ] Flow matrix only has 188 transitions (discarded 9 similar events)
[2025-06-02 18:26:30] [INFO ] Invariant cache hit.
[2025-06-02 18:26:30] [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, 8/8 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (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 18:26:34] [INFO ] Deduced a trap composed of 36 places in 95 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:26:34] [INFO ] Deduced a trap composed of 39 places in 110 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (OVERLAPS) 187/254 variables, 67/80 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/254 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/254 variables, 0/81 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 18:26:42] [INFO ] Deduced a trap along path composed of 2 places in 32 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/254 variables, 1/82 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 18:26:44] [INFO ] Deduced a trap along path composed of 2 places in 27 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/254 variables, 1/83 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 18:26:46] [INFO ] Deduced a trap composed of 39 places in 116 ms of which 7 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/254 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/254 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 14 (OVERLAPS) 0/254 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 172 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/255 variables, and 84 constraints, problems are : Problem set: 0 solved, 172 unsolved in 22241 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 2/2 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, 8/8 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (OVERLAPS) 1/67 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (OVERLAPS) 187/254 variables, 67/81 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/254 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/254 variables, 172/254 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/254 variables, 2/256 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/254 variables, 0/256 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 18:27:02] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/254 variables, 1/257 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/254 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 14 (OVERLAPS) 0/254 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 172 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/255 variables, and 257 constraints, problems are : Problem set: 0 solved, 172 unsolved in 26244 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 1/1 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 48538ms problems are : Problem set: 0 solved, 172 unsolved
Search for dead transitions found 0 dead transitions in 48539ms
Starting structural reductions in SI_LTL mode, iteration 1 : 67/153 places, 197/332 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 49136 ms. Remains : 67/153 places, 197/332 transitions.
Stuttering acceptance computed with spot in 107 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : MedleyA-PT-20-LTLFireability-01
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA MedleyA-PT-20-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLFireability-01 finished in 49270 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 153 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 332/332 transitions.
Graph (trivial) has 124 edges and 153 vertex of which 21 / 153 are part of one of the 3 SCC in 1 ms
Free SCC test removed 18 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 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 134 transition count 299
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 7 place count 132 transition count 297
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 7 place count 132 transition count 290
Deduced a syphon composed of 7 places in 2 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 21 place count 125 transition count 290
Discarding 19 places :
Symmetric choice reduction at 2 with 19 rule applications. Total rules 40 place count 106 transition count 255
Iterating global reduction 2 with 19 rules applied. Total rules applied 59 place count 106 transition count 255
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 4 rules applied. Total rules applied 63 place count 106 transition count 251
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 65 place count 105 transition count 250
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 3 Pre rules applied. Total rules applied 65 place count 105 transition count 247
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 71 place count 102 transition count 247
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 74 place count 99 transition count 239
Iterating global reduction 4 with 3 rules applied. Total rules applied 77 place count 99 transition count 239
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 78 place count 98 transition count 236
Iterating global reduction 4 with 1 rules applied. Total rules applied 79 place count 98 transition count 236
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 80 place count 98 transition count 235
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 5 with 26 rules applied. Total rules applied 106 place count 85 transition count 222
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 107 place count 85 transition count 221
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 113 place count 79 transition count 203
Iterating global reduction 6 with 6 rules applied. Total rules applied 119 place count 79 transition count 203
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 123 place count 79 transition count 199
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 7 with 16 rules applied. Total rules applied 139 place count 71 transition count 213
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 7 with 6 rules applied. Total rules applied 145 place count 71 transition count 207
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 147 place count 69 transition count 201
Iterating global reduction 7 with 2 rules applied. Total rules applied 149 place count 69 transition count 201
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 151 place count 69 transition count 199
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 153 place count 67 transition count 197
Applied a total of 153 rules in 108 ms. Remains 67 /153 variables (removed 86) and now considering 197/332 (removed 135) transitions.
[2025-06-02 18:27:19] [INFO ] Flow matrix only has 187 transitions (discarded 10 similar events)
// Phase 1: matrix 187 rows 67 cols
[2025-06-02 18:27:19] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:27:19] [INFO ] Implicit Places using invariants in 132 ms returned []
[2025-06-02 18:27:19] [INFO ] Flow matrix only has 187 transitions (discarded 10 similar events)
[2025-06-02 18:27:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:27:19] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 18:27:19] [INFO ] Implicit Places using invariants and state equation in 185 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 18:27:19] [INFO ] Redundant transitions in 14 ms returned []
Running 172 sub problems to find dead transitions.
[2025-06-02 18:27:19] [INFO ] Flow matrix only has 187 transitions (discarded 10 similar events)
[2025-06-02 18:27:19] [INFO ] Invariant cache hit.
[2025-06-02 18:27:19] [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 18:27:23] [INFO ] Deduced a trap composed of 39 places in 110 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (OVERLAPS) 186/253 variables, 67/79 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/253 variables, 1/80 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 18:27:27] [INFO ] Deduced a trap composed of 39 places in 103 ms of which 6 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/253 variables, 1/81 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 18:27:29] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/253 variables, 1/82 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 18:27:32] [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) 0/253 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/253 variables, 0/83 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 18:27:38] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 0 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/253 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/253 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 16 (OVERLAPS) 0/253 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 172 unsolved
No progress, stopping.
After SMT solving in domain Real declared 253/254 variables, and 84 constraints, problems are : Problem set: 0 solved, 172 unsolved in 26244 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: 3/3 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
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, 172/253 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/253 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/253 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 13 (OVERLAPS) 0/253 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 172 unsolved
No progress, stopping.
After SMT solving in domain Int declared 253/254 variables, and 256 constraints, problems are : Problem set: 0 solved, 172 unsolved in 15831 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: 3/3 constraints]
After SMT, in 42153ms problems are : Problem set: 0 solved, 172 unsolved
Search for dead transitions found 0 dead transitions in 42154ms
Starting structural reductions in SI_LTL mode, iteration 1 : 67/153 places, 197/332 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 42608 ms. Remains : 67/153 places, 197/332 transitions.
Stuttering acceptance computed with spot in 52 ms :[(NOT p0)]
Running random walk in product with property : MedleyA-PT-20-LTLFireability-02
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA MedleyA-PT-20-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLFireability-02 finished in 42679 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(F((p0&&(p1 U X(p2)))))||(F((p0&&(p1 U X(p2))))&&X(X(!p0))))))'
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 332/332 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 135 transition count 298
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 135 transition count 298
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 38 place count 135 transition count 296
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 47 place count 126 transition count 274
Iterating global reduction 1 with 9 rules applied. Total rules applied 56 place count 126 transition count 274
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 126 transition count 272
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 61 place count 123 transition count 265
Iterating global reduction 2 with 3 rules applied. Total rules applied 64 place count 123 transition count 265
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 65 place count 123 transition count 264
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 66 place count 122 transition count 261
Iterating global reduction 3 with 1 rules applied. Total rules applied 67 place count 122 transition count 261
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 68 place count 122 transition count 260
Applied a total of 68 rules in 17 ms. Remains 122 /153 variables (removed 31) and now considering 260/332 (removed 72) transitions.
// Phase 1: matrix 260 rows 122 cols
[2025-06-02 18:28:01] [INFO ] Computed 11 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:28:01] [INFO ] Implicit Places using invariants in 158 ms returned []
[2025-06-02 18:28:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:28:02] [INFO ] Implicit Places using invariants and state equation in 335 ms returned []
Implicit Place search using SMT with State Equation took 507 ms to find 0 implicit places.
Running 259 sub problems to find dead transitions.
[2025-06-02 18:28:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (OVERLAPS) 1/122 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:06] [INFO ] Deduced a trap composed of 37 places in 99 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:06] [INFO ] Deduced a trap composed of 47 places in 96 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:06] [INFO ] Deduced a trap composed of 65 places in 202 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:06] [INFO ] Deduced a trap composed of 66 places in 213 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:06] [INFO ] Deduced a trap composed of 72 places in 186 ms of which 37 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 71 places in 190 ms of which 35 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 66 places in 179 ms of which 26 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 71 places in 148 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:07] [INFO ] Deduced a trap composed of 75 places in 146 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:07] [INFO ] Deduced a trap composed of 72 places in 146 ms of which 16 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 76 places in 177 ms of which 23 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 72 places in 145 ms of which 8 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 73 places in 153 ms of which 18 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 75 places in 177 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 71 places in 157 ms of which 23 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 76 places in 147 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:09] [INFO ] Deduced a trap composed of 43 places in 131 ms of which 10 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 126 ms of which 13 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 18/29 constraints. Problems are: Problem set: 0 solved, 259 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 67 places in 135 ms of which 13 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 67 places in 145 ms of which 18 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 71 places in 127 ms of which 7 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 65 places in 149 ms of which 15 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 15 places in 57 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 5/34 constraints. Problems are: Problem set: 0 solved, 259 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 73 places in 150 ms of which 25 ms to minimize.
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 73 places in 152 ms of which 28 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:16] [INFO ] Deduced a trap composed of 66 places in 141 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:16] [INFO ] Deduced a trap composed of 66 places in 130 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:16] [INFO ] Deduced a trap composed of 70 places in 145 ms of which 25 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 8 (OVERLAPS) 260/382 variables, 122/161 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:22] [INFO ] Deduced a trap composed of 72 places in 132 ms of which 24 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/382 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:31] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:32] [INFO ] Deduced a trap along path composed of 3 places in 26 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 Real declared 382/382 variables, and 164 constraints, problems are : Problem set: 0 solved, 259 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 122/122 constraints, PredecessorRefiner: 259/259 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (OVERLAPS) 1/122 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 29/40 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:34] [INFO ] Deduced a trap composed of 67 places in 162 ms of which 16 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 6 (OVERLAPS) 260/382 variables, 122/163 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/382 variables, 259/422 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:38] [INFO ] Deduced a trap composed of 78 places in 115 ms of which 15 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/382 variables, 1/423 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:45] [INFO ] Deduced a trap composed of 39 places in 134 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:47] [INFO ] Deduced a trap composed of 37 places in 77 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/382 variables, 2/425 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:28:55] [INFO ] Deduced a trap composed of 56 places in 139 ms of which 10 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/382 variables, 1/426 constraints. Problems are: Problem set: 0 solved, 259 unsolved
SMT process timed out in 60097ms, After SMT, problems are : Problem set: 0 solved, 259 unsolved
Search for dead transitions found 0 dead transitions in 60099ms
Starting structural reductions in LTL mode, iteration 1 : 122/153 places, 260/332 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60624 ms. Remains : 122/153 places, 260/332 transitions.
Stuttering acceptance computed with spot in 511 ms :[(OR (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p2)), (AND p0 (NOT p2)), (NOT p2), (NOT p2), (AND p0 (NOT p2)), (AND p0 (NOT p2)), (AND p0 (NOT p2))]
Running random walk in product with property : MedleyA-PT-20-LTLFireability-04
Product exploration explored 100000 steps with 1 reset in 317 ms.
Stuttering criterion allowed to conclude after 44 steps with 3 reset in 0 ms.
FORMULA MedleyA-PT-20-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLFireability-04 finished in 61496 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||F(p1)))))'
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 332/332 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 133 transition count 297
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 133 transition count 297
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 41 place count 133 transition count 296
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 51 place count 123 transition count 270
Iterating global reduction 1 with 10 rules applied. Total rules applied 61 place count 123 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 63 place count 123 transition count 268
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 66 place count 120 transition count 261
Iterating global reduction 2 with 3 rules applied. Total rules applied 69 place count 120 transition count 261
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 70 place count 120 transition count 260
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 71 place count 119 transition count 257
Iterating global reduction 3 with 1 rules applied. Total rules applied 72 place count 119 transition count 257
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 73 place count 119 transition count 256
Applied a total of 73 rules in 14 ms. Remains 119 /153 variables (removed 34) and now considering 256/332 (removed 76) transitions.
// Phase 1: matrix 256 rows 119 cols
[2025-06-02 18:29:03] [INFO ] Computed 11 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:29:03] [INFO ] Implicit Places using invariants in 166 ms returned []
[2025-06-02 18:29:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:29:03] [INFO ] Implicit Places using invariants and state equation in 305 ms returned []
Implicit Place search using SMT with State Equation took 473 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-02 18:29:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/119 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/119 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:08] [INFO ] Deduced a trap composed of 37 places in 114 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:08] [INFO ] Deduced a trap composed of 47 places in 102 ms of which 7 ms to minimize.
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 62 places in 192 ms of which 26 ms to minimize.
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 63 places in 170 ms of which 24 ms to minimize.
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 63 places in 171 ms of which 17 ms to minimize.
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 63 places in 126 ms of which 23 ms to minimize.
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 66 places in 122 ms of which 7 ms to minimize.
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 68 places in 115 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:10] [INFO ] Deduced a trap composed of 62 places in 145 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:10] [INFO ] Deduced a trap composed of 68 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 18:29:10] [INFO ] Deduced a trap composed of 36 places in 87 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:10] [INFO ] Deduced a trap composed of 15 places in 75 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 12/23 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/375 variables, 119/142 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:17] [INFO ] Deduced a trap composed of 68 places in 160 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:17] [INFO ] Deduced a trap composed of 68 places in 135 ms of which 16 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/375 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:21] [INFO ] Deduced a trap composed of 68 places in 148 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:21] [INFO ] Deduced a trap composed of 63 places in 133 ms of which 15 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/375 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:26] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:27] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:27] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/375 variables, 3/149 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/375 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 375/375 variables, and 149 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 119/119 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 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, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/119 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/119 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 16/27 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:34] [INFO ] Deduced a trap composed of 69 places in 84 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:34] [INFO ] Deduced a trap composed of 69 places in 91 ms of which 16 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/119 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/375 variables, 119/148 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/375 variables, 255/403 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:39] [INFO ] Deduced a trap composed of 39 places in 116 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:39] [INFO ] Deduced a trap composed of 42 places in 152 ms of which 23 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/375 variables, 2/405 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:45] [INFO ] Deduced a trap composed of 74 places in 144 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:29:45] [INFO ] Deduced a trap composed of 75 places in 163 ms of which 21 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/375 variables, 2/407 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/375 variables, 3/410 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 375/375 variables, and 410 constraints, problems are : Problem set: 0 solved, 255 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: 255/255 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 60097ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60099ms
Starting structural reductions in LTL mode, iteration 1 : 119/153 places, 256/332 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60588 ms. Remains : 119/153 places, 256/332 transitions.
Stuttering acceptance computed with spot in 218 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : MedleyA-PT-20-LTLFireability-06
Stuttering criterion allowed to conclude after 21 steps with 0 reset in 1 ms.
FORMULA MedleyA-PT-20-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLFireability-06 finished in 60828 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 p1) U X((G(!p2)||F(p3)))))'
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 332/332 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 133 transition count 295
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 133 transition count 295
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 43 place count 133 transition count 292
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 52 place count 124 transition count 271
Iterating global reduction 1 with 9 rules applied. Total rules applied 61 place count 124 transition count 271
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 63 place count 124 transition count 269
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 66 place count 121 transition count 262
Iterating global reduction 2 with 3 rules applied. Total rules applied 69 place count 121 transition count 262
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 70 place count 121 transition count 261
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 71 place count 120 transition count 258
Iterating global reduction 3 with 1 rules applied. Total rules applied 72 place count 120 transition count 258
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 73 place count 120 transition count 257
Applied a total of 73 rules in 14 ms. Remains 120 /153 variables (removed 33) and now considering 257/332 (removed 75) transitions.
// Phase 1: matrix 257 rows 120 cols
[2025-06-02 18:30:04] [INFO ] Computed 11 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:30:04] [INFO ] Implicit Places using invariants in 171 ms returned []
[2025-06-02 18:30:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:30:04] [INFO ] Implicit Places using invariants and state equation in 313 ms returned []
Implicit Place search using SMT with State Equation took 506 ms to find 0 implicit places.
Running 256 sub problems to find dead transitions.
[2025-06-02 18:30:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 2 (OVERLAPS) 1/120 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/120 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:09] [INFO ] Deduced a trap composed of 37 places in 94 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:09] [INFO ] Deduced a trap composed of 63 places in 183 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:10] [INFO ] Deduced a trap composed of 64 places in 175 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:10] [INFO ] Deduced a trap composed of 69 places in 199 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:10] [INFO ] Deduced a trap composed of 69 places in 181 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:10] [INFO ] Deduced a trap composed of 64 places in 176 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:10] [INFO ] Deduced a trap composed of 67 places in 155 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:11] [INFO ] Deduced a trap composed of 70 places in 152 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:11] [INFO ] Deduced a trap composed of 69 places in 156 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:11] [INFO ] Deduced a trap composed of 71 places in 165 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:11] [INFO ] Deduced a trap composed of 70 places in 170 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:11] [INFO ] Deduced a trap composed of 63 places in 151 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:11] [INFO ] Deduced a trap composed of 69 places in 152 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:12] [INFO ] Deduced a trap composed of 67 places in 161 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:12] [INFO ] Deduced a trap composed of 36 places in 81 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:12] [INFO ] Deduced a trap composed of 65 places in 134 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:13] [INFO ] Deduced a trap composed of 64 places in 133 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:13] [INFO ] Deduced a trap composed of 64 places in 136 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:13] [INFO ] Deduced a trap composed of 36 places in 72 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 19/30 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:14] [INFO ] Deduced a trap composed of 69 places in 135 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:14] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:15] [INFO ] Deduced a trap composed of 71 places in 150 ms of which 26 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/120 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:15] [INFO ] Deduced a trap composed of 47 places in 90 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/120 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/120 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 8 (OVERLAPS) 257/377 variables, 120/154 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:21] [INFO ] Deduced a trap composed of 68 places in 129 ms of which 27 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/377 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:30] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:30] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:30] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 3/158 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 377/377 variables, and 158 constraints, problems are : Problem set: 0 solved, 256 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 120/120 constraints, PredecessorRefiner: 256/256 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 2 (OVERLAPS) 1/120 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/120 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 24/35 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/120 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 6 (OVERLAPS) 257/377 variables, 120/155 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/377 variables, 256/411 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:39] [INFO ] Deduced a trap composed of 75 places in 140 ms of which 27 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/377 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:44] [INFO ] Deduced a trap composed of 74 places in 167 ms of which 30 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/377 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:51] [INFO ] Deduced a trap composed of 39 places in 121 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:30:52] [INFO ] Deduced a trap composed of 77 places in 136 ms of which 28 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/415 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:01] [INFO ] Deduced a trap composed of 54 places in 126 ms of which 9 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 composed of 55 places in 121 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:01] [INFO ] Deduced a trap composed of 55 places in 116 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 377/377 variables, and 418 constraints, problems are : Problem set: 0 solved, 256 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 120/120 constraints, PredecessorRefiner: 256/256 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/3 constraints]
After SMT, in 60089ms problems are : Problem set: 0 solved, 256 unsolved
Search for dead transitions found 0 dead transitions in 60091ms
Starting structural reductions in LTL mode, iteration 1 : 120/153 places, 257/332 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60612 ms. Remains : 120/153 places, 257/332 transitions.
Stuttering acceptance computed with spot in 295 ms :[(AND p2 (NOT p3)), (AND (NOT p3) p2), (AND (NOT p1) p2 (NOT p3)), (AND p2 (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : MedleyA-PT-20-LTLFireability-07
Product exploration explored 100000 steps with 50000 reset in 158 ms.
Product exploration explored 100000 steps with 50000 reset in 206 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 (NOT p1) p0 (NOT p2) p3), (X (NOT p2)), (X p3), (X (NOT (AND p2 (NOT p3)))), (X (NOT (AND (NOT p1) p0 p2 (NOT p3)))), (X (NOT (OR (AND p1 p2 (NOT p3)) (AND p0 p2 (NOT p3))))), (X (NOT (AND (NOT p1) (NOT p0) p2 (NOT p3)))), (X (NOT (AND (NOT p1) p0 (NOT p3)))), (X (NOT (AND (NOT p1) (NOT p0) (NOT p3)))), (X p0), (X (NOT (OR (AND p1 (NOT p2) (NOT p3)) (AND p0 (NOT p2) (NOT p3))))), (X (NOT (AND (NOT p2) (NOT p3)))), (X (NOT p1)), (X (X (NOT p2))), (X (X p3)), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p1) p0 p2 (NOT p3))))), (X (X (NOT (OR (AND p1 p2 (NOT p3)) (AND p0 p2 (NOT p3)))))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p0) p2 (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p3))))), (X (X p0)), (X (X (NOT (OR (AND p1 (NOT p2) (NOT p3)) (AND p0 (NOT p2) (NOT p3)))))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 25 factoid took 28 ms. Reduced automaton from 6 states, 14 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA MedleyA-PT-20-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property MedleyA-PT-20-LTLFireability-07 finished in 61342 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 332/332 transitions.
Graph (trivial) has 118 edges and 153 vertex of which 21 / 153 are part of one of the 3 SCC in 1 ms
Free SCC test removed 18 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 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 134 transition count 299
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 7 place count 132 transition count 297
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 7 place count 132 transition count 290
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 21 place count 125 transition count 290
Discarding 18 places :
Symmetric choice reduction at 2 with 18 rule applications. Total rules 39 place count 107 transition count 258
Iterating global reduction 2 with 18 rules applied. Total rules applied 57 place count 107 transition count 258
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 3 rules applied. Total rules applied 60 place count 107 transition count 255
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 62 place count 106 transition count 254
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 62 place count 106 transition count 253
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 64 place count 105 transition count 253
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 67 place count 102 transition count 245
Iterating global reduction 4 with 3 rules applied. Total rules applied 70 place count 102 transition count 245
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 71 place count 101 transition count 242
Iterating global reduction 4 with 1 rules applied. Total rules applied 72 place count 101 transition count 242
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 73 place count 101 transition count 241
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 5 with 28 rules applied. Total rules applied 101 place count 87 transition count 227
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 102 place count 87 transition count 226
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 108 place count 81 transition count 208
Iterating global reduction 6 with 6 rules applied. Total rules applied 114 place count 81 transition count 208
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 118 place count 81 transition count 204
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 7 with 14 rules applied. Total rules applied 132 place count 74 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 7 with 6 rules applied. Total rules applied 138 place count 74 transition count 211
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 140 place count 72 transition count 205
Iterating global reduction 7 with 2 rules applied. Total rules applied 142 place count 72 transition count 205
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 144 place count 72 transition count 203
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 146 place count 70 transition count 201
Applied a total of 146 rules in 74 ms. Remains 70 /153 variables (removed 83) and now considering 201/332 (removed 131) transitions.
[2025-06-02 18:31:05] [INFO ] Flow matrix only has 192 transitions (discarded 9 similar events)
// Phase 1: matrix 192 rows 70 cols
[2025-06-02 18:31:05] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:31:05] [INFO ] Implicit Places using invariants in 133 ms returned []
[2025-06-02 18:31:05] [INFO ] Flow matrix only has 192 transitions (discarded 9 similar events)
[2025-06-02 18:31:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:31:05] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 18:31:05] [INFO ] Implicit Places using invariants and state equation in 227 ms returned []
Implicit Place search using SMT with State Equation took 362 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 18:31:05] [INFO ] Redundant transitions in 4 ms returned []
Running 175 sub problems to find dead transitions.
[2025-06-02 18:31:05] [INFO ] Flow matrix only has 192 transitions (discarded 9 similar events)
[2025-06-02 18:31:05] [INFO ] Invariant cache hit.
[2025-06-02 18:31:05] [INFO ] State equation strengthened by 2 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, 6/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 3/69 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 1/70 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:10] [INFO ] Deduced a trap composed of 41 places in 85 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:10] [INFO ] Deduced a trap composed of 40 places in 96 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/70 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (OVERLAPS) 191/261 variables, 70/83 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 2/85 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 11 (OVERLAPS) 0/261 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 261/262 variables, and 85 constraints, problems are : Problem set: 0 solved, 175 unsolved in 13816 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 70/70 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 3/69 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 1/70 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/70 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (OVERLAPS) 191/261 variables, 70/83 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 2/85 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 175/260 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:27] [INFO ] Deduced a trap along path composed of 3 places in 47 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 13 (OVERLAPS) 0/261 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Int declared 261/262 variables, and 261 constraints, problems are : Problem set: 0 solved, 175 unsolved in 18963 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 70/70 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 32851ms problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 32852ms
Starting structural reductions in SI_LTL mode, iteration 1 : 70/153 places, 201/332 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 33301 ms. Remains : 70/153 places, 201/332 transitions.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : MedleyA-PT-20-LTLFireability-08
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA MedleyA-PT-20-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLFireability-08 finished in 33364 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G((p0 U (p1||F(p2))))) U G(p1))))'
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 332/332 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 134 transition count 298
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 134 transition count 298
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 41 place count 134 transition count 295
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 51 place count 124 transition count 271
Iterating global reduction 1 with 10 rules applied. Total rules applied 61 place count 124 transition count 271
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 63 place count 124 transition count 269
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 66 place count 121 transition count 262
Iterating global reduction 2 with 3 rules applied. Total rules applied 69 place count 121 transition count 262
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 70 place count 121 transition count 261
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 71 place count 120 transition count 258
Iterating global reduction 3 with 1 rules applied. Total rules applied 72 place count 120 transition count 258
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 73 place count 120 transition count 257
Applied a total of 73 rules in 8 ms. Remains 120 /153 variables (removed 33) and now considering 257/332 (removed 75) transitions.
// Phase 1: matrix 257 rows 120 cols
[2025-06-02 18:31:38] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:31:38] [INFO ] Implicit Places using invariants in 114 ms returned []
[2025-06-02 18:31:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:31:39] [INFO ] Implicit Places using invariants and state equation in 238 ms returned []
Implicit Place search using SMT with State Equation took 355 ms to find 0 implicit places.
Running 256 sub problems to find dead transitions.
[2025-06-02 18:31:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/119 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 1 (OVERLAPS) 1/120 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:43] [INFO ] Deduced a trap composed of 37 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 18:31:43] [INFO ] Deduced a trap composed of 47 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 18:31:43] [INFO ] Deduced a trap composed of 63 places in 176 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:43] [INFO ] Deduced a trap composed of 69 places in 178 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:43] [INFO ] Deduced a trap composed of 69 places in 181 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:43] [INFO ] Deduced a trap composed of 64 places in 172 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:44] [INFO ] Deduced a trap composed of 64 places in 165 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:44] [INFO ] Deduced a trap composed of 69 places in 156 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:44] [INFO ] Deduced a trap composed of 70 places in 155 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:44] [INFO ] Deduced a trap composed of 70 places in 143 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:44] [INFO ] Deduced a trap composed of 63 places in 144 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:45] [INFO ] Deduced a trap composed of 35 places in 156 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:45] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:45] [INFO ] Deduced a trap composed of 36 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:45] [INFO ] Deduced a trap composed of 70 places in 140 ms of which 22 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/120 variables, 15/26 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:48] [INFO ] Deduced a trap composed of 66 places in 131 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:48] [INFO ] Deduced a trap composed of 67 places in 136 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:48] [INFO ] Deduced a trap composed of 68 places in 133 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:48] [INFO ] Deduced a trap composed of 70 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 18:31:48] [INFO ] Deduced a trap composed of 71 places in 147 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:48] [INFO ] Deduced a trap composed of 70 places in 146 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:48] [INFO ] Deduced a trap composed of 71 places in 138 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:49] [INFO ] Deduced a trap composed of 74 places in 158 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:49] [INFO ] Deduced a trap composed of 74 places in 148 ms of which 22 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 9/35 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:50] [INFO ] Deduced a trap composed of 69 places in 134 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/120 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:52] [INFO ] Deduced a trap composed of 68 places in 165 ms of which 15 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/120 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:31:55] [INFO ] Deduced a trap composed of 65 places in 113 ms of which 12 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/120 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 9 (OVERLAPS) 257/377 variables, 120/158 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:04] [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 18:32:06] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:06] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 3/161 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 377/377 variables, and 161 constraints, problems are : Problem set: 0 solved, 256 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 120/120 constraints, PredecessorRefiner: 256/256 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/119 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 1 (OVERLAPS) 1/120 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/120 variables, 27/38 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:10] [INFO ] Deduced a trap composed of 70 places in 147 ms of which 21 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:11] [INFO ] Deduced a trap composed of 70 places in 131 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:12] [INFO ] Deduced a trap composed of 75 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 18:32:12] [INFO ] Deduced a trap composed of 70 places in 113 ms of which 11 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/120 variables, 3/42 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/120 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 7 (OVERLAPS) 257/377 variables, 120/162 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/377 variables, 256/418 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/377 variables, 3/421 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:32] [INFO ] Deduced a trap along path composed of 9 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:32] [INFO ] Deduced a trap along path composed of 9 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:33] [INFO ] Deduced a trap along path composed of 9 places in 29 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 377/377 variables, and 424 constraints, problems are : Problem set: 0 solved, 256 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 120/120 constraints, PredecessorRefiner: 256/256 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 60109ms problems are : Problem set: 0 solved, 256 unsolved
Search for dead transitions found 0 dead transitions in 60111ms
Starting structural reductions in LTL mode, iteration 1 : 120/153 places, 257/332 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60476 ms. Remains : 120/153 places, 257/332 transitions.
Stuttering acceptance computed with spot in 236 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : MedleyA-PT-20-LTLFireability-09
Stuttering criterion allowed to conclude after 23 steps with 0 reset in 0 ms.
FORMULA MedleyA-PT-20-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLFireability-09 finished in 60738 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) U p2) U (p0 U p3))))'
Support contains 7 out of 153 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 332/332 transitions.
Graph (trivial) has 118 edges and 153 vertex of which 21 / 153 are part of one of the 3 SCC in 1 ms
Free SCC test removed 18 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 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 134 transition count 299
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 7 place count 132 transition count 297
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 7 place count 132 transition count 291
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 19 place count 126 transition count 291
Discarding 15 places :
Symmetric choice reduction at 2 with 15 rule applications. Total rules 34 place count 111 transition count 264
Iterating global reduction 2 with 15 rules applied. Total rules applied 49 place count 111 transition count 264
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 3 rules applied. Total rules applied 52 place count 111 transition count 261
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 54 place count 110 transition count 260
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 54 place count 110 transition count 258
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 58 place count 108 transition count 258
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 60 place count 106 transition count 253
Iterating global reduction 4 with 2 rules applied. Total rules applied 62 place count 106 transition count 253
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 63 place count 105 transition count 250
Iterating global reduction 4 with 1 rules applied. Total rules applied 64 place count 105 transition count 250
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 65 place count 105 transition count 249
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 5 with 28 rules applied. Total rules applied 93 place count 91 transition count 235
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 94 place count 91 transition count 234
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 99 place count 86 transition count 219
Iterating global reduction 6 with 5 rules applied. Total rules applied 104 place count 86 transition count 219
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 106 place count 86 transition count 217
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 7 with 16 rules applied. Total rules applied 122 place count 78 transition count 231
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 7 with 6 rules applied. Total rules applied 128 place count 78 transition count 225
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 130 place count 76 transition count 219
Iterating global reduction 7 with 2 rules applied. Total rules applied 132 place count 76 transition count 219
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 134 place count 76 transition count 217
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 136 place count 74 transition count 215
Applied a total of 136 rules in 81 ms. Remains 74 /153 variables (removed 79) and now considering 215/332 (removed 117) transitions.
[2025-06-02 18:32:39] [INFO ] Flow matrix only has 206 transitions (discarded 9 similar events)
// Phase 1: matrix 206 rows 74 cols
[2025-06-02 18:32:39] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:32:39] [INFO ] Implicit Places using invariants in 139 ms returned []
[2025-06-02 18:32:39] [INFO ] Flow matrix only has 206 transitions (discarded 9 similar events)
[2025-06-02 18:32:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:32:39] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 18:32:39] [INFO ] Implicit Places using invariants and state equation in 257 ms returned []
Implicit Place search using SMT with State Equation took 410 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 18:32:39] [INFO ] Redundant transitions in 4 ms returned []
Running 187 sub problems to find dead transitions.
[2025-06-02 18:32:40] [INFO ] Flow matrix only has 206 transitions (discarded 9 similar events)
[2025-06-02 18:32:40] [INFO ] Invariant cache hit.
[2025-06-02 18:32:40] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 2 (OVERLAPS) 3/73 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/73 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 5 (OVERLAPS) 1/74 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 187 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:44] [INFO ] Deduced a trap composed of 44 places in 109 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 187 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:32:46] [INFO ] Deduced a trap composed of 45 places in 138 ms of which 17 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/74 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 9 (OVERLAPS) 205/279 variables, 74/87 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/279 variables, 2/89 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/279 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 12 (OVERLAPS) 0/279 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 187 unsolved
No progress, stopping.
After SMT solving in domain Real declared 279/280 variables, and 89 constraints, problems are : Problem set: 0 solved, 187 unsolved in 16493 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 74/74 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 187/187 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 187 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 2 (OVERLAPS) 3/73 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/73 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 5 (OVERLAPS) 1/74 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 8 (OVERLAPS) 205/279 variables, 74/87 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 2/89 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/279 variables, 187/276 constraints. Problems are: Problem set: 0 solved, 187 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:04] [INFO ] Deduced a trap along path composed of 2 places in 55 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:04] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/279 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/279 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 13 (OVERLAPS) 0/279 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 187 unsolved
No progress, stopping.
After SMT solving in domain Int declared 279/280 variables, and 278 constraints, problems are : Problem set: 0 solved, 187 unsolved in 21343 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 74/74 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 187/187 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 37903ms problems are : Problem set: 0 solved, 187 unsolved
Search for dead transitions found 0 dead transitions in 37905ms
Starting structural reductions in SI_LTL mode, iteration 1 : 74/153 places, 215/332 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 38410 ms. Remains : 74/153 places, 215/332 transitions.
Stuttering acceptance computed with spot in 366 ms :[(NOT p3), (NOT p0), (NOT p1), (NOT p2), (NOT p3), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p0) p1 (NOT p3))), (AND (NOT p1) p2 (NOT p3))]
Running random walk in product with property : MedleyA-PT-20-LTLFireability-10
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA MedleyA-PT-20-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLFireability-10 finished in 38808 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(F(p0))||(X(p1)&&F(p2)&&F(p3))))'
Support contains 7 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 332/332 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 134 transition count 300
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 134 transition count 300
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 41 place count 134 transition count 297
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 51 place count 124 transition count 272
Iterating global reduction 1 with 10 rules applied. Total rules applied 61 place count 124 transition count 272
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 63 place count 124 transition count 270
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 65 place count 122 transition count 266
Iterating global reduction 2 with 2 rules applied. Total rules applied 67 place count 122 transition count 266
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 68 place count 121 transition count 263
Iterating global reduction 2 with 1 rules applied. Total rules applied 69 place count 121 transition count 263
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 70 place count 121 transition count 262
Applied a total of 70 rules in 11 ms. Remains 121 /153 variables (removed 32) and now considering 262/332 (removed 70) transitions.
// Phase 1: matrix 262 rows 121 cols
[2025-06-02 18:33:18] [INFO ] Computed 11 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:33:18] [INFO ] Implicit Places using invariants in 155 ms returned []
[2025-06-02 18:33:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:33:18] [INFO ] Implicit Places using invariants and state equation in 331 ms returned []
Implicit Place search using SMT with State Equation took 500 ms to find 0 implicit places.
Running 261 sub problems to find dead transitions.
[2025-06-02 18:33:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (OVERLAPS) 1/121 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/121 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:24] [INFO ] Deduced a trap composed of 37 places in 104 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:24] [INFO ] Deduced a trap composed of 47 places in 111 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:24] [INFO ] Deduced a trap composed of 48 places in 96 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:24] [INFO ] Deduced a trap composed of 62 places in 182 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:25] [INFO ] Deduced a trap composed of 68 places in 182 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:25] [INFO ] Deduced a trap composed of 68 places in 190 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:25] [INFO ] Deduced a trap composed of 74 places in 180 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:25] [INFO ] Deduced a trap composed of 63 places in 168 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:25] [INFO ] Deduced a trap composed of 68 places in 122 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:25] [INFO ] Deduced a trap composed of 71 places in 151 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:26] [INFO ] Deduced a trap composed of 71 places in 139 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:26] [INFO ] Deduced a trap composed of 74 places in 146 ms of which 29 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/121 variables, 12/23 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:27] [INFO ] Deduced a trap composed of 63 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 18:33:28] [INFO ] Deduced a trap composed of 63 places in 146 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:28] [INFO ] Deduced a trap composed of 68 places in 124 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:28] [INFO ] Deduced a trap composed of 62 places in 131 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:28] [INFO ] Deduced a trap composed of 36 places in 94 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:28] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/121 variables, 6/29 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:30] [INFO ] Deduced a trap composed of 63 places in 140 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:30] [INFO ] Deduced a trap composed of 66 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 18:33:30] [INFO ] Deduced a trap composed of 63 places in 145 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 3/32 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:33] [INFO ] Deduced a trap composed of 35 places in 70 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/121 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 9 (OVERLAPS) 262/383 variables, 121/154 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:42] [INFO ] Deduced a trap along path composed of 9 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:44] [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 18:33:44] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:45] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/383 variables, 4/158 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 383/383 variables, and 158 constraints, problems are : Problem set: 0 solved, 261 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 121/121 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (OVERLAPS) 1/121 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/121 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/121 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/121 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 6 (OVERLAPS) 262/383 variables, 121/154 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/383 variables, 261/415 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:53] [INFO ] Deduced a trap composed of 39 places in 139 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:53] [INFO ] Deduced a trap composed of 42 places in 152 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:54] [INFO ] Deduced a trap composed of 12 places in 98 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:54] [INFO ] Deduced a trap composed of 44 places in 126 ms of which 11 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/383 variables, 4/419 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:33:59] [INFO ] Deduced a trap composed of 47 places in 80 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/383 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:08] [INFO ] Deduced a trap composed of 12 places in 62 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/383 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 261 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 56 places in 120 ms of which 9 ms to minimize.
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 54 places in 117 ms of which 9 ms to minimize.
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 55 places in 142 ms of which 10 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 383/383 variables, and 424 constraints, problems are : Problem set: 0 solved, 261 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 121/121 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/4 constraints]
After SMT, in 60094ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 60096ms
Starting structural reductions in LTL mode, iteration 1 : 121/153 places, 262/332 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60608 ms. Remains : 121/153 places, 262/332 transitions.
Stuttering acceptance computed with spot in 296 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0)), (AND (NOT p3) (NOT p0)), (NOT p0)]
Running random walk in product with property : MedleyA-PT-20-LTLFireability-11
Product exploration explored 100000 steps with 50000 reset in 138 ms.
Product exploration explored 100000 steps with 50000 reset in 150 ms.
Computed a total of 11 stabilizing places and 16 stable transitions
Computed a total of 11 stabilizing places and 16 stable transitions
Detected a total of 11/121 stabilizing places and 16/262 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND p2 p3 p1 p0), (X p2), (X p3), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p3) (NOT p0)))), (X p0), (X p1), (X (X p2)), (X (X p3)), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X p0)), (X (X (NOT (AND (NOT p3) (NOT p0))))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 14 factoid took 25 ms. Reduced automaton from 5 states, 7 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA MedleyA-PT-20-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property MedleyA-PT-20-LTLFireability-11 finished in 61263 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||F(p1)))'
Support contains 3 out of 153 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 332/332 transitions.
Graph (trivial) has 124 edges and 153 vertex of which 21 / 153 are part of one of the 3 SCC in 1 ms
Free SCC test removed 18 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 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 134 transition count 299
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 7 place count 132 transition count 297
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 7 place count 132 transition count 290
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 21 place count 125 transition count 290
Discarding 19 places :
Symmetric choice reduction at 2 with 19 rule applications. Total rules 40 place count 106 transition count 255
Iterating global reduction 2 with 19 rules applied. Total rules applied 59 place count 106 transition count 255
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 4 rules applied. Total rules applied 63 place count 106 transition count 251
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 65 place count 105 transition count 250
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 3 Pre rules applied. Total rules applied 65 place count 105 transition count 247
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 71 place count 102 transition count 247
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 74 place count 99 transition count 239
Iterating global reduction 4 with 3 rules applied. Total rules applied 77 place count 99 transition count 239
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 78 place count 98 transition count 236
Iterating global reduction 4 with 1 rules applied. Total rules applied 79 place count 98 transition count 236
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 80 place count 98 transition count 235
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 5 with 26 rules applied. Total rules applied 106 place count 85 transition count 222
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 107 place count 85 transition count 221
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 113 place count 79 transition count 203
Iterating global reduction 6 with 6 rules applied. Total rules applied 119 place count 79 transition count 203
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 123 place count 79 transition count 199
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 7 with 14 rules applied. Total rules applied 137 place count 72 transition count 212
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 7 with 6 rules applied. Total rules applied 143 place count 72 transition count 206
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 145 place count 70 transition count 200
Iterating global reduction 7 with 2 rules applied. Total rules applied 147 place count 70 transition count 200
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 149 place count 70 transition count 198
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 150 place count 69 transition count 197
Applied a total of 150 rules in 66 ms. Remains 69 /153 variables (removed 84) and now considering 197/332 (removed 135) transitions.
[2025-06-02 18:34:19] [INFO ] Flow matrix only has 187 transitions (discarded 10 similar events)
// Phase 1: matrix 187 rows 69 cols
[2025-06-02 18:34:19] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:34:19] [INFO ] Implicit Places using invariants in 132 ms returned []
[2025-06-02 18:34:19] [INFO ] Flow matrix only has 187 transitions (discarded 10 similar events)
[2025-06-02 18:34:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:34:19] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 18:34:19] [INFO ] Implicit Places using invariants and state equation in 244 ms returned []
Implicit Place search using SMT with State Equation took 379 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 18:34:20] [INFO ] Redundant transitions in 2 ms returned []
Running 171 sub problems to find dead transitions.
[2025-06-02 18:34:20] [INFO ] Flow matrix only has 187 transitions (discarded 10 similar events)
[2025-06-02 18:34:20] [INFO ] Invariant cache hit.
[2025-06-02 18:34:20] [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) 0/65 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 2 (OVERLAPS) 3/68 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 5 (OVERLAPS) 1/69 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:24] [INFO ] Deduced a trap composed of 39 places in 88 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:24] [INFO ] Deduced a trap composed of 39 places in 98 ms of which 11 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 8 (OVERLAPS) 186/255 variables, 69/82 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/255 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:29] [INFO ] Deduced a trap along path composed of 2 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:29] [INFO ] Deduced a trap along path composed of 6 places in 32 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/255 variables, 2/85 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:31] [INFO ] Deduced a trap composed of 40 places in 91 ms of which 7 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/255 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:33] [INFO ] Deduced a trap along path composed of 2 places in 29 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/255 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:36] [INFO ] Deduced a trap along path composed of 6 places in 30 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/255 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/255 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 15 (OVERLAPS) 0/255 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 171 unsolved
No progress, stopping.
After SMT solving in domain Real declared 255/256 variables, and 88 constraints, problems are : Problem set: 0 solved, 171 unsolved in 24566 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 69/69 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 171/171 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 2 (OVERLAPS) 3/68 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 5 (OVERLAPS) 1/69 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 8 (OVERLAPS) 186/255 variables, 69/83 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/255 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/255 variables, 171/255 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/255 variables, 4/259 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:52] [INFO ] Deduced a trap along path composed of 2 places in 37 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/255 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:34:57] [INFO ] Deduced a trap composed of 25 places in 97 ms of which 10 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/255 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/255 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 15 (OVERLAPS) 0/255 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 171 unsolved
No progress, stopping.
After SMT solving in domain Int declared 255/256 variables, and 261 constraints, problems are : Problem set: 0 solved, 171 unsolved in 29176 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 69/69 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 171/171 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 53795ms problems are : Problem set: 0 solved, 171 unsolved
Search for dead transitions found 0 dead transitions in 53796ms
Starting structural reductions in SI_LTL mode, iteration 1 : 69/153 places, 197/332 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 54256 ms. Remains : 69/153 places, 197/332 transitions.
Stuttering acceptance computed with spot in 74 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : MedleyA-PT-20-LTLFireability-14
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA MedleyA-PT-20-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLFireability-14 finished in 54348 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(!p0))))'
Support contains 1 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 332/332 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 132 transition count 294
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 132 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 45 place count 132 transition count 291
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 56 place count 121 transition count 264
Iterating global reduction 1 with 11 rules applied. Total rules applied 67 place count 121 transition count 264
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 69 place count 121 transition count 262
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 72 place count 118 transition count 255
Iterating global reduction 2 with 3 rules applied. Total rules applied 75 place count 118 transition count 255
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 76 place count 118 transition count 254
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 77 place count 117 transition count 251
Iterating global reduction 3 with 1 rules applied. Total rules applied 78 place count 117 transition count 251
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 79 place count 117 transition count 250
Applied a total of 79 rules in 7 ms. Remains 117 /153 variables (removed 36) and now considering 250/332 (removed 82) transitions.
// Phase 1: matrix 250 rows 117 cols
[2025-06-02 18:35:13] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:35:14] [INFO ] Implicit Places using invariants in 115 ms returned []
[2025-06-02 18:35:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:35:14] [INFO ] Implicit Places using invariants and state equation in 267 ms returned []
Implicit Place search using SMT with State Equation took 383 ms to find 0 implicit places.
Running 249 sub problems to find dead transitions.
[2025-06-02 18:35:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 1/117 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/117 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:18] [INFO ] Deduced a trap composed of 38 places in 87 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:18] [INFO ] Deduced a trap composed of 48 places in 89 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:18] [INFO ] Deduced a trap composed of 61 places in 154 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:18] [INFO ] Deduced a trap composed of 67 places in 179 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:18] [INFO ] Deduced a trap composed of 67 places in 168 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:18] [INFO ] Deduced a trap composed of 70 places in 180 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:19] [INFO ] Deduced a trap composed of 62 places in 171 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:19] [INFO ] Deduced a trap composed of 62 places in 168 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:19] [INFO ] Deduced a trap composed of 64 places in 153 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:19] [INFO ] Deduced a trap composed of 67 places in 147 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:19] [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 18:35:19] [INFO ] Deduced a trap composed of 70 places in 140 ms of which 23 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/117 variables, 12/23 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:22] [INFO ] Deduced a trap composed of 62 places in 141 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:22] [INFO ] Deduced a trap composed of 67 places in 125 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:22] [INFO ] Deduced a trap composed of 61 places in 129 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:23] [INFO ] Deduced a trap composed of 15 places in 71 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:24] [INFO ] Deduced a trap composed of 62 places in 135 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:24] [INFO ] Deduced a trap composed of 62 places in 131 ms of which 10 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:26] [INFO ] Deduced a trap composed of 67 places in 155 ms of which 23 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 8 (OVERLAPS) 250/367 variables, 117/147 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:34] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:35] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:35] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/367 variables, 3/150 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 11 (OVERLAPS) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 367/367 variables, and 150 constraints, problems are : Problem set: 0 solved, 249 unsolved in 29726 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 117/117 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 1/117 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/117 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/117 variables, 19/30 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:44] [INFO ] Deduced a trap composed of 67 places in 78 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:44] [INFO ] Deduced a trap composed of 68 places in 89 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:45] [INFO ] Deduced a trap composed of 68 places in 95 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:45] [INFO ] Deduced a trap composed of 68 places in 121 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:45] [INFO ] Deduced a trap composed of 15 places in 94 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 6 (OVERLAPS) 250/367 variables, 117/152 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/367 variables, 249/401 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:49] [INFO ] Deduced a trap composed of 39 places in 93 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:49] [INFO ] Deduced a trap composed of 42 places in 147 ms of which 11 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/367 variables, 2/403 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/367 variables, 3/406 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:07] [INFO ] Deduced a trap along path composed of 9 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:07] [INFO ] Deduced a trap along path composed of 9 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:08] [INFO ] Deduced a trap along path composed of 10 places in 23 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 367/367 variables, and 409 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 117/117 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 59796ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 59797ms
Starting structural reductions in LTL mode, iteration 1 : 117/153 places, 250/332 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60189 ms. Remains : 117/153 places, 250/332 transitions.
Stuttering acceptance computed with spot in 183 ms :[true, p0, p0, p0]
Running random walk in product with property : MedleyA-PT-20-LTLFireability-15
Product exploration explored 100000 steps with 10 reset in 234 ms.
Product exploration explored 100000 steps with 4 reset in 395 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 : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 109 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 138 ms :[true, p0, p0, p0]
RANDOM walk for 848 steps (15 resets) in 9 ms. (84 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 134 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 146 ms :[true, p0, p0, p0]
Stuttering acceptance computed with spot in 130 ms :[true, p0, p0, p0]
Support contains 1 out of 117 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 117/117 places, 250/250 transitions.
Applied a total of 0 rules in 1 ms. Remains 117 /117 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2025-06-02 18:36:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:36:15] [INFO ] Implicit Places using invariants in 159 ms returned []
[2025-06-02 18:36:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:36:16] [INFO ] Implicit Places using invariants and state equation in 306 ms returned []
Implicit Place search using SMT with State Equation took 467 ms to find 0 implicit places.
Running 249 sub problems to find dead transitions.
[2025-06-02 18:36:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 1/117 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/117 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:19] [INFO ] Deduced a trap composed of 38 places in 98 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:19] [INFO ] Deduced a trap composed of 48 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 18:36:20] [INFO ] Deduced a trap composed of 61 places in 173 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:20] [INFO ] Deduced a trap composed of 67 places in 160 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:20] [INFO ] Deduced a trap composed of 67 places in 160 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:20] [INFO ] Deduced a trap composed of 70 places in 173 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:20] [INFO ] Deduced a trap composed of 62 places in 165 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:21] [INFO ] Deduced a trap composed of 62 places in 156 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:21] [INFO ] Deduced a trap composed of 64 places in 145 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:21] [INFO ] Deduced a trap composed of 67 places in 120 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:21] [INFO ] Deduced a trap composed of 67 places in 135 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:21] [INFO ] Deduced a trap composed of 70 places in 138 ms of which 23 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/117 variables, 12/23 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:24] [INFO ] Deduced a trap composed of 62 places in 119 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:24] [INFO ] Deduced a trap composed of 67 places in 127 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:24] [INFO ] Deduced a trap composed of 61 places in 138 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:25] [INFO ] Deduced a trap composed of 15 places in 72 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:26] [INFO ] Deduced a trap composed of 62 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 18:36:26] [INFO ] Deduced a trap composed of 62 places in 134 ms of which 10 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:28] [INFO ] Deduced a trap composed of 67 places in 146 ms of which 22 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 8 (OVERLAPS) 250/367 variables, 117/147 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:36] [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 18:36:37] [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 18:36:38] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/367 variables, 3/150 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 367/367 variables, and 150 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 117/117 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 1/117 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/117 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/117 variables, 19/30 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:47] [INFO ] Deduced a trap composed of 67 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 18:36:47] [INFO ] Deduced a trap composed of 68 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 18:36:47] [INFO ] Deduced a trap composed of 68 places in 157 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:47] [INFO ] Deduced a trap composed of 68 places in 140 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:48] [INFO ] Deduced a trap composed of 15 places in 94 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 6 (OVERLAPS) 250/367 variables, 117/152 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/367 variables, 249/401 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:52] [INFO ] Deduced a trap composed of 39 places in 104 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:36:52] [INFO ] Deduced a trap composed of 42 places in 127 ms of which 12 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/367 variables, 2/403 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/367 variables, 3/406 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:37:11] [INFO ] Deduced a trap along path composed of 9 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:37:12] [INFO ] Deduced a trap along path composed of 9 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:37:12] [INFO ] Deduced a trap along path composed of 10 places in 24 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 367/367 variables, and 409 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 117/117 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 60083ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 60084ms
Finished structural reductions in LTL mode , in 1 iterations and 60554 ms. Remains : 117/117 places, 250/250 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 : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 85 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 131 ms :[true, p0, p0, p0]
RANDOM walk for 10348 steps (22 resets) in 29 ms. (344 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 104 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 129 ms :[true, p0, p0, p0]
Stuttering acceptance computed with spot in 130 ms :[true, p0, p0, p0]
Stuttering acceptance computed with spot in 131 ms :[true, p0, p0, p0]
Entered a terminal (fully accepting) state of product in 85 steps with 2 reset in 0 ms.
FORMULA MedleyA-PT-20-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-20-LTLFireability-15 finished in 123037 ms.
All properties solved by simple procedures.
Total runtime 775458 ms.

BK_STOP 1748889436976

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="MedleyA-PT-20"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is MedleyA-PT-20, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r128-smll-174876524200252"
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 [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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