Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853729700628.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)
.................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is AutonomousCar-PT-02b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853729700628
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K 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 92K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 49K 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 AutonomousCar-PT-02b-LTLFireability-00
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-01
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-02
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-03
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-04
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-05
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-06
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-07
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-08
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-09
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-10
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-11
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-12
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-13
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-14
FORMULA_NAME AutonomousCar-PT-02b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748647956706

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutonomousCar-PT-02b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 23:32:37] [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]
[2025-05-30 23:32:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 23:32:38] [INFO ] Load time of PNML (sax parser for PT used): 70 ms
[2025-05-30 23:32:38] [INFO ] Transformed 155 places.
[2025-05-30 23:32:38] [INFO ] Transformed 194 transitions.
[2025-05-30 23:32:38] [INFO ] Found NUPN structural information;
[2025-05-30 23:32:38] [INFO ] Parsed PT model containing 155 places and 194 transitions and 620 arcs in 163 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA AutonomousCar-PT-02b-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-02b-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-02b-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-02b-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 27 out of 155 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 155/155 places, 194/194 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 135 transition count 174
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 135 transition count 174
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 45 place count 130 transition count 169
Iterating global reduction 0 with 5 rules applied. Total rules applied 50 place count 130 transition count 169
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 51 place count 129 transition count 168
Iterating global reduction 0 with 1 rules applied. Total rules applied 52 place count 129 transition count 168
Applied a total of 52 rules in 43 ms. Remains 129 /155 variables (removed 26) and now considering 168/194 (removed 26) transitions.
// Phase 1: matrix 168 rows 129 cols
[2025-05-30 23:32:38] [INFO ] Computed 7 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:32:38] [INFO ] Implicit Places using invariants in 182 ms returned []
[2025-05-30 23:32:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:32:38] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 342 ms to find 0 implicit places.
Running 167 sub problems to find dead transitions.
[2025-05-30 23:32:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (OVERLAPS) 1/129 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 14 places in 83 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 14 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 20 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 40 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 30 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 21 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 21 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 17 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 21 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 22 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:40] [INFO ] Deduced a trap composed of 23 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:41] [INFO ] Deduced a trap composed of 31 places in 43 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:41] [INFO ] Deduced a trap composed of 29 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:41] [INFO ] Deduced a trap composed of 31 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:41] [INFO ] Deduced a trap composed of 34 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:41] [INFO ] Deduced a trap composed of 38 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:41] [INFO ] Deduced a trap composed of 16 places in 63 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/129 variables, 20/27 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:41] [INFO ] Deduced a trap composed of 29 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:42] [INFO ] Deduced a trap composed of 8 places in 53 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:42] [INFO ] Deduced a trap composed of 33 places in 62 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:42] [INFO ] Deduced a trap composed of 32 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:43] [INFO ] Deduced a trap composed of 33 places in 53 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 3/32 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/129 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Problem TDEAD10 is UNSAT
Problem TDEAD158 is UNSAT
At refinement iteration 6 (OVERLAPS) 168/297 variables, 129/161 constraints. Problems are: Problem set: 2 solved, 165 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:45] [INFO ] Deduced a trap composed of 6 places in 58 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 1/162 constraints. Problems are: Problem set: 2 solved, 165 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:46] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:47] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 2/164 constraints. Problems are: Problem set: 2 solved, 165 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/297 variables, 0/164 constraints. Problems are: Problem set: 2 solved, 165 unsolved
At refinement iteration 10 (OVERLAPS) 0/297 variables, 0/164 constraints. Problems are: Problem set: 2 solved, 165 unsolved
No progress, stopping.
After SMT solving in domain Real declared 297/297 variables, and 164 constraints, problems are : Problem set: 2 solved, 165 unsolved in 12883 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 129/129 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 2 solved, 165 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 165 unsolved
At refinement iteration 1 (OVERLAPS) 2/129 variables, 7/7 constraints. Problems are: Problem set: 2 solved, 165 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/129 variables, 26/33 constraints. Problems are: Problem set: 2 solved, 165 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:51] [INFO ] Deduced a trap composed of 32 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:52] [INFO ] Deduced a trap composed of 38 places in 46 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 2/35 constraints. Problems are: Problem set: 2 solved, 165 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 0/35 constraints. Problems are: Problem set: 2 solved, 165 unsolved
At refinement iteration 5 (OVERLAPS) 168/297 variables, 129/164 constraints. Problems are: Problem set: 2 solved, 165 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 165/329 constraints. Problems are: Problem set: 2 solved, 165 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:53] [INFO ] Deduced a trap composed of 35 places in 47 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 1/330 constraints. Problems are: Problem set: 2 solved, 165 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 2/332 constraints. Problems are: Problem set: 2 solved, 165 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:59] [INFO ] Deduced a trap along path composed of 2 places in 46 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:32:59] [INFO ] Deduced a trap along path composed of 4 places in 40 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:00] [INFO ] Deduced a trap along path composed of 2 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:00] [INFO ] Deduced a trap along path composed of 11 places in 41 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:02] [INFO ] Deduced a trap along path composed of 7 places in 31 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/297 variables, 5/337 constraints. Problems are: Problem set: 2 solved, 165 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:06] [INFO ] Deduced a trap composed of 40 places in 49 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/297 variables, 1/338 constraints. Problems are: Problem set: 2 solved, 165 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/297 variables, and 338 constraints, problems are : Problem set: 2 solved, 165 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 129/129 constraints, PredecessorRefiner: 165/167 constraints, Known Traps: 30/30 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 42994ms problems are : Problem set: 2 solved, 165 unsolved
Search for dead transitions found 2 dead transitions in 43003ms
Found 2 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 2 transitions
Dead transitions reduction (with SMT) removed 2 transitions
Starting structural reductions in LTL mode, iteration 1 : 129/155 places, 166/194 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 128 transition count 166
Applied a total of 1 rules in 17 ms. Remains 128 /129 variables (removed 1) and now considering 166/166 (removed 0) transitions.
// Phase 1: matrix 166 rows 128 cols
[2025-05-30 23:33:21] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:33:21] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-05-30 23:33:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:33:21] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 148 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 128/155 places, 166/194 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43578 ms. Remains : 128/155 places, 166/194 transitions.
Support contains 27 out of 128 places after structural reductions.
[2025-05-30 23:33:21] [INFO ] Flatten gal took : 40 ms
[2025-05-30 23:33:21] [INFO ] Flatten gal took : 21 ms
[2025-05-30 23:33:22] [INFO ] Input system was already deterministic with 166 transitions.
Support contains 26 out of 128 places (down from 27) after GAL structural reductions.
RANDOM walk for 40000 steps (18 resets) in 851 ms. (46 steps per ms) remains 1/22 properties
BEST_FIRST walk for 30422 steps (18 resets) in 59 ms. (507 steps per ms) remains 0/1 properties
Computed a total of 29 stabilizing places and 29 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||X(X(F(p1))))))'
Support contains 2 out of 128 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 128/128 places, 166/166 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 124 transition count 162
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 124 transition count 162
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 24 place count 124 transition count 146
Applied a total of 24 rules in 12 ms. Remains 124 /128 variables (removed 4) and now considering 146/166 (removed 20) transitions.
// Phase 1: matrix 146 rows 124 cols
[2025-05-30 23:33:22] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:33:22] [INFO ] Implicit Places using invariants in 80 ms returned []
[2025-05-30 23:33:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:33:22] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
Running 145 sub problems to find dead transitions.
[2025-05-30 23:33:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:24] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:24] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:24] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:24] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:24] [INFO ] Deduced a trap composed of 25 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:24] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:24] [INFO ] Deduced a trap composed of 20 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:24] [INFO ] Deduced a trap composed of 22 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:24] [INFO ] Deduced a trap composed of 29 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:24] [INFO ] Deduced a trap composed of 29 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:24] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:24] [INFO ] Deduced a trap composed of 31 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:24] [INFO ] Deduced a trap composed of 38 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:25] [INFO ] Deduced a trap composed of 14 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:25] [INFO ] Deduced a trap composed of 17 places in 27 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:25] [INFO ] Deduced a trap composed of 39 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:25] [INFO ] Deduced a trap composed of 30 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:25] [INFO ] Deduced a trap composed of 32 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:25] [INFO ] Deduced a trap composed of 32 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:25] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:25] [INFO ] Deduced a trap composed of 5 places in 49 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:26] [INFO ] Deduced a trap composed of 32 places in 48 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/124 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/124 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 6 (OVERLAPS) 146/270 variables, 124/153 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:28] [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
[2025-05-30 23:33:28] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 9 (OVERLAPS) 0/270 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 145 unsolved
No progress, stopping.
After SMT solving in domain Real declared 270/270 variables, and 155 constraints, problems are : Problem set: 0 solved, 145 unsolved in 9568 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 124/124 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 4 (OVERLAPS) 146/270 variables, 124/153 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 145/298 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:33] [INFO ] Deduced a trap composed of 33 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:33] [INFO ] Deduced a trap composed of 38 places in 30 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 2/300 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:35] [INFO ] Deduced a trap composed of 31 places in 39 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/301 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 2/303 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:39] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:39] [INFO ] Deduced a trap along path composed of 14 places in 29 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:41] [INFO ] Deduced a trap along path composed of 7 places in 26 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 3/306 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:33:45] [INFO ] Deduced a trap along path composed of 2 places in 18 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/270 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:01] [INFO ] Deduced a trap along path composed of 2 places in 16 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 270/270 variables, and 308 constraints, problems are : Problem set: 0 solved, 145 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 124/124 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 39595ms problems are : Problem set: 0 solved, 145 unsolved
Search for dead transitions found 0 dead transitions in 39596ms
Starting structural reductions in LTL mode, iteration 1 : 124/128 places, 146/166 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 39781 ms. Remains : 124/128 places, 146/166 transitions.
Stuttering acceptance computed with spot in 205 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : AutonomousCar-PT-02b-LTLFireability-00
Stuttering criterion allowed to conclude after 90 steps with 1 reset in 3 ms.
FORMULA AutonomousCar-PT-02b-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-02b-LTLFireability-00 finished in 40049 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0&&X(p1)))))'
Support contains 2 out of 128 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 128/128 places, 166/166 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 125 transition count 163
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 125 transition count 163
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 22 place count 125 transition count 147
Applied a total of 22 rules in 8 ms. Remains 125 /128 variables (removed 3) and now considering 147/166 (removed 19) transitions.
// Phase 1: matrix 147 rows 125 cols
[2025-05-30 23:34:02] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:34:02] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-05-30 23:34:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:34:02] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 136 ms to find 0 implicit places.
Running 146 sub problems to find dead transitions.
[2025-05-30 23:34:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (OVERLAPS) 1/125 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:03] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:03] [INFO ] Deduced a trap composed of 14 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 17 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 32 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 20 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 29 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 29 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 20 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 31 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 34 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 38 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:04] [INFO ] Deduced a trap composed of 14 places in 48 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 16/23 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:05] [INFO ] Deduced a trap composed of 39 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:05] [INFO ] Deduced a trap composed of 30 places in 49 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (OVERLAPS) 147/272 variables, 125/150 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:07] [INFO ] Deduced a trap along path composed of 3 places in 15 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:07] [INFO ] Deduced a trap along path composed of 3 places in 15 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 2/152 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:09] [INFO ] Deduced a trap along path composed of 2 places in 17 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:10] [INFO ] Deduced a trap composed of 31 places in 49 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:10] [INFO ] Deduced a trap composed of 32 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:11] [INFO ] Deduced a trap composed of 31 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:11] [INFO ] Deduced a trap composed of 30 places in 45 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/272 variables, 3/157 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:12] [INFO ] Deduced a trap composed of 32 places in 49 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/272 variables, 1/158 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/272 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 12 (OVERLAPS) 0/272 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 272/272 variables, and 158 constraints, problems are : Problem set: 0 solved, 146 unsolved in 13288 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 125/125 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 23/23 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (OVERLAPS) 1/125 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 23/30 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:16] [INFO ] Deduced a trap composed of 32 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:16] [INFO ] Deduced a trap composed of 52 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:16] [INFO ] Deduced a trap composed of 51 places in 35 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (OVERLAPS) 147/272 variables, 125/158 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 146/304 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:17] [INFO ] Deduced a trap composed of 34 places in 63 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:18] [INFO ] Deduced a trap composed of 25 places in 48 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 2/306 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 3/309 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:24] [INFO ] Deduced a trap along path composed of 2 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:24] [INFO ] Deduced a trap along path composed of 7 places in 30 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/272 variables, 2/311 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:32] [INFO ] Deduced a trap along path composed of 2 places in 24 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/272 variables, 1/312 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/272 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/272 variables, and 312 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 125/125 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 28/28 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 43317ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 43318ms
Starting structural reductions in LTL mode, iteration 1 : 125/128 places, 147/166 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 43462 ms. Remains : 125/128 places, 147/166 transitions.
Stuttering acceptance computed with spot in 124 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : AutonomousCar-PT-02b-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-02b-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-02b-LTLFireability-04 finished in 43599 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 4 out of 128 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 128/128 places, 166/166 transitions.
Graph (trivial) has 116 edges and 128 vertex of which 4 / 128 are part of one of the 2 SCC in 2 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 47 transitions
Trivial Post-agglo rules discarded 47 transitions
Performed 47 trivial Post agglomeration. Transition count delta: 47
Iterating post reduction 0 with 47 rules applied. Total rules applied 48 place count 125 transition count 116
Reduce places removed 47 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 1 with 64 rules applied. Total rules applied 112 place count 78 transition count 99
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 122 place count 68 transition count 99
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 122 place count 68 transition count 91
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 138 place count 60 transition count 91
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 142 place count 56 transition count 87
Iterating global reduction 3 with 4 rules applied. Total rules applied 146 place count 56 transition count 87
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 3 with 16 rules applied. Total rules applied 162 place count 56 transition count 71
Performed 22 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 4 with 44 rules applied. Total rules applied 206 place count 34 transition count 48
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 207 place count 34 transition count 47
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 211 place count 30 transition count 38
Iterating global reduction 5 with 4 rules applied. Total rules applied 215 place count 30 transition count 38
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 216 place count 30 transition count 37
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 220 place count 28 transition count 35
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 224 place count 26 transition count 44
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 225 place count 25 transition count 43
Applied a total of 225 rules in 55 ms. Remains 25 /128 variables (removed 103) and now considering 43/166 (removed 123) transitions.
// Phase 1: matrix 43 rows 25 cols
[2025-05-30 23:34:46] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:34:46] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-05-30 23:34:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:34:46] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 23:34:46] [INFO ] Implicit Places using invariants and state equation in 39 ms returned [21, 24]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 66 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 23/128 places, 43/166 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 21 transition count 41
Applied a total of 4 rules in 3 ms. Remains 21 /23 variables (removed 2) and now considering 41/43 (removed 2) transitions.
// Phase 1: matrix 41 rows 21 cols
[2025-05-30 23:34:46] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:34:46] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-05-30 23:34:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:34:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-30 23:34:46] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/128 places, 41/166 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 178 ms. Remains : 21/128 places, 41/166 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AutonomousCar-PT-02b-LTLFireability-05
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-02b-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-02b-LTLFireability-05 finished in 257 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||X(p0)) U X(X(X(X(!p1)))))))'
Support contains 5 out of 128 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 128/128 places, 166/166 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 124 transition count 162
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 124 transition count 162
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 24 place count 124 transition count 146
Applied a total of 24 rules in 11 ms. Remains 124 /128 variables (removed 4) and now considering 146/166 (removed 20) transitions.
// Phase 1: matrix 146 rows 124 cols
[2025-05-30 23:34:46] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:34:46] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-05-30 23:34:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:34:46] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 125 ms to find 0 implicit places.
Running 145 sub problems to find dead transitions.
[2025-05-30 23:34:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:47] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:47] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:47] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:47] [INFO ] Deduced a trap composed of 25 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:47] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:47] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:48] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:48] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:48] [INFO ] Deduced a trap composed of 29 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:48] [INFO ] Deduced a trap composed of 29 places in 42 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:48] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:48] [INFO ] Deduced a trap composed of 31 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:48] [INFO ] Deduced a trap composed of 38 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:48] [INFO ] Deduced a trap composed of 14 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:48] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:48] [INFO ] Deduced a trap composed of 39 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:48] [INFO ] Deduced a trap composed of 30 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:48] [INFO ] Deduced a trap composed of 32 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:49] [INFO ] Deduced a trap composed of 32 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:49] [INFO ] Deduced a trap composed of 38 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:49] [INFO ] Deduced a trap composed of 5 places in 50 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:49] [INFO ] Deduced a trap composed of 32 places in 51 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/124 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/124 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 6 (OVERLAPS) 146/270 variables, 124/153 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:51] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:52] [INFO ] Deduced a trap along path composed of 3 places in 15 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 9 (OVERLAPS) 0/270 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 145 unsolved
No progress, stopping.
After SMT solving in domain Real declared 270/270 variables, and 155 constraints, problems are : Problem set: 0 solved, 145 unsolved in 9288 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 124/124 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 4 (OVERLAPS) 146/270 variables, 124/153 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 145/298 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:57] [INFO ] Deduced a trap composed of 33 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:57] [INFO ] Deduced a trap composed of 38 places in 33 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 2/300 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:34:58] [INFO ] Deduced a trap composed of 31 places in 41 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/301 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 2/303 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:03] [INFO ] Deduced a trap along path composed of 3 places in 41 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:03] [INFO ] Deduced a trap along path composed of 14 places in 37 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:04] [INFO ] Deduced a trap along path composed of 7 places in 22 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 3/306 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:09] [INFO ] Deduced a trap along path composed of 2 places in 15 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/270 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:24] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 270/270 variables, and 308 constraints, problems are : Problem set: 0 solved, 145 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 124/124 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 39312ms problems are : Problem set: 0 solved, 145 unsolved
Search for dead transitions found 0 dead transitions in 39313ms
Starting structural reductions in LTL mode, iteration 1 : 124/128 places, 146/166 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 39450 ms. Remains : 124/128 places, 146/166 transitions.
Stuttering acceptance computed with spot in 567 ms :[p1, (AND (NOT p0) p1), p1, p1, p1, p1, true, (AND (NOT p0) p1), p1, p1, (AND (NOT p0) p1), p1, p1, p1, (AND (NOT p0) p1), p1]
Running random walk in product with property : AutonomousCar-PT-02b-LTLFireability-06
Product exploration explored 100000 steps with 18158 reset in 165 ms.
Product exploration explored 100000 steps with 18206 reset in 141 ms.
Computed a total of 28 stabilizing places and 28 stable transitions
Computed a total of 28 stabilizing places and 28 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 127 ms. Reduced automaton from 16 states, 22 edges and 2 AP (stutter sensitive) to 16 states, 22 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 541 ms :[p1, (AND (NOT p0) p1), p1, p1, p1, p1, true, (AND (NOT p0) p1), p1, p1, (AND (NOT p0) p1), p1, p1, p1, (AND (NOT p0) p1), p1]
RANDOM walk for 17095 steps (7 resets) in 39 ms. (427 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F (NOT (OR p0 (NOT p1)))), (F p1), (F p0)]
Knowledge based reduction with 3 factoid took 173 ms. Reduced automaton from 16 states, 22 edges and 2 AP (stutter sensitive) to 16 states, 22 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 548 ms :[p1, (AND (NOT p0) p1), p1, p1, p1, p1, true, (AND (NOT p0) p1), p1, p1, (AND (NOT p0) p1), p1, p1, p1, (AND (NOT p0) p1), p1]
Stuttering acceptance computed with spot in 500 ms :[p1, (AND (NOT p0) p1), p1, p1, p1, p1, true, (AND (NOT p0) p1), p1, p1, (AND (NOT p0) p1), p1, p1, p1, (AND (NOT p0) p1), p1]
Support contains 5 out of 124 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 124/124 places, 146/146 transitions.
Applied a total of 0 rules in 6 ms. Remains 124 /124 variables (removed 0) and now considering 146/146 (removed 0) transitions.
[2025-05-30 23:35:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:28] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-05-30 23:35:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:29] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 128 ms to find 0 implicit places.
Running 145 sub problems to find dead transitions.
[2025-05-30 23:35:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:30] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:30] [INFO ] Deduced a trap composed of 14 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:30] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:30] [INFO ] Deduced a trap composed of 25 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:30] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:30] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:30] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:30] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:30] [INFO ] Deduced a trap composed of 29 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:30] [INFO ] Deduced a trap composed of 29 places in 48 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:30] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:30] [INFO ] Deduced a trap composed of 31 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:30] [INFO ] Deduced a trap composed of 38 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:31] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:31] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:31] [INFO ] Deduced a trap composed of 39 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:31] [INFO ] Deduced a trap composed of 30 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:31] [INFO ] Deduced a trap composed of 32 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:31] [INFO ] Deduced a trap composed of 32 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:31] [INFO ] Deduced a trap composed of 38 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:31] [INFO ] Deduced a trap composed of 5 places in 48 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:32] [INFO ] Deduced a trap composed of 32 places in 46 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/124 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/124 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 6 (OVERLAPS) 146/270 variables, 124/153 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:34] [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
[2025-05-30 23:35:34] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 9 (OVERLAPS) 0/270 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 145 unsolved
No progress, stopping.
After SMT solving in domain Real declared 270/270 variables, and 155 constraints, problems are : Problem set: 0 solved, 145 unsolved in 9567 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 124/124 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 4 (OVERLAPS) 146/270 variables, 124/153 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 145/298 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:39] [INFO ] Deduced a trap composed of 33 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:39] [INFO ] Deduced a trap composed of 38 places in 34 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 2/300 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:41] [INFO ] Deduced a trap composed of 31 places in 43 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/301 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 2/303 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:45] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:46] [INFO ] Deduced a trap along path composed of 14 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:47] [INFO ] Deduced a trap along path composed of 7 places in 29 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 3/306 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:52] [INFO ] Deduced a trap along path composed of 2 places in 24 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/270 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:08] [INFO ] Deduced a trap along path composed of 2 places in 17 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 270/270 variables, and 308 constraints, problems are : Problem set: 0 solved, 145 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 124/124 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 39593ms problems are : Problem set: 0 solved, 145 unsolved
Search for dead transitions found 0 dead transitions in 39593ms
Finished structural reductions in LTL mode , in 1 iterations and 39728 ms. Remains : 124/124 places, 146/146 transitions.
Computed a total of 28 stabilizing places and 28 stable transitions
Computed a total of 28 stabilizing places and 28 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 127 ms. Reduced automaton from 16 states, 22 edges and 2 AP (stutter sensitive) to 16 states, 22 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 519 ms :[p1, (AND (NOT p0) p1), p1, p1, p1, p1, true, (AND (NOT p0) p1), p1, p1, (AND (NOT p0) p1), p1, p1, p1, (AND (NOT p0) p1), p1]
RANDOM walk for 27076 steps (13 resets) in 58 ms. (458 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F (NOT (OR p0 (NOT p1)))), (F p1), (F p0)]
Knowledge based reduction with 3 factoid took 178 ms. Reduced automaton from 16 states, 22 edges and 2 AP (stutter sensitive) to 16 states, 22 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 582 ms :[p1, (AND (NOT p0) p1), p1, p1, p1, p1, true, (AND (NOT p0) p1), p1, p1, (AND (NOT p0) p1), p1, p1, p1, (AND (NOT p0) p1), p1]
Stuttering acceptance computed with spot in 537 ms :[p1, (AND (NOT p0) p1), p1, p1, p1, p1, true, (AND (NOT p0) p1), p1, p1, (AND (NOT p0) p1), p1, p1, p1, (AND (NOT p0) p1), p1]
Stuttering acceptance computed with spot in 538 ms :[p1, (AND (NOT p0) p1), p1, p1, p1, p1, true, (AND (NOT p0) p1), p1, p1, (AND (NOT p0) p1), p1, p1, p1, (AND (NOT p0) p1), p1]
Product exploration explored 100000 steps with 18200 reset in 79 ms.
Product exploration explored 100000 steps with 18191 reset in 81 ms.
Applying partial POR strategy [false, false, false, false, false, true, true, false, false, false, false, false, false, false, false, false]
Stuttering acceptance computed with spot in 548 ms :[p1, (AND (NOT p0) p1), p1, p1, p1, p1, true, (AND (NOT p0) p1), p1, p1, (AND (NOT p0) p1), p1, p1, p1, (AND (NOT p0) p1), p1]
Support contains 5 out of 124 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 124/124 places, 146/146 transitions.
Graph (trivial) has 113 edges and 124 vertex of which 4 / 124 are part of one of the 2 SCC in 2 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 48 rules applied. Total rules applied 49 place count 122 transition count 144
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 56 place count 122 transition count 137
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 56 place count 122 transition count 137
Deduced a syphon composed of 59 places in 0 ms
Iterating global reduction 2 with 11 rules applied. Total rules applied 67 place count 122 transition count 137
Discarding 41 places :
Symmetric choice reduction at 2 with 41 rule applications. Total rules 108 place count 81 transition count 96
Deduced a syphon composed of 19 places in 0 ms
Iterating global reduction 2 with 41 rules applied. Total rules applied 149 place count 81 transition count 96
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 48 places in 0 ms
Iterating global reduction 2 with 29 rules applied. Total rules applied 178 place count 81 transition count 99
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 180 place count 81 transition count 97
Discarding 24 places :
Symmetric choice reduction at 3 with 24 rule applications. Total rules 204 place count 57 transition count 71
Deduced a syphon composed of 27 places in 0 ms
Iterating global reduction 3 with 24 rules applied. Total rules applied 228 place count 57 transition count 71
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 232 place count 57 transition count 67
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 234 place count 55 transition count 65
Deduced a syphon composed of 25 places in 1 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 236 place count 55 transition count 65
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 26 places in 0 ms
Iterating global reduction 4 with 1 rules applied. Total rules applied 237 place count 55 transition count 65
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 239 place count 53 transition count 63
Deduced a syphon composed of 24 places in 0 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 241 place count 53 transition count 63
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 28 places in 0 ms
Iterating global reduction 4 with 4 rules applied. Total rules applied 245 place count 53 transition count 81
Deduced a syphon composed of 28 places in 1 ms
Applied a total of 245 rules in 31 ms. Remains 53 /124 variables (removed 71) and now considering 81/146 (removed 65) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 23:36:12] [INFO ] Redundant transitions in 1 ms returned []
Running 80 sub problems to find dead transitions.
// Phase 1: matrix 81 rows 53 cols
[2025-05-30 23:36:12] [INFO ] Computed 6 invariants in 1 ms
[2025-05-30 23:36:12] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (OVERLAPS) 1/53 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:12] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:12] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:12] [INFO ] Deduced a trap composed of 4 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:12] [INFO ] Deduced a trap composed of 5 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:12] [INFO ] Deduced a trap composed of 5 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:12] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:12] [INFO ] Deduced a trap composed of 7 places in 24 ms of which 1 ms to minimize.
Problem TDEAD6 is UNSAT
Problem TDEAD8 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:12] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 2 ms to minimize.
Problem TDEAD9 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:12] [INFO ] Deduced a trap composed of 4 places in 20 ms of which 2 ms to minimize.
Problem TDEAD11 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:12] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 2 ms to minimize.
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD80 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 10/16 constraints. Problems are: Problem set: 27 solved, 53 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 0/16 constraints. Problems are: Problem set: 27 solved, 53 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
At refinement iteration 4 (OVERLAPS) 80/133 variables, 53/69 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 9/78 constraints. Problems are: Problem set: 39 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:13] [INFO ] Deduced a trap composed of 8 places in 39 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 1/79 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/133 variables, 0/79 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 8 (OVERLAPS) 1/134 variables, 1/80 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/134 variables, 0/80 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 10 (OVERLAPS) 0/134 variables, 0/80 constraints. Problems are: Problem set: 39 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 80 constraints, problems are : Problem set: 39 solved, 41 unsolved in 1532 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 53/53 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 39 solved, 41 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 29/53 variables, 6/6 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 11/17 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 0/17 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 4 (OVERLAPS) 80/133 variables, 53/70 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 9/79 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 41/120 constraints. Problems are: Problem set: 39 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:14] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/133 variables, 1/121 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/133 variables, 0/121 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 9 (OVERLAPS) 1/134 variables, 1/122 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/134 variables, 0/122 constraints. Problems are: Problem set: 39 solved, 41 unsolved
At refinement iteration 11 (OVERLAPS) 0/134 variables, 0/122 constraints. Problems are: Problem set: 39 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 122 constraints, problems are : Problem set: 39 solved, 41 unsolved in 2939 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 53/53 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 41/80 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4498ms problems are : Problem set: 39 solved, 41 unsolved
Search for dead transitions found 39 dead transitions in 4499ms
Found 39 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 39 transitions
Dead transitions reduction (with SMT) removed 39 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 53/124 places, 42/146 transitions.
Graph (complete) has 142 edges and 53 vertex of which 25 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.1 ms
Discarding 28 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 8 ms. Remains 25 /53 variables (removed 28) and now considering 42/42 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 25/124 places, 42/146 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4560 ms. Remains : 25/124 places, 42/146 transitions.
Built C files in :
/tmp/ltsmin17805037844668309936
[2025-05-30 23:36:16] [INFO ] Built C files in 11ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17805037844668309936
Running compilation step : cd /tmp/ltsmin17805037844668309936;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 410 ms.
Running link step : cd /tmp/ltsmin17805037844668309936;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 42 ms.
Running LTSmin : cd /tmp/ltsmin17805037844668309936;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased398385897357924494.hoa' '--buchi-type=spotba'
LTSmin run took 5476 ms.
FORMULA AutonomousCar-PT-02b-LTLFireability-06 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutonomousCar-PT-02b-LTLFireability-06 finished in 96001 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&&F(p1))) U (G(!p1)||X(p2))))'
Support contains 3 out of 128 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 128/128 places, 166/166 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 125 transition count 163
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 125 transition count 163
Applied a total of 6 rules in 6 ms. Remains 125 /128 variables (removed 3) and now considering 163/166 (removed 3) transitions.
// Phase 1: matrix 163 rows 125 cols
[2025-05-30 23:36:22] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:36:22] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-05-30 23:36:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:36:22] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
Running 162 sub problems to find dead transitions.
[2025-05-30 23:36:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 1 (OVERLAPS) 1/125 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:23] [INFO ] Deduced a trap composed of 14 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:23] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:24] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:24] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:24] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:24] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:24] [INFO ] Deduced a trap composed of 32 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:24] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:24] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:24] [INFO ] Deduced a trap composed of 29 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:24] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:24] [INFO ] Deduced a trap composed of 31 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:24] [INFO ] Deduced a trap composed of 29 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:24] [INFO ] Deduced a trap composed of 38 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:24] [INFO ] Deduced a trap composed of 6 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:25] [INFO ] Deduced a trap composed of 8 places in 46 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 16/23 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:25] [INFO ] Deduced a trap composed of 39 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:25] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:25] [INFO ] Deduced a trap composed of 30 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:25] [INFO ] Deduced a trap composed of 31 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:25] [INFO ] Deduced a trap composed of 31 places in 53 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:25] [INFO ] Deduced a trap composed of 38 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:25] [INFO ] Deduced a trap composed of 32 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:25] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 8/31 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 5 (OVERLAPS) 163/288 variables, 125/156 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:27] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:28] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 2/158 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/288 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 8 (OVERLAPS) 0/288 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 162 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 158 constraints, problems are : Problem set: 0 solved, 162 unsolved in 10015 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 125/125 constraints, PredecessorRefiner: 162/162 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 1 (OVERLAPS) 1/125 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 4 (OVERLAPS) 163/288 variables, 125/156 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 162/318 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:33] [INFO ] Deduced a trap composed of 33 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:34] [INFO ] Deduced a trap composed of 25 places in 57 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 2/320 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/288 variables, 2/322 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:39] [INFO ] Deduced a trap along path composed of 4 places in 54 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:39] [INFO ] Deduced a trap along path composed of 2 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:39] [INFO ] Deduced a trap along path composed of 11 places in 38 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/288 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:47] [INFO ] Deduced a trap along path composed of 7 places in 49 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/288 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:57] [INFO ] Deduced a trap along path composed of 2 places in 20 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/288 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 288/288 variables, and 327 constraints, problems are : Problem set: 0 solved, 162 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 125/125 constraints, PredecessorRefiner: 162/162 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 40057ms problems are : Problem set: 0 solved, 162 unsolved
Search for dead transitions found 0 dead transitions in 40057ms
Starting structural reductions in LTL mode, iteration 1 : 125/128 places, 163/166 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40200 ms. Remains : 125/128 places, 163/166 transitions.
Stuttering acceptance computed with spot in 316 ms :[(AND p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2)), (AND p1 (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p1)), (AND p1 (NOT p0)), (NOT p1)]
Running random walk in product with property : AutonomousCar-PT-02b-LTLFireability-07
Product exploration explored 100000 steps with 50000 reset in 86 ms.
Product exploration explored 100000 steps with 50000 reset in 89 ms.
Computed a total of 28 stabilizing places and 28 stable transitions
Computed a total of 28 stabilizing places and 28 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) p2), (X p2), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p1) p0 (NOT p2)))), (X (NOT (AND p1 (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X (NOT p0))), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 22 factoid took 22 ms. Reduced automaton from 7 states, 16 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutonomousCar-PT-02b-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutonomousCar-PT-02b-LTLFireability-07 finished in 40744 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 128 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 128/128 places, 166/166 transitions.
Graph (trivial) has 119 edges and 128 vertex of which 4 / 128 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 0 with 48 rules applied. Total rules applied 49 place count 125 transition count 115
Reduce places removed 48 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 1 with 65 rules applied. Total rules applied 114 place count 77 transition count 98
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 124 place count 67 transition count 98
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 124 place count 67 transition count 90
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 140 place count 59 transition count 90
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 144 place count 55 transition count 86
Iterating global reduction 3 with 4 rules applied. Total rules applied 148 place count 55 transition count 86
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 3 with 16 rules applied. Total rules applied 164 place count 55 transition count 70
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 164 place count 55 transition count 69
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 166 place count 54 transition count 69
Performed 21 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 4 with 42 rules applied. Total rules applied 208 place count 33 transition count 47
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 209 place count 33 transition count 46
Discarding 5 places :
Symmetric choice reduction at 5 with 5 rule applications. Total rules 214 place count 28 transition count 35
Iterating global reduction 5 with 5 rules applied. Total rules applied 219 place count 28 transition count 35
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 221 place count 28 transition count 33
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 225 place count 26 transition count 31
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 229 place count 24 transition count 37
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 231 place count 22 transition count 35
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 232 place count 21 transition count 35
Applied a total of 232 rules in 20 ms. Remains 21 /128 variables (removed 107) and now considering 35/166 (removed 131) transitions.
// Phase 1: matrix 35 rows 21 cols
[2025-05-30 23:37:03] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:37:03] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-05-30 23:37:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:37:03] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-05-30 23:37:03] [INFO ] Implicit Places using invariants and state equation in 39 ms returned [17, 20]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 66 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/128 places, 35/166 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 17 transition count 33
Applied a total of 4 rules in 2 ms. Remains 17 /19 variables (removed 2) and now considering 33/35 (removed 2) transitions.
// Phase 1: matrix 33 rows 17 cols
[2025-05-30 23:37:03] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:37:03] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-05-30 23:37:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:37:03] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-30 23:37:03] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 17/128 places, 33/166 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 150 ms. Remains : 17/128 places, 33/166 transitions.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : AutonomousCar-PT-02b-LTLFireability-09
Product exploration explored 100000 steps with 50000 reset in 58 ms.
Product exploration explored 100000 steps with 50000 reset in 63 ms.
Computed a total of 4 stabilizing places and 5 stable transitions
Computed a total of 4 stabilizing places and 5 stable transitions
Detected a total of 4/17 stabilizing places and 5/33 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X p0), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 19 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutonomousCar-PT-02b-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutonomousCar-PT-02b-LTLFireability-09 finished in 347 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||X((p1||X((p2||X(p3))))))))'
Support contains 3 out of 128 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 128/128 places, 166/166 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 125 transition count 163
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 125 transition count 163
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 22 place count 125 transition count 147
Applied a total of 22 rules in 7 ms. Remains 125 /128 variables (removed 3) and now considering 147/166 (removed 19) transitions.
// Phase 1: matrix 147 rows 125 cols
[2025-05-30 23:37:03] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:37:03] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-05-30 23:37:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:37:03] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 125 ms to find 0 implicit places.
Running 146 sub problems to find dead transitions.
[2025-05-30 23:37:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (OVERLAPS) 1/125 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:04] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:04] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:04] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:04] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:05] [INFO ] Deduced a trap composed of 17 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:05] [INFO ] Deduced a trap composed of 21 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:05] [INFO ] Deduced a trap composed of 32 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:05] [INFO ] Deduced a trap composed of 28 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:05] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:05] [INFO ] Deduced a trap composed of 21 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:05] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:05] [INFO ] Deduced a trap composed of 31 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:05] [INFO ] Deduced a trap composed of 31 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:05] [INFO ] Deduced a trap composed of 29 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:05] [INFO ] Deduced a trap composed of 33 places in 48 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:05] [INFO ] Deduced a trap composed of 38 places in 54 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:05] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 17/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:06] [INFO ] Deduced a trap composed of 39 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:06] [INFO ] Deduced a trap composed of 30 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:06] [INFO ] Deduced a trap composed of 29 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:06] [INFO ] Deduced a trap composed of 31 places in 57 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:06] [INFO ] Deduced a trap composed of 38 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:06] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:06] [INFO ] Deduced a trap composed of 32 places in 49 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 7/31 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (OVERLAPS) 147/272 variables, 125/156 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:08] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:08] [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
[2025-05-30 23:37:08] [INFO ] Deduced a trap along path composed of 2 places in 30 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 3/159 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 8 (OVERLAPS) 0/272 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 272/272 variables, and 159 constraints, problems are : Problem set: 0 solved, 146 unsolved in 8528 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 125/125 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (OVERLAPS) 1/125 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (OVERLAPS) 147/272 variables, 125/156 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/272 variables, 146/302 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:13] [INFO ] Deduced a trap composed of 5 places in 50 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 1/303 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 3/306 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:19] [INFO ] Deduced a trap along path composed of 2 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:19] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/272 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:37] [INFO ] Deduced a trap along path composed of 2 places in 25 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/272 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/272 variables, and 309 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 125/125 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 38555ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 38556ms
Starting structural reductions in LTL mode, iteration 1 : 125/128 places, 147/166 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 38688 ms. Remains : 125/128 places, 147/166 transitions.
Stuttering acceptance computed with spot in 204 ms :[(AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p3), true]
Running random walk in product with property : AutonomousCar-PT-02b-LTLFireability-10
Product exploration explored 100000 steps with 33290 reset in 74 ms.
Product exploration explored 100000 steps with 33339 reset in 81 ms.
Computed a total of 29 stabilizing places and 29 stable transitions
Computed a total of 29 stabilizing places and 29 stable transitions
Detected a total of 29/125 stabilizing places and 29/147 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2) p3), (X p1), (X (X (NOT p2))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 108 ms. Reduced automaton from 5 states, 6 edges and 4 AP (stutter sensitive) to 5 states, 6 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 203 ms :[(AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p3), true]
RANDOM walk for 20229 steps (8 resets) in 115 ms. (174 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2) p3), (X p1), (X (X (NOT p2))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F p2), (F p0), (F (NOT p1)), (F (NOT p3))]
Knowledge based reduction with 4 factoid took 226 ms. Reduced automaton from 5 states, 6 edges and 4 AP (stutter sensitive) to 5 states, 6 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 192 ms :[(AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p3), true]
Stuttering acceptance computed with spot in 199 ms :[(AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p3), true]
Support contains 3 out of 125 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 125/125 places, 147/147 transitions.
Applied a total of 0 rules in 7 ms. Remains 125 /125 variables (removed 0) and now considering 147/147 (removed 0) transitions.
[2025-05-30 23:37:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:37:43] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-05-30 23:37:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:37:43] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
Running 146 sub problems to find dead transitions.
[2025-05-30 23:37:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (OVERLAPS) 1/125 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:44] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:44] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 19 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 32 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 28 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 21 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 31 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 31 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 29 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 33 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 38 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:45] [INFO ] Deduced a trap composed of 14 places in 47 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 17/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:46] [INFO ] Deduced a trap composed of 39 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:46] [INFO ] Deduced a trap composed of 30 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:46] [INFO ] Deduced a trap composed of 29 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:46] [INFO ] Deduced a trap composed of 31 places in 53 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:46] [INFO ] Deduced a trap composed of 38 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:46] [INFO ] Deduced a trap composed of 32 places in 43 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:46] [INFO ] Deduced a trap composed of 32 places in 46 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 7/31 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (OVERLAPS) 147/272 variables, 125/156 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:48] [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
[2025-05-30 23:37:48] [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
[2025-05-30 23:37:48] [INFO ] Deduced a trap along path composed of 2 places in 31 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 3/159 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 8 (OVERLAPS) 0/272 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 272/272 variables, and 159 constraints, problems are : Problem set: 0 solved, 146 unsolved in 8494 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 125/125 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (OVERLAPS) 1/125 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (OVERLAPS) 147/272 variables, 125/156 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/272 variables, 146/302 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:53] [INFO ] Deduced a trap composed of 5 places in 53 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 1/303 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 3/306 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:59] [INFO ] Deduced a trap along path composed of 2 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:37:59] [INFO ] Deduced a trap along path composed of 7 places in 27 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/272 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:17] [INFO ] Deduced a trap along path composed of 2 places in 29 ms of which 0 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/272 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/272 variables, and 309 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 125/125 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 38532ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 38532ms
Finished structural reductions in LTL mode , in 1 iterations and 38650 ms. Remains : 125/125 places, 147/147 transitions.
Computed a total of 29 stabilizing places and 29 stable transitions
Computed a total of 29 stabilizing places and 29 stable transitions
Detected a total of 29/125 stabilizing places and 29/147 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2) p3), (X p1), (X (X (NOT p2))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 94 ms. Reduced automaton from 5 states, 6 edges and 4 AP (stutter sensitive) to 5 states, 6 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 168 ms :[(AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p3), true]
RANDOM walk for 36999 steps (17 resets) in 105 ms. (349 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2) p3), (X p1), (X (X (NOT p2))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F p2), (F p0), (F (NOT p1)), (F (NOT p3))]
Knowledge based reduction with 4 factoid took 224 ms. Reduced automaton from 5 states, 6 edges and 4 AP (stutter sensitive) to 5 states, 6 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 193 ms :[(AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p3), true]
Stuttering acceptance computed with spot in 193 ms :[(AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p3), true]
Stuttering acceptance computed with spot in 199 ms :[(AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p3), true]
Product exploration explored 100000 steps with 33397 reset in 72 ms.
Product exploration explored 100000 steps with 33299 reset in 78 ms.
Applying partial POR strategy [false, false, false, true, true]
Stuttering acceptance computed with spot in 172 ms :[(AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p3), true]
Support contains 3 out of 125 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 125/125 places, 147/147 transitions.
Graph (trivial) has 112 edges and 125 vertex of which 4 / 125 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 45 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 45 rules applied. Total rules applied 46 place count 123 transition count 145
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 52 place count 123 transition count 139
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 52 place count 123 transition count 139
Deduced a syphon composed of 55 places in 0 ms
Iterating global reduction 2 with 10 rules applied. Total rules applied 62 place count 123 transition count 139
Discarding 37 places :
Symmetric choice reduction at 2 with 37 rule applications. Total rules 99 place count 86 transition count 102
Deduced a syphon composed of 19 places in 0 ms
Iterating global reduction 2 with 37 rules applied. Total rules applied 136 place count 86 transition count 102
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 136 place count 86 transition count 103
Deduced a syphon composed of 20 places in 1 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 137 place count 86 transition count 103
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 49 places in 0 ms
Iterating global reduction 2 with 29 rules applied. Total rules applied 166 place count 86 transition count 106
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 168 place count 86 transition count 104
Discarding 25 places :
Symmetric choice reduction at 3 with 25 rule applications. Total rules 193 place count 61 transition count 73
Deduced a syphon composed of 29 places in 0 ms
Iterating global reduction 3 with 25 rules applied. Total rules applied 218 place count 61 transition count 73
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 222 place count 61 transition count 69
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 224 place count 59 transition count 67
Deduced a syphon composed of 27 places in 0 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 226 place count 59 transition count 67
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 28 places in 0 ms
Iterating global reduction 4 with 1 rules applied. Total rules applied 227 place count 59 transition count 67
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 229 place count 57 transition count 65
Deduced a syphon composed of 26 places in 0 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 231 place count 57 transition count 65
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -22
Deduced a syphon composed of 31 places in 0 ms
Iterating global reduction 4 with 5 rules applied. Total rules applied 236 place count 57 transition count 87
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 237 place count 56 transition count 85
Deduced a syphon composed of 30 places in 0 ms
Iterating global reduction 4 with 1 rules applied. Total rules applied 238 place count 56 transition count 85
Deduced a syphon composed of 30 places in 0 ms
Applied a total of 238 rules in 28 ms. Remains 56 /125 variables (removed 69) and now considering 85/147 (removed 62) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 23:38:24] [INFO ] Redundant transitions in 2 ms returned []
Running 84 sub problems to find dead transitions.
// Phase 1: matrix 85 rows 56 cols
[2025-05-30 23:38:24] [INFO ] Computed 6 invariants in 0 ms
[2025-05-30 23:38:24] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:24] [INFO ] Deduced a trap composed of 4 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:24] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:24] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:24] [INFO ] Deduced a trap composed of 4 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:24] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:24] [INFO ] Deduced a trap composed of 6 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:24] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:24] [INFO ] Deduced a trap composed of 7 places in 22 ms of which 2 ms to minimize.
Problem TDEAD11 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:24] [INFO ] Deduced a trap composed of 7 places in 21 ms of which 2 ms to minimize.
Problem TDEAD13 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:24] [INFO ] Deduced a trap composed of 4 places in 27 ms of which 2 ms to minimize.
Problem TDEAD15 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:24] [INFO ] Deduced a trap composed of 2 places in 29 ms of which 2 ms to minimize.
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD77 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD84 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 11/17 constraints. Problems are: Problem set: 30 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 0/17 constraints. Problems are: Problem set: 30 solved, 54 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD71 is UNSAT
Problem TDEAD72 is UNSAT
At refinement iteration 4 (OVERLAPS) 84/140 variables, 56/73 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 23/96 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 0/96 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 7 (OVERLAPS) 1/141 variables, 1/97 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/97 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 9 (OVERLAPS) 0/141 variables, 0/97 constraints. Problems are: Problem set: 45 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 141/141 variables, and 97 constraints, problems are : Problem set: 45 solved, 39 unsolved in 1658 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 56/56 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 84/84 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 45 solved, 39 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 31/56 variables, 6/6 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 11/17 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 0/17 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 84/140 variables, 56/73 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 23/96 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 39/135 constraints. Problems are: Problem set: 45 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:26] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/140 variables, 1/136 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/140 variables, 0/136 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 9 (OVERLAPS) 1/141 variables, 1/137 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/141 variables, 0/137 constraints. Problems are: Problem set: 45 solved, 39 unsolved
At refinement iteration 11 (OVERLAPS) 0/141 variables, 0/137 constraints. Problems are: Problem set: 45 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 141/141 variables, and 137 constraints, problems are : Problem set: 45 solved, 39 unsolved in 4113 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 56/56 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 39/84 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5785ms problems are : Problem set: 45 solved, 39 unsolved
Search for dead transitions found 45 dead transitions in 5785ms
Found 45 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 45 transitions
Dead transitions reduction (with SMT) removed 45 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 56/125 places, 40/147 transitions.
Graph (complete) has 128 edges and 56 vertex of which 26 are kept as prefixes of interest. Removing 30 places using SCC suffix rule.0 ms
Discarding 30 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 6 ms. Remains 26 /56 variables (removed 30) and now considering 40/40 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 26/125 places, 40/147 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 5828 ms. Remains : 26/125 places, 40/147 transitions.
Built C files in :
/tmp/ltsmin11672113197542565394
[2025-05-30 23:38:29] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11672113197542565394
Running compilation step : cd /tmp/ltsmin11672113197542565394;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 218 ms.
Running link step : cd /tmp/ltsmin11672113197542565394;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin11672113197542565394;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased10958617536876974478.hoa' '--buchi-type=spotba'
LTSmin run took 2943 ms.
FORMULA AutonomousCar-PT-02b-LTLFireability-10 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutonomousCar-PT-02b-LTLFireability-10 finished in 89382 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(((X(X(!p0))&&F(!p1))||G(!p0)))))'
Support contains 5 out of 128 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 128/128 places, 166/166 transitions.
Graph (trivial) has 116 edges and 128 vertex of which 4 / 128 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 0 with 48 rules applied. Total rules applied 49 place count 125 transition count 115
Reduce places removed 48 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 1 with 65 rules applied. Total rules applied 114 place count 77 transition count 98
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 124 place count 67 transition count 98
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 124 place count 67 transition count 91
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 138 place count 60 transition count 91
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 142 place count 56 transition count 87
Iterating global reduction 3 with 4 rules applied. Total rules applied 146 place count 56 transition count 87
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 3 with 16 rules applied. Total rules applied 162 place count 56 transition count 71
Performed 23 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 4 with 46 rules applied. Total rules applied 208 place count 33 transition count 47
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 209 place count 33 transition count 46
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 212 place count 30 transition count 40
Iterating global reduction 5 with 3 rules applied. Total rules applied 215 place count 30 transition count 40
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 216 place count 30 transition count 39
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 220 place count 28 transition count 37
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 224 place count 26 transition count 46
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 226 place count 24 transition count 44
Applied a total of 226 rules in 14 ms. Remains 24 /128 variables (removed 104) and now considering 44/166 (removed 122) transitions.
// Phase 1: matrix 44 rows 24 cols
[2025-05-30 23:38:33] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:38:33] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-05-30 23:38:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:38:33] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 23:38:33] [INFO ] Implicit Places using invariants and state equation in 34 ms returned [20, 23]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 63 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 22/128 places, 44/166 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 20 transition count 42
Applied a total of 4 rules in 2 ms. Remains 20 /22 variables (removed 2) and now considering 42/44 (removed 2) transitions.
// Phase 1: matrix 42 rows 20 cols
[2025-05-30 23:38:33] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:38:33] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-05-30 23:38:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:38:33] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-30 23:38:33] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 20/128 places, 42/166 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 130 ms. Remains : 20/128 places, 42/166 transitions.
Stuttering acceptance computed with spot in 107 ms :[p0, (AND p1 p0), p0]
Running random walk in product with property : AutonomousCar-PT-02b-LTLFireability-11
Product exploration explored 100000 steps with 6 reset in 88 ms.
Product exploration explored 100000 steps with 19 reset in 99 ms.
Computed a total of 2 stabilizing places and 3 stable transitions
Computed a total of 2 stabilizing places and 3 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 p0))), (X (NOT (AND p1 (NOT p0)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 108 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 87 ms :[p0, (AND p0 p1), p0]
RANDOM walk for 3370 steps (351 resets) in 38 ms. (86 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 p0))), (X (NOT (AND p1 (NOT p0)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 (NOT p1)))), (F p0), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 200 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 117 ms :[p0, (AND p0 p1), p0]
Stuttering acceptance computed with spot in 126 ms :[p0, (AND p0 p1), p0]
Support contains 5 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 42/42 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 42/42 (removed 0) transitions.
[2025-05-30 23:38:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:38:34] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-05-30 23:38:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:38:34] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-30 23:38:34] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 23:38:34] [INFO ] Redundant transitions in 11 ms returned []
Running 29 sub problems to find dead transitions.
[2025-05-30 23:38:34] [INFO ] Invariant cache hit.
[2025-05-30 23:38:34] [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) 0/19 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (OVERLAPS) 1/20 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (OVERLAPS) 41/61 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (OVERLAPS) 1/62 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/62 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (OVERLAPS) 0/62 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Real declared 62/62 variables, and 25 constraints, problems are : Problem set: 0 solved, 29 unsolved in 378 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (OVERLAPS) 1/20 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (OVERLAPS) 41/61 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 29/53 constraints. Problems are: Problem set: 0 solved, 29 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:34] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:34] [INFO ] Deduced a trap along path composed of 2 places in 14 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 2/55 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/61 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (OVERLAPS) 1/62 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/62 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 10 (OVERLAPS) 0/62 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Int declared 62/62 variables, and 56 constraints, problems are : Problem set: 0 solved, 29 unsolved in 1020 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 1411ms problems are : Problem set: 0 solved, 29 unsolved
Search for dead transitions found 0 dead transitions in 1411ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1490 ms. Remains : 20/20 places, 42/42 transitions.
Computed a total of 2 stabilizing places and 3 stable transitions
Computed a total of 2 stabilizing places and 3 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 99 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 105 ms :[p0, (AND p0 p1), p0]
RANDOM walk for 2291 steps (247 resets) in 14 ms. (152 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 (NOT p1)))), (F p0), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 238 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 120 ms :[p0, (AND p0 p1), p0]
Stuttering acceptance computed with spot in 111 ms :[p0, (AND p0 p1), p0]
Stuttering acceptance computed with spot in 101 ms :[p0, (AND p0 p1), p0]
Product exploration explored 100000 steps with 30 reset in 50 ms.
Product exploration explored 100000 steps with 8 reset in 105 ms.
Built C files in :
/tmp/ltsmin16920407478754219968
[2025-05-30 23:38:36] [INFO ] Computing symmetric may disable matrix : 42 transitions.
[2025-05-30 23:38:36] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 23:38:36] [INFO ] Computing symmetric may enable matrix : 42 transitions.
[2025-05-30 23:38:36] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 23:38:36] [INFO ] Computing Do-Not-Accords matrix : 42 transitions.
[2025-05-30 23:38:36] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 23:38:36] [INFO ] Built C files in 20ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16920407478754219968
Running compilation step : cd /tmp/ltsmin16920407478754219968;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 136 ms.
Running link step : cd /tmp/ltsmin16920407478754219968;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin16920407478754219968;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased17863222553275809612.hoa' '--buchi-type=spotba'
LTSmin run took 58 ms.
FORMULA AutonomousCar-PT-02b-LTLFireability-11 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property AutonomousCar-PT-02b-LTLFireability-11 finished in 3834 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))))'
Support contains 4 out of 128 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 128/128 places, 166/166 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 125 transition count 163
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 125 transition count 163
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 22 place count 125 transition count 147
Applied a total of 22 rules in 3 ms. Remains 125 /128 variables (removed 3) and now considering 147/166 (removed 19) transitions.
// Phase 1: matrix 147 rows 125 cols
[2025-05-30 23:38:36] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:38:36] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-05-30 23:38:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:38:37] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Running 146 sub problems to find dead transitions.
[2025-05-30 23:38:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (OVERLAPS) 1/125 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 32 places in 38 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 20 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 21 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 29 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 29 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 31 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 31 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 32 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 33 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:38] [INFO ] Deduced a trap composed of 38 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:39] [INFO ] Deduced a trap composed of 5 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:39] [INFO ] Deduced a trap composed of 14 places in 43 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 19/26 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:39] [INFO ] Deduced a trap composed of 39 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:39] [INFO ] Deduced a trap composed of 23 places in 55 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:40] [INFO ] Deduced a trap composed of 30 places in 66 ms of which 19 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/125 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/272 variables, 125/154 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:42] [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
[2025-05-30 23:38:42] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 2/156 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (OVERLAPS) 0/272 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 272/272 variables, and 156 constraints, problems are : Problem set: 0 solved, 146 unsolved in 9633 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 125/125 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (OVERLAPS) 1/125 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (OVERLAPS) 147/272 variables, 125/154 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/272 variables, 146/300 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:47] [INFO ] Deduced a trap composed of 33 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:48] [INFO ] Deduced a trap composed of 34 places in 36 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 2/302 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 2/304 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:53] [INFO ] Deduced a trap along path composed of 2 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:53] [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
[2025-05-30 23:38:53] [INFO ] Deduced a trap along path composed of 2 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:54] [INFO ] Deduced a trap along path composed of 14 places in 26 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 4/308 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:38:57] [INFO ] Deduced a trap composed of 39 places in 38 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/272 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/272 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:14] [INFO ] Deduced a trap along path composed of 7 places in 23 ms of which 1 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/272 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/272 variables, and 310 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 125/125 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 39670ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 39670ms
Starting structural reductions in LTL mode, iteration 1 : 125/128 places, 147/166 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 39786 ms. Remains : 125/128 places, 147/166 transitions.
Stuttering acceptance computed with spot in 167 ms :[p1, p1, p1, true, (NOT p0)]
Running random walk in product with property : AutonomousCar-PT-02b-LTLFireability-12
Product exploration explored 100000 steps with 33333 reset in 66 ms.
Product exploration explored 100000 steps with 33333 reset in 70 ms.
Computed a total of 28 stabilizing places and 28 stable transitions
Computed a total of 28 stabilizing places and 28 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 15 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutonomousCar-PT-02b-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutonomousCar-PT-02b-LTLFireability-12 finished in 40120 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 128 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 128/128 places, 166/166 transitions.
Graph (trivial) has 118 edges and 128 vertex of which 4 / 128 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 0 with 48 rules applied. Total rules applied 49 place count 125 transition count 115
Reduce places removed 48 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 1 with 65 rules applied. Total rules applied 114 place count 77 transition count 98
Reduce places removed 10 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 11 rules applied. Total rules applied 125 place count 67 transition count 97
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 126 place count 66 transition count 97
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 7 Pre rules applied. Total rules applied 126 place count 66 transition count 90
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 140 place count 59 transition count 90
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 144 place count 55 transition count 86
Iterating global reduction 4 with 4 rules applied. Total rules applied 148 place count 55 transition count 86
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 4 with 16 rules applied. Total rules applied 164 place count 55 transition count 70
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 164 place count 55 transition count 69
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 166 place count 54 transition count 69
Performed 23 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 5 with 46 rules applied. Total rules applied 212 place count 31 transition count 45
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 213 place count 31 transition count 44
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 218 place count 26 transition count 33
Iterating global reduction 6 with 5 rules applied. Total rules applied 223 place count 26 transition count 33
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 225 place count 26 transition count 31
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 227 place count 25 transition count 30
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 231 place count 23 transition count 36
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 233 place count 21 transition count 34
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 234 place count 20 transition count 34
Applied a total of 234 rules in 14 ms. Remains 20 /128 variables (removed 108) and now considering 34/166 (removed 132) transitions.
// Phase 1: matrix 34 rows 20 cols
[2025-05-30 23:39:17] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:39:17] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-05-30 23:39:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:39:17] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 23:39:17] [INFO ] Implicit Places using invariants and state equation in 30 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 64 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 18/128 places, 34/166 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 18 transition count 33
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 17 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 16 transition count 32
Applied a total of 4 rules in 1 ms. Remains 16 /18 variables (removed 2) and now considering 32/34 (removed 2) transitions.
// Phase 1: matrix 32 rows 16 cols
[2025-05-30 23:39:17] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:39:17] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-05-30 23:39:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:39:17] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-30 23:39:17] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 16/128 places, 32/166 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 139 ms. Remains : 16/128 places, 32/166 transitions.
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Running random walk in product with property : AutonomousCar-PT-02b-LTLFireability-13
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-02b-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-02b-LTLFireability-13 finished in 177 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&&F(p1)))))'
Support contains 1 out of 128 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 128/128 places, 166/166 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 124 transition count 162
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 124 transition count 162
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 24 place count 124 transition count 146
Applied a total of 24 rules in 2 ms. Remains 124 /128 variables (removed 4) and now considering 146/166 (removed 20) transitions.
// Phase 1: matrix 146 rows 124 cols
[2025-05-30 23:39:17] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:39:17] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-30 23:39:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:39:17] [INFO ] Implicit Places using invariants and state equation in 80 ms returned []
Implicit Place search using SMT with State Equation took 123 ms to find 0 implicit places.
Running 145 sub problems to find dead transitions.
[2025-05-30 23:39:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:18] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:18] [INFO ] Deduced a trap composed of 14 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:18] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:18] [INFO ] Deduced a trap composed of 25 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:18] [INFO ] Deduced a trap composed of 25 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:18] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:18] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:18] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:18] [INFO ] Deduced a trap composed of 29 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:18] [INFO ] Deduced a trap composed of 29 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:18] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:18] [INFO ] Deduced a trap composed of 31 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:19] [INFO ] Deduced a trap composed of 38 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:19] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:19] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:19] [INFO ] Deduced a trap composed of 39 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:19] [INFO ] Deduced a trap composed of 30 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:19] [INFO ] Deduced a trap composed of 32 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:19] [INFO ] Deduced a trap composed of 32 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:19] [INFO ] Deduced a trap composed of 38 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:19] [INFO ] Deduced a trap composed of 5 places in 41 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:20] [INFO ] Deduced a trap composed of 32 places in 48 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/124 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/124 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 6 (OVERLAPS) 146/270 variables, 124/153 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:22] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:22] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 9 (OVERLAPS) 0/270 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 145 unsolved
No progress, stopping.
After SMT solving in domain Real declared 270/270 variables, and 155 constraints, problems are : Problem set: 0 solved, 145 unsolved in 9327 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 124/124 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 4 (OVERLAPS) 146/270 variables, 124/153 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 145/298 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:27] [INFO ] Deduced a trap composed of 33 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:27] [INFO ] Deduced a trap composed of 38 places in 34 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 2/300 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:29] [INFO ] Deduced a trap composed of 31 places in 37 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/301 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 2/303 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:33] [INFO ] Deduced a trap along path composed of 3 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:33] [INFO ] Deduced a trap along path composed of 14 places in 37 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:35] [INFO ] Deduced a trap along path composed of 7 places in 20 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 3/306 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:39] [INFO ] Deduced a trap along path composed of 2 places in 20 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/270 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:39:55] [INFO ] Deduced a trap along path composed of 2 places in 19 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 270/270 variables, and 308 constraints, problems are : Problem set: 0 solved, 145 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 124/124 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 39352ms problems are : Problem set: 0 solved, 145 unsolved
Search for dead transitions found 0 dead transitions in 39352ms
Starting structural reductions in LTL mode, iteration 1 : 124/128 places, 146/166 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 39477 ms. Remains : 124/128 places, 146/166 transitions.
Stuttering acceptance computed with spot in 110 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : AutonomousCar-PT-02b-LTLFireability-14
Stuttering criterion allowed to conclude after 39 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-02b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-02b-LTLFireability-14 finished in 39598 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 128 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 128/128 places, 166/166 transitions.
Graph (trivial) has 118 edges and 128 vertex of which 4 / 128 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 46 transitions
Trivial Post-agglo rules discarded 46 transitions
Performed 46 trivial Post agglomeration. Transition count delta: 46
Iterating post reduction 0 with 46 rules applied. Total rules applied 47 place count 125 transition count 117
Reduce places removed 46 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 1 with 63 rules applied. Total rules applied 110 place count 79 transition count 100
Reduce places removed 10 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 11 rules applied. Total rules applied 121 place count 69 transition count 99
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 122 place count 68 transition count 99
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 8 Pre rules applied. Total rules applied 122 place count 68 transition count 91
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 4 with 16 rules applied. Total rules applied 138 place count 60 transition count 91
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 142 place count 56 transition count 87
Iterating global reduction 4 with 4 rules applied. Total rules applied 146 place count 56 transition count 87
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 4 with 16 rules applied. Total rules applied 162 place count 56 transition count 71
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 162 place count 56 transition count 70
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 164 place count 55 transition count 70
Performed 22 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 5 with 44 rules applied. Total rules applied 208 place count 33 transition count 47
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 209 place count 33 transition count 46
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 214 place count 28 transition count 35
Iterating global reduction 6 with 5 rules applied. Total rules applied 219 place count 28 transition count 35
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 221 place count 28 transition count 33
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 225 place count 26 transition count 31
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 229 place count 24 transition count 37
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 231 place count 22 transition count 35
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 232 place count 21 transition count 35
Applied a total of 232 rules in 21 ms. Remains 21 /128 variables (removed 107) and now considering 35/166 (removed 131) transitions.
// Phase 1: matrix 35 rows 21 cols
[2025-05-30 23:39:56] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:39:56] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-05-30 23:39:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:39:56] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-05-30 23:39:56] [INFO ] Implicit Places using invariants and state equation in 39 ms returned [17, 20]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 78 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/128 places, 35/166 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 17 transition count 33
Applied a total of 4 rules in 1 ms. Remains 17 /19 variables (removed 2) and now considering 33/35 (removed 2) transitions.
// Phase 1: matrix 33 rows 17 cols
[2025-05-30 23:39:56] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:39:56] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-05-30 23:39:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:39:56] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-30 23:39:56] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 17/128 places, 33/166 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 176 ms. Remains : 17/128 places, 33/166 transitions.
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Running random walk in product with property : AutonomousCar-PT-02b-LTLFireability-15
Product exploration explored 100000 steps with 50000 reset in 36 ms.
Product exploration explored 100000 steps with 50000 reset in 40 ms.
Computed a total of 4 stabilizing places and 5 stable transitions
Computed a total of 4 stabilizing places and 5 stable transitions
Detected a total of 4/17 stabilizing places and 5/33 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X p0), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 16 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutonomousCar-PT-02b-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutonomousCar-PT-02b-LTLFireability-15 finished in 325 ms.
All properties solved by simple procedures.
Total runtime 439280 ms.

BK_STOP 1748648397190

--------------------
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="AutonomousCar-PT-02b"
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 AutonomousCar-PT-02b, 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 r002-tall-174853729700628"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-02b.tgz
mv AutonomousCar-PT-02b 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 ;